{"id":12981,"date":"2025-06-26T03:05:02","date_gmt":"2025-06-26T03:05:02","guid":{"rendered":"https:\/\/www.mailgun.com\/state-of-email-deliverability\/chapter\/listenaufbau-pflege\/"},"modified":"2026-03-08T01:05:22","modified_gmt":"2026-03-08T01:05:22","slug":"listenaufbau-pflege","status":"publish","type":"soed-chapter","link":"https:\/\/www.mailgun.com\/de\/state-of-email-deliverability\/chapter\/listenaufbau-pflege\/","title":{"rendered":"Aufbau und Pflege von E-Mail-Listen"},"content":{"rendered":"    <section data-content-type=\"hub\"  class=\"section section-hub-py bg-body\" data-theme=\"light\">\r\n        <div class=\"container\">\r\n            <div class=\"row align-items-center justify-content-center\">\r\n                <div class=\"col-md-10 justify-content-center\">\r\n\r\n                                            <div class=\"d-flex flex-column gap-3 gap-lg-4\">\r\n\r\n                                                            <div>\r\n                                    \r\n                                    <h3 class=\"h4 mb-0\">Wichtige Erkenntnisse zum Aufbau und zur Pflege von Listen<\/h3>                                <\/div>\r\n                            \r\n                            <div class=\"content-body text-body-color\"><p>Ihre E-Mail-Liste ist ein unsch\u00e4tzbares Gut. So verbindet sich Ihr Unternehmen mit Menschen \u00fcber einen der wichtigsten Kommunikationskan\u00e4le. Viele Unternehmen k\u00e4men ohne E-Mails zum Erliegen, und rund <a href=\"https:\/\/www.mailgun.com\/blog\/email\/email-cx-key-takeaways\/\" target=\"_blank\" rel=\"noopener noreferrer\">75 % der Verbraucher bevorzugen E-Mails<\/a> f\u00fcr die gesch\u00e4ftliche Kommunikation.<\/p><p>Wichtige Verm\u00f6genswerte wie Ihre Kontaktdatenbank m\u00fcssen gesch\u00fctzt und sorgf\u00e4ltig behandelt werden. Dazu geh\u00f6rt sowohl die Art und Weise, wie Sie Ihre E-Mail-Liste aufbauen, als auch, wie Sie sie verwalten und pflegen. Wenn Ihre Liste w\u00e4chst, w\u00e4chst auch Ihr Unternehmen. Und wenn ein Unternehmen w\u00e4chst, w\u00e4chst auch seine E-Mail-Datenbank.<\/p><p>In diesem Kapitel werden wir herausfinden, ob Absender sich bewusst sind, wie wichtig der Aufbau und die Pflege von Listen f\u00fcr die E-Mail-Zustellbarkeit sind.<\/p><\/div>                        <\/div>\r\n                    \r\n                                            <div class=\"mt-6 mt-md-7 mt-lg-9\">\r\n                                                            <div>\r\n                                    \n\r\n    \r\n        <div class=\"row hub-data longform-spacings\">\r\n\r\n                            <div class=\"col-6 col-lg-6 my-2\">\r\n                    <div class=\"hub-data-item h-100 p-4 p-md-5 rounded-lg bg-light\" data-theme=\"light\">\r\n                        <div class=\"h3 counter\">40 %<\/div>\r\n                        <div class=\"content-body text-body-color\">\r\n                            <p class=\"mb-0\">der Absender verwenden ein Double-Opt-in-Verfahren, um neue Kontakte zu best\u00e4tigen.<\/p>                        <\/div>\r\n                                            <\/div>\r\n                <\/div>\r\n\r\n                            <div class=\"col-6 col-lg-6 my-2\">\r\n                    <div class=\"hub-data-item h-100 p-4 p-md-5 rounded-lg bg-light\" data-theme=\"light\">\r\n                        <div class=\"h3 counter\">9,4 %<\/div>\r\n                        <div class=\"content-body text-body-color\">\r\n                            <p class=\"mb-0\">der Absender haben in den letzten zwei Jahren eine Liste gekauft oder das Internet nach E-Mail-Adressen durchsucht.<\/p>                        <\/div>\r\n                                            <\/div>\r\n                <\/div>\r\n\r\n                            <div class=\"col-6 col-lg-6 my-2\">\r\n                    <div class=\"hub-data-item h-100 p-4 p-md-5 rounded-lg bg-light\" data-theme=\"light\">\r\n                        <div class=\"h3 counter\">39 %<\/div>\r\n                        <div class=\"content-body text-body-color\">\r\n                            <p class=\"mb-0\">der befragten Absender f\u00fchren selten oder nie eine E-Mail-Listenpflege durch.<\/p>                        <\/div>\r\n                                            <\/div>\r\n                <\/div>\r\n\r\n                            <div class=\"col-6 col-lg-6 my-2\">\r\n                    <div class=\"hub-data-item h-100 p-4 p-md-5 rounded-lg bg-light\" data-theme=\"light\">\r\n                        <div class=\"h3 counter\">47,5 %<\/div>\r\n                        <div class=\"content-body text-body-color\">\r\n                            <p class=\"mb-0\">der Absender, die der Listenpflege Priorit\u00e4t einr\u00e4umen, geben an, dass die Aufrechterhaltung der Absender-Reputation der gr\u00f6\u00dfte Vorteil ist.<\/p>                        <\/div>\r\n                                            <\/div>\r\n                <\/div>\r\n\r\n            \r\n        <\/div>\r\n\r\n\n\r\n                                <\/div>\r\n                            \r\n                        <\/div>\r\n\r\n                    \r\n                <\/div>\r\n            <\/div>\r\n        <\/div>\r\n    <\/section>\r\n\r\n\n\n    <section data-content-type=\"hub\"  class=\"section section-hub-py bg-body shadow-divider\" data-theme=\"light\">\r\n        <div class=\"container\">\r\n            <div class=\"row align-items-center justify-content-center\">\r\n                <div class=\"col-md-10 justify-content-center\">\r\n\r\n                                            <div class=\"d-flex flex-column gap-3 gap-lg-4\">\r\n\r\n                                                            <div>\r\n                                    \r\n                                    <h2 class=\"h3 mb-0\">Wie wirkt sich Ihre E-Mail-Liste auf die Zustellbarkeit aus?