{"id":20237,"date":"2025-08-18T13:31:19","date_gmt":"2025-08-18T13:31:19","guid":{"rendered":"https:\/\/www.mailgun.com\/blog\/email-domain-reputation-ueberpruefen\/"},"modified":"2026-09-16T11:47:49","modified_gmt":"2026-09-16T11:47:49","slug":"email-domain-reputation-ueberpruefen","status":"publish","type":"blog","link":"https:\/\/www.mailgun.com\/de\/blog\/email\/email-domain-reputation-ueberpruefen\/","title":{"rendered":"Wie Sie Ihre E-Mail-Domain-Reputation \u00fcberpr\u00fcfen"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Sending good email isn&#8217;t just about sharp copy or eye-catching design. If mailbox providers don\u2019t trust your domain, your messages won\u2019t land where they should. Domain reputation plays a big role in getting to the inbox, and too many senders ignore it until there\u2019s a problem. In this post, we\u2019ll walk through what domain reputation means, why it matters, and how to check it using tools that give you real visibility.<\/p>\n\r\n    <nav data-content-type=\"longform\" class=\"toc-block longform-spacings px-5 py-6 px-md-6 px-lg-7 py-md-7 bg-light fs-sm rounded-lg\" aria-labelledby=\"toc-title-8506\"><p class=\"h5 m-0\" id=\"toc-title-8506\">Inhaltsverzeichnis<\/p><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">01<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#what-is-domain-reputation\">What is domain reputation?<\/a><\/div><\/div><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">02<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#why-it-matters-for-email-delivery\">Why it matters for email delivery<\/a><\/div><\/div><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">03<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#how-to-check-your-domain-reputation\">How to check your domain reputation<\/a><\/div><\/div><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">04<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#what-affects-your-reputation\">What affects your reputation?<\/a><\/div><\/div><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">05<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#how-to-improve-your-domain-reputation\">How to improve your domain reputation<\/a><\/div><\/div><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">06<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#how-mailgun-helps-monitor-and-protect-your-reputation\">How Mailgun helps monitor and protect your reputation<\/a><\/div><\/div><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">07<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#wrapping-up\">Wrapping up<\/a><\/div><\/div><\/nav>\n<h2 class=\"wp-block-heading\">What is domain reputation?<\/h2>\n\n<p class=\"wp-block-paragraph\"><b>Domain reputation is your email domain\u2019s trust score.<\/b> It tells inbox providers like Gmail, Outlook, and Yahoo whether your domain sends legitimate messages or looks suspicious. <a href=\"https:\/\/www.mailgun.com\/de\/blog\/product\/email-health-score\/\" target=\"_tabs\" rel=\"noopener noreferrer\">Think of it as a credit score for your domain.<\/a><\/p>\n\n<p class=\"wp-block-paragraph\">Your domain reputation affects whether your emails get delivered, land in spam, or get blocked altogether. It\u2019s shaped by how often you send, who you send to, and how people react to your emails. It also factors in whether your domain is properly authenticated and how often it shows up on blocklists. We can sum this all up in one word: <a href=\"https:\/\/www.mailgun.com\/blog\/email\/understanding-email-deliverability\/\" target=\"_tabs\" rel=\"noopener noreferrer\">deliverability.<\/a><\/p>\n\n<p class=\"wp-block-paragraph\">A high reputation means <a href=\"https:\/\/www.mailgun.com\/de\/blog\/deliverability\/was-ist-posteingangsplatzierung\/\" target=\"_tabs\" rel=\"noopener noreferrer\">better inbox placement<\/a>. A low one? That could hurt every part of your email program \u2013 from onboarding flows and password resets to time-sensitive notifications and receipts.<\/p>\n\n<h2 class=\"wp-block-heading\">Why it matters for email delivery<\/h2>\n\n<p class=\"wp-block-paragraph\">If you\u2019re sending high-volume transactional or marketing email, domain reputation can make or break your success. A low score affects everything: engagement rates, delivery timing, and whether critical messages even show up.<\/p>\n\n<p class=\"wp-block-paragraph\">Our latest <a href=\"https:\/\/www.mailgun.com\/de\/blog\/deliverability\/status-der-zustellbarkeit-erkenntnisse\/\" target=\"_tabs\" rel=\"noopener noreferrer\">State of Email Deliverability report<\/a> found that 48% of senders say staying out of spam is one of their biggest challenges. Even more troubling? Over half don\u2019t monitor deny lists or perform regular domain checks.