<\/h2>                                <\/div>\r\n                            \r\n                            <div class=\"content-body text-body-color\"><p>Warum sollten sich Postfachanbieter f\u00fcr die Datenbank interessieren, die Sie zum Senden von E-Mail-Nachrichten verwenden? Was hat Ihre Kontaktliste mit dem Erreichen des Posteingangs zu tun? Hier ist die Antwort&#8230; <b>Die Qualit\u00e4t Ihrer Liste und die Art und Weise, wie Ihre Kontakte mit Ihren E-Mails interagieren, senden Signale dar\u00fcber aus, welche Art von Absender Sie sind<\/b>.<\/p><p>Stellen Sie sich vor, ein Elternteil inspiziert das Zimmer eines Teenagers. Wenn es ein Durcheinander aus Fast-Food-Verpackungen, schmutziger W\u00e4sche und unerledigten Hausaufgaben ist, k\u00f6nnte dieser Elternteil annehmen, dass der Teenager faul und unverantwortlich ist. Vielleicht verdient dieser Teenager bestimmte Privilegien nicht.<\/p><p class=\"mb-0\">Genauso m\u00fcssen Sie, um sich das Privileg zu verdienen, die Posteing\u00e4nge zu erreichen, eine saubere Weste behalten.<\/p><\/div>                        <\/div>\r\n                    \r\n                                            <div class=\"mt-6 mt-md-7 mt-lg-9\">\r\n                                                            <div>\r\n                                    \n    <div data-content-type=\"longform\"  class=\"callout text-body-color px-5 py-6 px-md-6 px-lg-7 py-md-7 longform-spacings rounded-lg bg-light\" data-theme=\"light\">\r\n\r\n        <div class=\"content-body\"> <p><b>Best Practices f\u00fcr den Aufbau von E-Mail-Listen:<\/b><\/p><p>1. Holen Sie die ausdr\u00fcckliche Zustimmung der Kontakte ein, bevor Sie sie zu Ihrer Marketingliste hinzuf\u00fcgen.<\/p><p>2. Halten Sie das Engagement der Abonnenten hoch und die Spam-Beschwerden niedrig, um zu zeigen, dass Ihre E-Mails erw\u00fcnscht sind.<\/p><p>3. Verwenden Sie E-Mail-Validierung, um Adressen mit Tippfehlern, veraltete Kontakte und Spam-Fallen zu vermeiden.<\/p><p class=\"mb-0\">4. 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          \/\/     });\r\n            \/\/ });\r\n\r\n            \/\/ window.addEventListener('resize', function(event) {\r\n            \/\/     const chartID_block_YmxvY2tfMjBjOTA2YWE4YzJmNTM2OWE2NzQwNjk0OTRiMDU1N2Y = \"highcharts_block_YmxvY2tfMjBjOTA2YWE4YzJmNTM2OWE2NzQwNjk0OTRiMDU1N2Y\";\r\n            \/\/     chartInit_block_YmxvY2tfMjBjOTA2YWE4YzJmNTM2OWE2NzQwNjk0OTRiMDU1N2Y(chartID_block_YmxvY2tfMjBjOTA2YWE4YzJmNTM2OWE2NzQwNjk0OTRiMDU1N2Y);\r\n            \/\/ }, true);\r\n\r\n            \/\/         <\/script>\r\n\r\n\n\r\n                    <\/div>\r\n                \r\n                \r\n                <div class=\"col-md-6 col-lg-5 altblo-content order-1 order-md-1 pb-4 pb-lg-0\">\r\n\r\n\r\n                    <h3 class=\"h4 mb-0\">Warum sollte man sie sauber halten?<\/h3><div class=\"content-body mb-0 mt-3 mt-lg-4\"><p>Wenn Sie sich auf diese Dinge konzentrieren, ist es viel wahrscheinlicher, dass Postfachanbieter Sie als seri\u00f6sen Absender ansehen, der eine Platzierung im Posteingang verdient. Die Absender, die an unserer Umfrage teilgenommen haben, best\u00e4tigen dies.<\/p><p class=\"mb-0\"><b>Unter denjenigen, die der Listenpflege Priorit\u00e4t einr\u00e4umen, geben 47,5 % an, dass der gr\u00f6\u00dfte Vorteil die Aufrechterhaltung einer guten Absender-Reputation bei Postfachanbietern<\/b> wie Gmail, Yahoo Mail und Outlook ist. Bessere Engagement-Metriken (19,4 %) und weniger Spam-Beschwerden (17,8 %) erwiesen sich ebenfalls als Top-Vorteile, und auch das ist korrekt.<\/p><\/div>\r\n\r\n                <\/div>\r\n            <\/div>\r\n\r\n            \r\n        <\/div>\r\n    <\/section>\r\n\r\n\n\n    <section data-content-type=\"hub\"  class=\"section section-hub-py hub-altblock bg-body\" data-theme=\"light\">\r\n        <div class=\"container\">\r\n            <div class=\"row align-items-center\">\r\n\r\n                                    <div class=\"col-md-6 col-lg-7 order-2 order-md-1 pe-md-7 pe-lg-10\">\r\n                        \n    <div data-content-type=\"longform\" class=\"quote hub-quote longform-spacings d-flex flex-column rounded-lg px-5 py-6 px-md-6 py-md-7 p-lg-7 shadow-sm bg-primary\" data-theme=\"light\">\r\n\r\n        <div class=\"quote-logo mb-3\">\r\n                            <svg height=\"40\" class=\"quote-icon quote-icon-color\" aria-hidden=\"true\" data-url=\"https:\/\/www.mailgun.com\/wp-content\/plugins\/sinch-core\/assets\/icons\/custom-icons\/quotes-right.svg\"><\/svg>\r\n                    <\/div>\r\n\r\n        <blockquote class=\"quote-content content-body m-0 text-body-color\" id=\"quote-block-5a9cc66585cf6c266082420960022c43\">\r\n            \u201eWir vergleichen die E-Mail-Absender-Reputation oft mit der Kreditw\u00fcrdigkeit. In beiden F\u00e4llen kann ein einziger kostspieliger Fehler Ihre Kreditw\u00fcrdigkeit oder Ihre Absender-Reputation leicht besch\u00e4digen, aber es braucht Zeit, sie wieder aufzubauen. Deshalb m\u00fcssen Sie Ma\u00dfnahmen ergreifen, um eine gute Reputation bei den Postfachanbietern aufrechtzuerhalten.\u201c        <\/blockquote>\r\n\r\n                    <div class=\"d-flex gap-3 mt-5\">\r\n                                    <div>\r\n                        <img decoding=\"async\" width=\"72\" height=\"72\" class=\"rounded-lg quote-author\" src=\"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/06\/Ashley-Rodriguez.png\" alt=\"Photo of Ashley Rodriguez\">\r\n                    <\/div>\r\n                                <div class=\"d-flex flex-column align-self-center fs-sm\">\r\n                    <cite class=\"mb-0 fw-bold text-accent fst-normal\" aria-describedby=\"quote-block-5a9cc66585cf6c266082420960022c43\">\r\n                        Ashley Rodriguez                    <\/cite>\r\n                                            <span class=\"mb-0 text-body-color\">Deliverability Engineer II, Sinch Mailgun<\/span>\r\n                                    <\/div>\r\n            <\/div>\r\n            <\/div>\r\n\n\r\n                    <\/div>\r\n                \r\n                \r\n                <div class=\"col-md-6 col-lg-5 altblo-content order-1 order-md-2 pb-4 pb-lg-0\">\r\n\r\n\r\n                    <h3 class=\"h4 mb-0\"><\/h3><div class=\"content-body mb-0 mt-3 mt-lg-4\"><p class=\"mb-0\">In Kapitel 5 dieses Berichts werfen wir einen genaueren Blick auf die Absender-Reputation. Falls Sie damit nicht vertraut sind: Dies ist eine einzigartige Bewertung, die Postfachanbieter Absendern auf der Grundlage einer Vielzahl von Faktoren geben. 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Die Einholung einer ordnungsgem\u00e4\u00dfen Zustimmung, insbesondere f\u00fcr Werbenachrichten, ist f\u00fcr jedes E-Mail-Programm von entscheidender Bedeutung.<\/p><p>Wenn Sie Leuten ohne deren Zustimmung E-Mails senden, sind Sie ein Spammer, und Ihre Nachrichten geh\u00f6ren in den Junk-Ordner. Dar\u00fcber hinaus versto\u00dfen Sie ohne <a href=\"https:\/\/www.mailgun.com\/blog\/email\/explicit_consent\/\" target=\"_blank\" rel=\"noopener noreferrer\">ausdr\u00fcckliche Zustimmung<\/a> m\u00f6glicherweise gegen wichtige Verbraucherschutzgesetze und m\u00fcssen mit empfindlichen Geldstrafen rechnen.<\/p><p class=\"mb-0\">Leider werden immer noch fragw\u00fcrdige Methoden angewendet. <b>Fast 1 von 10 Absendern in unserer Umfrage (9,4 %) gibt zu, in den letzten zwei Jahren entweder E-Mail-Listen gekauft oder das Internet nach Kontakten durchsucht zu haben<\/b>.<\/p><\/div>\r\n\r\n                <\/div>\r\n            <\/div>\r\n\r\n            \r\n        <\/div>\r\n    <\/section>\r\n\r\n\n\n    <section data-content-type=\"hub\"  class=\"section section-hub-py hub-altblock bg-body\" data-theme=\"light\">\r\n        <div class=\"container\">\r\n            <div class=\"row align-items-center\">\r\n\r\n                                    <div class=\"col-md-6 col-lg-7 order-2 order-md-1 pe-md-7 pe-lg-10\">\r\n                        \n\r\n    \r\n    \r\n    \r\n                    <div class=\"position-relative\">\r\n                <div id=\"highcharts_block_YmxvY2tfMGUwMTNiYjY2ZTUxMjZiMTgyYjQ3Y2Y4YjJkZDhhMDA\"><\/div>\r\n            <\/div>\r\n        \r\n        <script>\r\n            (function() {\r\n                \/\/ Init chart\r\n                function chartInit_block_YmxvY2tfMGUwMTNiYjY2ZTUxMjZiMTgyYjQ3Y2Y4YjJkZDhhMDA() {\r\n                    const chartID = \"highcharts_block_YmxvY2tfMGUwMTNiYjY2ZTUxMjZiMTgyYjQ3Y2Y4YjJkZDhhMDA\";\r\n                    const chartContainer = document.getElementById(chartID);\r\n\r\n                    if (!chartContainer) return;\r\n\r\n                    \/\/ Check if chart already existns. 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altblo-content order-1 order-md-2 pb-4 pb-lg-0\">\r\n\r\n\r\n                    <h3 class=\"h4 mb-0\"><\/h3><div class=\"content-body mb-0 mt-3 mt-lg-4\"><p>Die gute Nachricht ist, dass 85,5 % der Absender in unserer Umfrage diese Praktiken in den letzten Jahren nicht angewendet haben, w\u00e4hrend etwa 5 % unsicher sind. Aber warten Sie &#8230; es gibt noch mehr schlechte Nachrichten.<\/p><p>Wenn wir uns die monatlichen Versandvolumina ansehen, stellt sich heraus, dass Unternehmen, die mehr E-Mails versenden, auch eher Kontakte zu ihren Listen hinzuf\u00fcgen, ohne deren Zustimmung einzuholen. Rund 15 % der Absender mit einem Volumen zwischen 100.000 und mehr als 1 Million E-Mails pro Monat geben diese fragw\u00fcrdigen Praktiken zu.<\/p><\/div>\r\n\r\n                <\/div>\r\n            <\/div>\r\n\r\n            \r\n        <\/div>\r\n    <\/section>\r\n\r\n\n\n    <section data-content-type=\"hub\"  class=\"section section-hub-py hub-altblock bg-body\" data-theme=\"light\">\r\n        <div class=\"container\">\r\n            <div class=\"row align-items-center\">\r\n\r\n                                    <div class=\"col-md-6 col-lg-7 order-2 order-md-2 ps-md-7 ps-lg-10\">\r\n                        \n    <div data-content-type=\"longform\"  class=\"callout text-body-color px-5 py-6 px-md-6 px-lg-7 py-md-7 longform-spacings rounded-lg bg-primary\" data-theme=\"light\">\r\n\r\n        <div class=\"content-body\"> <p class=\"mb-0\">Fast 1 von 10 Absendern gibt zu, in den letzten zwei Jahren fragw\u00fcrdige Praktiken zum Listenaufbau angewendet zu haben. Diese Methoden beeintr\u00e4chtigen die Zustellbarkeit und machen die Listenbereinigung zu einer dringenden Priorit\u00e4t.