<\/p>\n\n<p class=\"wp-block-paragraph\">Poor domain reputation leads to:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Lower delivery rates<\/li>\n\n\n\n<li>Slower email sending speeds<\/li>\n\n\n\n<li>More bounces and blocks<\/li>\n\n\n\n<li>Missed conversions and user actions<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">And it\u2019s not just about technical email sending. A weak domain reputation reflects on your brand\u2019s reliability.<\/p>\n\n<h2 class=\"wp-block-heading\">How to check your domain reputation<\/h2>\n\n<p class=\"wp-block-paragraph\">The best way to protect your sending reputation is to track it often. That starts with using the right tools.<\/p>\n\n<p class=\"wp-block-paragraph\">Here are a few domain reputation checkers and lookup tools that provide helpful visibility:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.mailgun.com\/de\/blog\/deliverability\/google-postmaster-tools-absenderreputation-verstehen\/\" target=\"_tabs\" rel=\"noopener noreferrer\"><b>Google Postmaster Tools:<\/b><\/a> Offers detailed data on your domain\u2019s sender reputation, spam complaints, and authentication status with Gmail.<\/li>\n\n\n\n<li><b>Talos Intelligence:<\/b> Cisco\u2019s tool shows IP and domain reputation, especially helpful if you&#8217;re troubleshooting phishing or malware issues.<\/li>\n\n\n\n<li><b>MxToolbox:<\/b> Lets you run a DNS and SMTP check, monitor blacklists, and see how your email server is performing.<\/li>\n\n\n\n<li><b>Spamhaus and Barracuda:<\/b> These services operate blocklists used by many filters. If your domain appears here, it\u2019s likely getting blocked.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.mailgun.com\/de\/blog\/product\/email-health-score\/\" target=\"_tabs\" rel=\"noopener noreferrer\"><b>Mailgun domain health score<\/b><\/a>: Each of the five critical signals are converted into a weighted rate based on industry standards and our own data-informed calculations. The weighted rates are then subtracted from a highest score of 100 to provide you with your overall email health score.<\/li>\n<\/ul>\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\"> Use multiple tools to cross-check your domain and IP status. No single system gives the full picture, especially across different mail servers.<\/div>\r\n    <\/div>\r\n\n<h2 class=\"wp-block-heading\">What affects your reputation?<\/h2>\n\n<p class=\"wp-block-paragraph\">Mailbox providers use real-time algorithms to decide whether your emails get delivered or filtered. Here\u2019s what they care about most.<\/p>\n\n<p class=\"wp-block-paragraph\"><b>Authentication:<\/b> <a href=\"https:\/\/www.mailgun.com\/de\/blog\/deliverability\/e-mail-authentifizierung-ihr-ausweis-fuer-den-versand\/\" target=\"_tabs\" rel=\"noopener noreferrer\">Make sure SPF, DKIM, and DMARC<\/a> are set up correctly. This confirms that your emails come from a trusted source and prevents spoofing.<\/p>\n\n<p class=\"wp-block-paragraph\"><b>Sending behavior:<\/b> <a href=\"https:\/\/www.mailgun.com\/de\/blog\/product\/send-time-optimization-ankuendigung\/\" target=\"_tabs\" rel=\"noopener noreferrer\">Consistent volume and timing matter<\/a>. Sudden spikes in email activity can trigger filters, especially if your domain is new or inactive.<\/p>\n\n<p class=\"wp-block-paragraph\"><b>Engagement signals:<\/b> <a href=\"https:\/\/www.mailgun.com\/de\/blog\/product\/engagement-validierungsdaten\/\" target=\"_tabs\" rel=\"noopener noreferrer\">Mailbox providers watch how people interact with your messages.<\/a> If users open, click, and reply, that\u2019s a good sign. If they delete, ignore, or mark as spam, your reputation will drop.<\/p>\n\n<p class=\"wp-block-paragraph\"><b>List hygiene:<\/b> <a href=\"https:\/\/www.mailgun.com\/de\/blog\/deliverability\/bedeutung-der-e-mail-listenbereinigung\/\" target=\"_tabs\" rel=\"noopener noreferrer\">Inactive or invalid email addresses lead to bounces<\/a>. Too many bounces tell providers you\u2019re not maintaining your email list. That\u2019s a red flag.<\/p>\n\n<p class=\"wp-block-paragraph\"><b>Deny lists and lookups:<\/b> If your IP or domain shows up on <a href=\"https:\/\/www.mailgun.com\/de\/loesungen\/email-blocklisten-ueberwachungsdienst\/\">blocklists<\/a> like Spamhaus or Barracuda, your messages may not even be processed. Run a reputation lookup regularly to stay ahead of issues.<\/p>\n\n<p class=\"wp-block-paragraph\">Make it easy to opt out. If users can\u2019t unsubscribe quickly, they\u2019ll mark your email as spam instead.<\/p>\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\"> Learn more about your email domain\u2019s health by checking out our <a href=\"https:\/\/www.mailgun.com\/de\/blog\/product\/email-health-score\/\">email health score tool.<\/a><\/div>\r\n    <\/div>\r\n\n<h2 class=\"wp-block-heading\">How to improve your domain reputation<\/h2>\n\n<p class=\"wp-block-paragraph\">If your domain reputation needs help, don\u2019t wait. Start by identifying problem areas and cleaning them up.