<\/p><\/div>\r\n    <\/div>\r\n\n\r\n                    <\/div>\r\n                \r\n                \r\n                <div class=\"col-md-6 col-lg-5 altblo-content order-1 order-md-1 pb-4 pb-lg-0\">\r\n\r\n\r\n                    <h3 class=\"h4 mb-0\"><\/h3><div class=\"content-body mb-0 mt-3 mt-lg-4\"><p>Die Untersuchung von Sinch Mailgun ergab auch, dass <b>B2B-Absender fast dreimal so h\u00e4ufig fragw\u00fcrdige Methoden zum Listenaufbau anwenden<\/b> wie B2C-Absender (12,3 % gegen\u00fcber 4,3 %). Der Kauf von Listen und das Scraping sind Taktiken, die h\u00e4ufig f\u00fcr die Kaltakquise von B2B-Interessenten durch das Vertriebsteam verwendet werden. Es ist eine Sache, Leute einzeln per Kaltakquise anzuschreiben, aber sobald es f\u00fcr den gro\u00dfen Ma\u00dfstab automatisiert wird, betreten Sie die Welt der Spammer.<\/p><p>Der organische Aufbau einer qualifizierten E-Mail-Liste erfordert Zeit und M\u00fche. Sie m\u00fcssen der Versuchung widerstehen, einfach eine Kontaktliste zu kaufen, die zu Ihrer Zielgruppe passt, sonst k\u00f6nnte es Konsequenzen geben.<\/p><\/div>\r\n\r\n                <\/div>\r\n            <\/div>\r\n\r\n            \r\n        <\/div>\r\n    <\/section>\r\n\r\n\n\n    <section data-content-type=\"hub\"  class=\"section section-hub-py bg-body\" data-theme=\"light\">\r\n        <div class=\"container\">\r\n            <div class=\"row align-items-center justify-content-center\">\r\n                <div class=\"col-md-10 justify-content-center\">\r\n\r\n                                            <div class=\"d-flex flex-column gap-3 gap-lg-4\">\r\n\r\n                                                            <div>\r\n                                    \r\n                                    <h3 class=\"h4 mb-0\">Eine bessere Methode zum Aufbau Ihrer E-Mail-Liste<\/h3>                                <\/div>\r\n                            \r\n                            <div class=\"content-body text-body-color\"><p>Es gibt viele M\u00f6glichkeiten, Kontakte zu sammeln, ohne Leute zuzuspammen und Datenschutzgesetze zu verletzen:<\/p><p>\u2022 Platzieren Sie Anmeldeformulare auf wichtigen Seiten Ihrer Website.<\/p><p>\u2022 Starten Sie einen Branchen-Newsletter, um relevante Abonnenten zu gewinnen.<\/p><p>\u2022 Bieten Sie wertvolle Inhalte im Austausch f\u00fcr Kontaktinformationen an.<\/p><p>\u2022 Erm\u00f6glichen Sie es den Leuten, sich f\u00fcr regelm\u00e4\u00dfige Angebote oder Produkt-Updates anzumelden.<\/p><p>\u2022 Sammeln Sie E-Mails w\u00e4hrend des Online-Checkouts oder am Point of Purchase.<\/p><p class=\"mb-0\">Doch auch nachdem jemand ein Formular ausgef\u00fcllt hat, gibt es einen weiteren Schritt, den Sie unternehmen k\u00f6nnen, um die E-Mail-Zustellbarkeit zu unterst\u00fctzen. Es wird als <b>Double-Opt-in<\/b> bezeichnet und beinhaltet das Senden einer ersten E-Mail an neue Kontakte, in der sie gebeten werden, ihre Absicht zur Anmeldung zu best\u00e4tigen.<\/p><\/div>                        <\/div>\r\n                    \r\n                                            <div class=\"mt-6 mt-md-7 mt-lg-9\">\r\n                                                            <div>\r\n                                    \n    <div data-content-type=\"longform\"  class=\"callout text-body-color px-5 py-6 px-md-6 px-lg-7 py-md-7 longform-spacings rounded-lg bg-light\" data-theme=\"light\">\r\n\r\n        <div class=\"content-body\"> <p><b>Falls Sie es noch nicht wussten, so funktioniert ein Double-Opt-in-Prozess normalerweise:<\/b><\/p><p>1. Ein neuer Kontakt f\u00fcllt ein Anmeldeformular aus.<\/p><p>2. Sie erhalten eine E-Mail, in der sie gebeten werden, zur Best\u00e4tigung auf einen Link zu klicken.<\/p><p>3. Wenn sie auf den Best\u00e4tigungslink klicken, f\u00fcgen Sie sie Ihrer Liste hinzu.<\/p><p class=\"mb-0\">4. Wenn keine Best\u00e4tigung erfolgt, f\u00fcgen Sie sie nicht hinzu oder segmentieren sie in eine separate Liste.<\/p><\/div>\r\n    <\/div>\r\n\n\r\n                                <\/div>\r\n                            \r\n                        <\/div>\r\n\r\n                    \r\n                <\/div>\r\n            <\/div>\r\n        <\/div>\r\n    <\/section>\r\n\r\n\n\n    <section data-content-type=\"hub\"  class=\"section section-hub-py bg-body\" data-theme=\"light\">\r\n        <div class=\"container\">\r\n            <div class=\"row align-items-center justify-content-center\">\r\n                <div class=\"col-md-10 justify-content-center\">\r\n\r\n                                            <div class=\"d-flex flex-column gap-3 gap-lg-4\">\r\n\r\n                            \r\n                            <div class=\"content-body text-body-color\"><p class=\"mb-0\">Dieser Prozess bedeutet zwar, dass das Listenwachstum etwas langsamer sein kann. Er stellt jedoch auch sicher, dass Sie nur neue Kontakte hinzuf\u00fcgen, die wirklich auf Ihrer Liste stehen m\u00f6chten. Diese Kontakte werden sich mit gr\u00f6\u00dferer Wahrscheinlichkeit mit Ihren Inhalten besch\u00e4ftigen.<\/p><\/div>                        <\/div>\r\n                    \r\n                                            <div class=\"mt-6 mt-md-7 mt-lg-9\">\r\n                                                            <div>\r\n                                    \n    <div data-content-type=\"longform\" class=\"quote hub-quote longform-spacings d-flex flex-column rounded-lg px-5 py-6 px-md-6 py-md-7 p-lg-7 shadow-sm bg-primary\" data-theme=\"light\">\r\n\r\n        <div class=\"quote-logo mb-3\">\r\n                            <svg height=\"40\" class=\"quote-icon quote-icon-color\" aria-hidden=\"true\" data-url=\"https:\/\/www.mailgun.com\/wp-content\/plugins\/sinch-core\/assets\/icons\/custom-icons\/quotes-right.svg\"><\/svg>\r\n                    <\/div>\r\n\r\n        <blockquote class=\"quote-content content-body m-0 text-body-color\" id=\"quote-block-1e87278137c2ba4bd1c47d13c673a53b\">\r\n            \u201eIch w\u00fcrde jedem Absender empfehlen, immer ein Double-Opt-in zu verwenden. Es stellt nicht nur sicher, dass Sie nur Abonnenten gewinnen, die sich mit gr\u00f6\u00dferer Wahrscheinlichkeit engagieren, sondern es hilft auch, den Missbrauch von Anmeldeformularen durch Bots zu verhindern, was ein erhebliches E-Mail-Sicherheitsrisiko darstellt.\u201c        <\/blockquote>\r\n\r\n                    <div class=\"d-flex gap-3 mt-5\">\r\n                                    <div>\r\n                        <img decoding=\"async\" width=\"72\" height=\"72\" class=\"rounded-lg quote-author\" src=\"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/06\/Nick-Schafer-New-Headshot.png\" alt=\"Photo of Nick Schafer\">\r\n                    <\/div>\r\n                                <div class=\"d-flex flex-column align-self-center fs-sm\">\r\n                    <cite class=\"mb-0 fw-bold text-accent fst-normal\" aria-describedby=\"quote-block-1e87278137c2ba4bd1c47d13c673a53b\">\r\n                        Nick Schafer                    <\/cite>\r\n                                            <span class=\"mb-0 text-body-color\">Sr. Manager, Zustellbarkeit und Compliance, Sinch Mailgun<\/span>\r\n                                    <\/div>\r\n            <\/div>\r\n            <\/div>\r\n\n\r\n                                <\/div>\r\n                            \r\n                        <\/div>\r\n\r\n                    \r\n                <\/div>\r\n            <\/div>\r\n        <\/div>\r\n    <\/section>\r\n\r\n\n\n    <section data-content-type=\"hub\"  class=\"section section-hub-py hub-altblock bg-body\" data-theme=\"light\">\r\n        <div class=\"container\">\r\n            <div class=\"row align-items-center\">\r\n\r\n                                    <div class=\"col-md-6 col-lg-7 order-2 order-md-1 pe-md-7 pe-lg-10\">\r\n                        \n\r\n    \r\n    \r\n    \r\n                    <div class=\"position-relative\">\r\n                <div id=\"highcharts_block_YmxvY2tfMTkxMTY5MDExZDI1NTEwZjU5YTIxYTQwOWQ0ZDMyZjE\"><\/div>\r\n            <\/div>\r\n        \r\n        <script>\r\n            (function() {\r\n                \/\/ Init chart\r\n                function chartInit_block_YmxvY2tfMTkxMTY5MDExZDI1NTEwZjU5YTIxYTQwOWQ0ZDMyZjE() {\r\n                    const chartID = \"highcharts_block_YmxvY2tfMTkxMTY5MDExZDI1NTEwZjU5YTIxYTQwOWQ0ZDMyZjE\";\r\n                    const chartContainer = document.getElementById(chartID);\r\n\r\n                    if (!chartContainer) return;\r\n\r\n                    \/\/ Check if chart already existns. 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Dabei senden Sie nur bestimmte E-Mails an neue Abonnenten, z. B. eine Willkommensserie oder einen monatlichen Newsletter, bis diese interagieren. Sobald sie dies tun, k\u00f6nnen Sie sie zu Ihrer Haupt-E-Mail-Liste hinzuf\u00fcgen, da Sie wissen, dass sie wahrscheinlich ein berechtigtes Interesse an Ihrem Angebot haben.<\/p><\/div>\r\n\r\n                <\/div>\r\n            <\/div>\r\n\r\n            \r\n        <\/div>\r\n    <\/section>\r\n\r\n\n\n    <section data-content-type=\"hub\"  class=\"section section-hub-py hub-altblock bg-body\" data-theme=\"light\">\r\n        <div class=\"container\">\r\n            <div class=\"row align-items-center\">\r\n\r\n                                    <div class=\"col-md-6 col-lg-7 order-2 order-md-2 ps-md-7 ps-lg-10\">\r\n                        \n\r\n\t                    <div class=\"iframe-responsive-container lazy-video rounded-lg overflow-hidden  \">\r\n                <a href=\"https:\/\/www.youtube.com\/watch?v=_XxhcFKs8FU\" class=\"lazy-video-link\" data-lazy-video=\"_XxhcFKs8FU\" target=\"_blank\" rel=\"nofollow\" role=\"button\" data-source=\"youtube\" data-language=\"de\" data-thumb=\"https:\/\/img.youtube.com\/vi\/_XxhcFKs8FU\/maxresdefault.jpg\" title=\"Sinch Video\">\r\n                    <div class=\"btn btn-light btn-light-social btn-play btn-play-circle\">\r\n                                                    <svg aria-hidden=\"true\" data-url=\"https:\/\/www.mailgun.com\/wp-content\/plugins\/sinch-core\/assets\/icons\/sinch\/play.svg\"><\/svg>\r\n                                            <\/div>\r\n                    <img decoding=\"async\"  src=\"https:\/\/img.youtube.com\/vi\/_XxhcFKs8FU\/maxresdefault.jpg\" alt=\"Email subscriber list hygiene: Are 39% of senders making a huge mistake?\">\r\n                <\/a>\r\n            <\/div>\r\n\r\n            \r\n                        <script type=\"application\/ld+json\">\r\n            {\n    \"@context\": \"http:\/\/schema.org\",\n    \"@type\": \"VideoObject\",\n    \"@id\": \"https:\/\/www.youtube.com\/watch?v=_XxhcFKs8FU#VideoObject\",\n    \"thumbnailUrl\": \"https:\/\/img.youtube.com\/vi\/_XxhcFKs8FU\/maxresdefault.jpg\",\n    \"embedUrl\": \"https:\/\/www.youtube.com\/embed\/_XxhcFKs8FU\",\n    \"contentUrl\": \"https:\/\/www.youtube.com\/watch?v=_XxhcFKs8FU\",\n    \"name\": \"Email subscriber list hygiene: Are 39% of senders making a huge mistake?\",\n    \"description\": \"As an expert in email deliverability, Ashley Rodriguez of Sinch Mailgun thinks it is crazy that nearly 40% of senders in a global survey admit they rarely or never conduct email subscriber list hygiene.  \\n\\nThere are some major payoffs to keeping your contact database clean and up to date. On the other hand, failing to conduct list hygiene can easily contribute to negative consequences. Neglecting email list hygiene leads to deliverability problems and performance metrics that just plain stink. In fact, poor list hygiene makes it more likely your messages will end up in the spam folder. \\n\\nIn this video, Ashley explains why email senders who ignore list hygiene are failing to protect an important part of their businesses. Email is a vital connecting point between you and your customers and prospects. Maintaining a clean email list may feel like a chore, but it can be made easier with tools that validate email addresses before you add them to your contacts and processes that help you identify unengaged subscribers. \\n\\nFind out much more about how businesses like yours build and maintain their email lists in a report based on an industry survey.  \\n\\nExplore list hygiene insights from the \\u201cState of email deliverability 2025\\u201d for free: \\nhttps:\/\/www.mailgun.com\/resources\/research\/list-building-hygiene\/ \\n\\nLearn more about keeping your list clean: \\nhttps:\/\/www.mailgun.com\/blog\/deliverability\/importance-of-email-list-cleaning\/ \\n\\nRead our tips on email list management and workflow: https:\/\/www.mailgun.com\/blog\/deliverability\/email-list-management\/\",\n    \"uploadDate\": \"2024-11-20T16:57:08+00:00\",\n    \"duration\": \"PT1M21S\"\n}        <\/script>\r\n        \r\n\t\r\n\n\r\n                    <\/div>\r\n                \r\n                \r\n                <div class=\"col-md-6 col-lg-5 altblo-content order-1 order-md-1 pb-4 pb-lg-0\">\r\n\r\n\r\n                    <h3 class=\"h4 mb-0\">Praktiken zur E-Mail-Listenpflege<\/h3><div class=\"content-body mb-0 mt-3 mt-lg-4\"><p class=\"mb-0\">Man kann damit durchkommen, ein oder zwei Mal das Duschen auszulassen. Baden Sie einmal pro Woche und vielleicht wird es niemandem auffallen. Aber versuchen Sie mal, einen Monat lang nicht zu duschen, und sehen Sie, wie die Leute reagieren, wenn Sie den Raum betreten. 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chartInit_block_YmxvY2tfZmE0OTZmYWI4YzQ3M2JhOTFlNmY4MmEwMmQxOWVhNmE(chartID_block_YmxvY2tfZmE0OTZmYWI4YzQ3M2JhOTFlNmY4MmEwMmQxOWVhNmE);\r\n            \/\/ }, true);\r\n\r\n            \/\/         <\/script>\r\n\r\n\n\r\n                    <\/div>\r\n                \r\n                \r\n                <div class=\"col-md-6 col-lg-5 altblo-content order-1 order-md-2 pb-4 pb-lg-0\">\r\n\r\n\r\n                    <h3 class=\"h4 mb-0\"><\/h3><div class=\"content-body mb-0 mt-3 mt-lg-4\"><p>Hier ist, was die Untersuchung von Sinch Mailgun dar\u00fcber aufdeckt, wie oft Absender eine E-Mail-Listenpflege durchf\u00fchren:<\/p><p>\u2022 27 % Monatlich oder \u00f6fter<\/p><p>\u2022 16 % Viertelj\u00e4hrlich<\/p><p>\u2022 18 % Ein- oder zweimal pro Jahr<\/p><p>\u2022 27 % Selten<\/p><p>\u2022 12 % Nie<\/p><p class=\"mb-0\">Wie oft Sie eine Listenpflege durchf\u00fchren m\u00fcssen, h\u00e4ngt von Ihrer Liste und der Wachstumsrate ab. Aber wenn Sie zu den <b>fast 40 % geh\u00f6ren, die selten oder nie eine Listenpflege durchf\u00fchren<\/b>, gef\u00e4hrden Sie Ihre E-Mail-Kommunikationsbem\u00fchungen durch Zustellbarkeitsprobleme.<\/p><\/div>\r\n\r\n                <\/div>\r\n            <\/div>\r\n\r\n            \r\n        <\/div>\r\n    <\/section>\r\n\r\n\n\n    <section data-content-type=\"hub\"  class=\"section section-hub-py bg-body\" data-theme=\"light\">\r\n        <div class=\"container\">\r\n            <div class=\"row align-items-center justify-content-center\">\r\n                <div class=\"col-md-10 justify-content-center\">\r\n\r\n                    \r\n                                            <div class=\"\">\r\n                                                            <div>\r\n                                    \n    <div data-content-type=\"longform\"  class=\"callout text-body-color px-5 py-6 px-md-6 px-lg-7 py-md-7 longform-spacings rounded-lg bg-light\" data-theme=\"light\">\r\n\r\n        <div class=\"content-body\"> <p><b>Hier sind einige der h\u00e4ufigsten Taktiken zur Listenbereinigung:<\/b><\/p><p>1. Entfernen Sie Kontakte mit Hard Bounces.<\/p><p>2. Melden Sie Kontakte ab, die Spam-Beschwerden einreichen.<\/p><p>3. Segmentieren Sie Ihre Liste nach Engagement-Level.<\/p><p class=\"mb-0\">4. 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Dabei werden spezifische Schwellenwerte oder Benchmarks f\u00fcr die Segmentierung von nicht engagierten Abonnenten festgelegt. Wenn zum Beispiel jemand seit drei Monaten keine E-Mail von Ihnen ge\u00f6ffnet hat, wird dieser Kontakt \u201eaussortiert\u201c oder aus der Hauptliste entfernt.<\/p><p class=\"mb-0\">Unsere Untersuchung ergab, dass Sunset-Richtlinien bei typischen E-Mail-Absendern un\u00fcblich sind. <b>Knapp 24 % aller Absender verwenden eine Sunset-Richtlinie.<\/b> Fast 59 % geben an, dass sie keine verwenden, und etwa 17 % sind unsicher. Diese Ergebnisse sind im Vergleich zu unserer Umfrage von 2023 nahezu unver\u00e4ndert.