<\/p>\n\n<p class=\"wp-block-paragraph\">Here\u2019s where to focus first:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><b>Validate your email list:<\/b> Use a <a href=\"https:\/\/www.mailgun.com\/de\/email-validation\" target=\"_tabs\" rel=\"noopener noreferrer\">reputation-safe email validation tool<\/a> to catch bad addresses before sending.<\/li>\n\n\n\n<li><b>Monitor complaints and bounces:<\/b> Remove or suppress addresses that repeatedly cause issues.<\/li>\n\n\n\n<li><b>Warm up new domains: <\/b><a href=\"https:\/\/www.mailgun.com\/de\/blog\/deliverability\/domain-warmup-reputation-vor-dem-versand-aufbauen\/\" target=\"_tabs\" rel=\"noopener noreferrer\">Ramp up email sending slowly<\/a> when using a new domain name or IP address.<\/li>\n\n\n\n<li><b>Send relevant content:<\/b> Low engagement hurts. Personalized messages with clear value help you stand out.<\/li>\n\n\n\n<li><b>Review your DNS records:<\/b> Make sure everything from SPF to DMARC is aligned. Small mistakes in DNS can cause big deliverability issues.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Also, avoid tricks like aggressive re-sending or misleading subject lines. They might boost short-term opens, but they do long-term damage to your domain\u2019s trust.<\/p>\n\n<h2 class=\"wp-block-heading\">How Mailgun helps monitor and protect your reputation<\/h2>\n\n<p class=\"wp-block-paragraph\">Mailgun was built to help technical teams manage high-performance email. That includes giving you tools to monitor sender score, email performance, and delivery issues in one place.<\/p>\n\n<p class=\"wp-block-paragraph\">We support better domain reputation with:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.mailgun.com\/de\/blog\/product\/erweiterte-email-protokolle\/\" target=\"_tabs\" rel=\"noopener noreferrer\">Real-time logs<\/a> with advanced filtering to make data accessible and actionable<\/li>\n\n\n\n<li>Analytics for <a href=\"https:\/\/www.mailgun.com\/de\/blog\/deliverability\/ihre-bounce-rate-verbessern\/#chapter-2\" target=\"_tabs\" rel=\"noopener noreferrer\">bounce rates,<\/a> engagement, and IP performance<\/li>\n\n\n\n<li>Advanced <a href=\"https:\/\/www.mailgun.com\/de\/blog\/product\/engagement-validierungsdaten\/\" target=\"_tabs\" rel=\"noopener noreferrer\">email validation<\/a> to prevent bad data from entering your system<\/li>\n\n\n\n<li>Custom authentication and domain routing to keep your sending secure<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Whether you\u2019re handling transactional email, marketing campaigns, or system alerts, Mailgun gives you the visibility and tools to send with confidence.<\/p>\n\n<h2 class=\"wp-block-heading\">Wrapping up<\/h2>\n\n<p class=\"wp-block-paragraph\">Domain reputation isn\u2019t just a score. It\u2019s your signal of trust in the email world. If you\u2019re not checking it, you\u2019re missing out on one of the most important metrics in your deliverability program.<\/p>\n\n<p class=\"wp-block-paragraph\">The right tools make it easy to run a domain reputation check, spot issues before they affect delivery, and take action to improve your score. And with a partner like Mailgun, you don\u2019t have to go it alone.<\/p>\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_e1d1346667e1b6312f373eb87fc263e8\">\r\n                    <p class=\"text-uppercase section-caption text-body-color\">\r\n                Sign Up            <\/p>\r\n                            <p class=\"h4 text-accent fw-bold\" id=\"banner-block-block_e1d1346667e1b6312f373eb87fc263e8\">\r\n                It&#8217;s easy to get started. And it&#8217;s free.            <\/p>\r\n                            <div class=\"mb-0 text-body-color\">\r\n                                    <div class=\"content-body mb-0 text-body-color\">See what you can accomplish with the world\u2019s best email delivery platform.<\/div>\r\n                            <\/div>\r\n        \r\n        <div class=\"text-start mt-5\"><a href=\"https:\/\/signup.mailgun.com\/new\/signup\"  class=\"btn btn-secondary\" >Get started<\/a><\/div>\r\n    <\/aside>\r\n\r\n","protected":false},"excerpt":{"rendered":"<p>Ihre Domain-Reputation sagt alles dar\u00fcber aus, wie E-Mail-Server Sie wahrnehmen. Ist sie schlecht, landen Ihre E-Mails m\u00f6glicherweise nie im Posteingang. So \u00fcberpr\u00fcfen Sie Ihren aktuellen Stand und ergreifen die richtigen Ma\u00dfnahmen.<\/p>\n","protected":false},"author":13,"featured_media":4074,"menu_order":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"blog_category":[20],"class_list":["post-20237","blog","type-blog","status-publish","has-post-thumbnail","hentry","blog_category-email"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>So \u00fcberpr\u00fcfen Sie Ihre Domain-Reputation und verbessern die Zustellbarkeit - Transactional Email API Service For Developers | Mailgun<\/title>\n<meta name=\"description\" content=\"Die Reputation Ihrer E-Mail-Domain wirkt sich auf die Posteingangsplatzierung, das Engagement und das Vertrauen aus. 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