<\/p><\/div>\r\n\r\n                <\/div>\r\n            <\/div>\r\n\r\n            \r\n        <\/div>\r\n    <\/section>\r\n\r\n\n\n    <section data-content-type=\"hub\"  class=\"section section-hub-py bg-body\" data-theme=\"light\">\r\n        <div class=\"container\">\r\n            <div class=\"row align-items-center justify-content-center\">\r\n                <div class=\"col-md-10 justify-content-center\">\r\n\r\n                                            <div class=\"d-flex flex-column gap-3 gap-lg-4\">\r\n\r\n                                                            <div>\r\n                                    \r\n                                    <h3 class=\"h4 mb-0\">Die Implementierung von Sunset-Richtlinien nimmt je nach E-Mail-Versandvolumen deutlich zu:<\/h3>                                <\/div>\r\n                            \r\n                                                    <\/div>\r\n                    \r\n                                            <div class=\"mt-6 mt-md-7 mt-lg-9\">\r\n                                                            <div>\r\n                                    \n\r\n    \r\n        <div class=\"row hub-data longform-spacings\">\r\n\r\n                            <div class=\"col-6 col-lg-6 my-2\">\r\n                    <div class=\"hub-data-item h-100 p-4 p-md-5 rounded-lg bg-light\" data-theme=\"light\">\r\n                        <div class=\"h3 counter\">50,3 %<\/div>\r\n                        <div class=\"content-body text-body-color\">\r\n                            <p class=\"mb-0\">Absender mit einem monatlichen E-Mail-Volumen von mehr als 1 Million, die eine Sunset-Richtlinie verwenden.<\/p>                        <\/div>\r\n                                            <\/div>\r\n                <\/div>\r\n\r\n                            <div class=\"col-6 col-lg-6 my-2\">\r\n                    <div class=\"hub-data-item h-100 p-4 p-md-5 rounded-lg bg-light\" data-theme=\"light\">\r\n                        <div class=\"h3 counter\">34 %<\/div>\r\n                        <div class=\"content-body text-body-color\">\r\n                            <p class=\"mb-0\">Absender mit einem monatlichen E-Mail-Volumen von 100.000 bis 1 Million, die eine Sunset-Richtlinie verwenden.<\/p>                        <\/div>\r\n                                            <\/div>\r\n                <\/div>\r\n\r\n                            <div class=\"col-6 col-lg-6 my-2\">\r\n                    <div class=\"hub-data-item h-100 p-4 p-md-5 rounded-lg bg-light\" data-theme=\"light\">\r\n                        <div class=\"h3 counter\">24 %<\/div>\r\n                        <div class=\"content-body text-body-color\">\r\n                            <p class=\"mb-0\">Absender mit einem monatlichen E-Mail-Volumen von 50.000 bis 100.000, die eine Sunset-Richtlinie verwenden.<\/p>                        <\/div>\r\n                                            <\/div>\r\n                <\/div>\r\n\r\n                            <div class=\"col-6 col-lg-6 my-2\">\r\n                    <div class=\"hub-data-item h-100 p-4 p-md-5 rounded-lg bg-light\" data-theme=\"light\">\r\n                        <div class=\"h3 counter\">17 %<\/div>\r\n                        <div class=\"content-body text-body-color\">\r\n                            <p class=\"mb-0\">Absender mit einem monatlichen E-Mail-Volumen von &lt; 50.000, die eine Sunset-Richtlinie verwenden.<\/p>                        <\/div>\r\n                                            <\/div>\r\n                <\/div>\r\n\r\n            \r\n        <\/div>\r\n\r\n\n\r\n                                <\/div>\r\n                            \r\n                        <\/div>\r\n\r\n                    \r\n                <\/div>\r\n            <\/div>\r\n        <\/div>\r\n    <\/section>\r\n\r\n\n\n    <section data-content-type=\"hub\"  class=\"section section-hub-py bg-body\" data-theme=\"light\">\r\n        <div class=\"container\">\r\n            <div class=\"row align-items-center justify-content-center\">\r\n                <div class=\"col-md-10 justify-content-center\">\r\n\r\n                                            <div class=\"d-flex flex-column gap-3 gap-lg-4\">\r\n\r\n                            \r\n                            <div class=\"content-body text-body-color\"><p class=\"mb-0\">Diese Ergebnisse legen nahe, dass Taktiken, die Absendern helfen, die Listenpflege proaktiv zu verwalten, mit dem Wachstum ihrer Kontaktdatenbanken an Bedeutung gewinnen.<\/p><\/div>                        <\/div>\r\n                    \r\n                                            <div class=\"mt-6 mt-md-7 mt-lg-9\">\r\n                                                            <div>\r\n                                    \n\r\n\t                    <div class=\"iframe-responsive-container lazy-video rounded-lg overflow-hidden  \">\r\n                <a href=\"https:\/\/www.youtube.com\/watch?v=8erpRx0cOFs\" class=\"lazy-video-link\" data-lazy-video=\"8erpRx0cOFs\" target=\"_blank\" rel=\"nofollow\" role=\"button\" data-source=\"youtube\" data-language=\"de\" data-thumb=\"https:\/\/img.youtube.com\/vi\/8erpRx0cOFs\/maxresdefault.jpg\" title=\"Sinch Video\">\r\n                    <div class=\"btn btn-light btn-light-social btn-play btn-play-circle\">\r\n                                                    <svg aria-hidden=\"true\" data-url=\"https:\/\/www.mailgun.com\/wp-content\/plugins\/sinch-core\/assets\/icons\/sinch\/play.svg\"><\/svg>\r\n                                            <\/div>\r\n                    <img decoding=\"async\"  src=\"https:\/\/img.youtube.com\/vi\/8erpRx0cOFs\/maxresdefault.jpg\" alt=\"The email sunset policy: Learn to let go of unengaged subscribers\">\r\n                <\/a>\r\n            <\/div>\r\n\r\n            \r\n                        <script type=\"application\/ld+json\">\r\n            {\n    \"@context\": \"http:\/\/schema.org\",\n    \"@type\": \"VideoObject\",\n    \"@id\": \"https:\/\/www.youtube.com\/watch?v=8erpRx0cOFs#VideoObject\",\n    \"thumbnailUrl\": \"https:\/\/img.youtube.com\/vi\/8erpRx0cOFs\/maxresdefault.jpg\",\n    \"embedUrl\": \"https:\/\/www.youtube.com\/embed\/8erpRx0cOFs\",\n    \"contentUrl\": \"https:\/\/www.youtube.com\/watch?v=8erpRx0cOFs\",\n    \"name\": \"The email sunset policy: Learn to let go of unengaged subscribers\",\n    \"description\": \"What is an email sunset policy and how can having one help you improve deliverability so that more messages reach recipients\\u2019 inboxes? 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Beim Ausf\u00fcllen von Formularen machen Leute Tippfehler, z. B. geben sie gnail.com anstelle von gmail.com ein. Sie k\u00f6nnen ihnen jedoch helfen, diese Fehler zu korrigieren, damit Sie keine neuen Kontakte verlieren.<\/p><p>Der Prozess der E-Mail-Validierung tut mehr als nur Tippfehler zu erkennen. Er \u00fcberpr\u00fcft auch, ob eine Adresse E-Mails empfangen kann, pr\u00fcft die Syntax auf korrekte Formatierung, identifiziert Wegwerf-E-Mails und f\u00e4ngt risikoreiche E-Mail-Adressen ab.<\/p><p>Absender k\u00f6nnen E-Mails bei der Anmeldung verifizieren und sie k\u00f6nnen eine Massen-E-Mail-Validierung f\u00fcr eine gesamte Datenbank als Teil der regelm\u00e4\u00dfig geplanten Listenpflege durchf\u00fchren. Beide Methoden sind n\u00fctzlich, um eine qualitativ hochwertige E-Mail-Liste zu pflegen. Die eine verhindert, dass schlechte Kontaktdaten auf Ihre Liste gelangen, die andere hilft Ihnen, die bereits vorhandenen Daten zu bereinigen.<\/p><p class=\"mb-0\">Wir haben Absender gebeten, die Methoden zu nennen, mit denen sie E-Mails validieren. <b>30 % f\u00fchren die E-Mail-Validierung bei der Anmeldung durch und fast 13 % verwenden die Massenvalidierung (nur 3 % tun beides).<\/b> 38 % entfernen Hard Bounces manuell und 24 % geben an, dass ihr ESP dies automatisch tut. 28 % geben an, dass sie nichts zur Validierung von E-Mails verwenden.<\/p><\/div>\r\n\r\n                <\/div>\r\n            <\/div>\r\n\r\n            \r\n        <\/div>\r\n    <\/section>\r\n\r\n\n\n    <section data-content-type=\"hub\"  class=\"section section-hub-py bg-body\" data-theme=\"light\">\r\n        <div class=\"container\">\r\n            <div class=\"row align-items-center justify-content-center\">\r\n                <div class=\"col-md-10 justify-content-center\">\r\n\r\n                                            <div class=\"d-flex flex-column gap-3 gap-lg-4\">\r\n\r\n                            \r\n                            <div class=\"content-body text-body-color\"><p class=\"mb-0\">Die E-Mail-Validierung hilft Absendern auch, die Bounce-Raten zu senken und gute Engagement-Metriken aufrechtzuerhalten. Wenn Sie ung\u00fcltige oder veraltete Kontakte in Ihrer Datenbank haben, interagieren diese nicht mit Ihren Inhalten, was Ihre Metriken nach unten ziehen wird. Die Listenpflege f\u00fchrt zu einem klaren Bild der Leistung des E-Mail-Programms.<\/p><\/div>                        <\/div>\r\n                    \r\n                                            <div class=\"mt-6 mt-md-7 mt-lg-9\">\r\n                                                            <div>\r\n                                    \n\r\n    <aside data-content-type=\"longform\"  class=\"banner-block longform-spacings rounded-lg shadow-lg px-5 py-6 px-md-6 py-md-7 p-lg-7 bg-light\" data-theme=\"dark\" aria-labelledby=\"banner-block-block_f87fd437e7ed0d2b5daf2f6dada80b40\">\r\n                    <p class=\"text-uppercase section-caption text-body-color\">\r\n                Tool f\u00fcr E-Mail-Zustellbarkeit            <\/p>\r\n                            <p class=\"h4 text-accent fw-bold\" id=\"banner-block-block_f87fd437e7ed0d2b5daf2f6dada80b40\">\r\n                Mit Mailgun Optimize validieren            <\/p>\r\n                            <div class=\"mb-0 text-body-color\">\r\n                                    <div class=\"content-body mb-0 text-body-color\"><p class=\"mb-0\">Absender, die Mailgun Optimize-Validierungen verwenden, haben ihre Bounce-Raten um 21 % reduziert. Verifizieren Sie E-Mails einzeln, in gro\u00dfen Mengen oder direkt bei der Erfassung \u00fcber eine API. F\u00fchren Sie die Listenpflege mit einer Geschwindigkeit, Leistung und Genauigkeit durch, die Sie bei der Konkurrenz nicht finden werden.<\/p><\/div>\r\n                            <\/div>\r\n        \r\n        <div class=\"text-start mt-5\"><a href=\"https:\/\/www.mailgun.com\/de\/produkte\/validate\/\" target=\"_blank\" class=\"btn btn-secondary\" >Start validating your list<\/a><\/div>\r\n    <\/aside>\r\n\r\n\n\r\n                                <\/div>\r\n                            \r\n                        <\/div>\r\n\r\n                    \r\n                <\/div>\r\n            <\/div>\r\n        <\/div>\r\n    <\/section>\r\n\r\n","protected":false},"featured_media":2692,"template":"","meta":{"_acf_changed":true},"class_list":["post-12981","soed-chapter","type-soed-chapter","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How List Building &amp; Hygiene Impact Email Deliverability - Transactional Email API Service For Developers | Mailgun<\/title>\n<meta name=\"description\" content=\"The health of your email list directly impacts inbox placement. 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