{"id":5413,"date":"2025-12-19T20:01:32","date_gmt":"2025-12-19T20:01:32","guid":{"rendered":"https:\/\/mgcomdev.wpenginepowered.com\/glossary\/mail-user-agent-3\/"},"modified":"2026-09-09T06:34:06","modified_gmt":"2026-09-09T06:34:06","slug":"mail-user-agent","status":"publish","type":"glossary","link":"https:\/\/www.mailgun.com\/de\/glossar\/mail-user-agent\/","title":{"rendered":"Mail User Agent (MUA)"},"content":{"rendered":"<h1>Mail User Agent (MUA)<\/h1>\n<p><span data-contrast=\"none\">Ein Mail User Agent (MUA), auch als E-Mail-Client bekannt, ist die Software oder Anwendung, die Endnutzer verwenden, um E-Mails zu versenden, zu empfangen und zu verwalten. MUAs stellen \u00fcber Protokolle wie IMAP, POP3 und SMTP eine Verbindung zu E-Mail-Servern her.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">G\u00e4ngige Beispiele f\u00fcr MUAs sind:<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<ul>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"71\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-contrast=\"none\">Desktop:\u00a0<\/span><\/b><span data-contrast=\"none\">Microsoft Outlook, Apple Mail, Thunderbird<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"71\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-contrast=\"none\">Webbasiert:\u00a0<\/span><\/b><span data-contrast=\"none\">Gmail, Yahoo Mail, Outlook.com<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"71\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-contrast=\"none\">Mobile Apps: i<\/span><\/b><span data-contrast=\"none\">OS Mail, Gmail-App<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<\/ul>\n<p><span data-contrast=\"none\">MUAs:<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<ul>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"72\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"none\">E-Mail-Nachrichten verfassen und anzeigen<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"72\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"none\">E-Mails von einem Empfangsserver abrufen (\u00fcber IMAP oder POP3)<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"72\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"none\">Nachrichten \u00fcber SMTP an einen MTA (Mail Transfer Agent) senden<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"72\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"none\">Nutzereinstellungen, Signaturen, Kontakte und Ordner speichern<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<\/ul>\n<p><span data-contrast=\"none\">W\u00e4hrend MUAs die Nutzeroberfl\u00e4che bereitstellen, sind sie auf Backend-Infrastrukturen wie MTAs und MDAs angewiesen, um Nachrichten weiterzuleiten und zu speichern.<\/span><span data-ccp-props=\"{\"> <\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mail User Agent (MUA) Ein Mail User Agent (MUA), auch als E-Mail-Client bekannt, ist die Software oder Anwendung, die Endnutzer verwenden, um E-Mails zu versenden, zu empfangen und zu verwalten. MUAs stellen \u00fcber Protokolle wie IMAP, POP3 und SMTP eine Verbindung zu E-Mail-Servern her.\u00a0 G\u00e4ngige Beispiele f\u00fcr MUAs sind:\u00a0 Desktop:\u00a0Microsoft Outlook, Apple Mail, Thunderbird\u00a0 Webbasiert:\u00a0Gmail, [&hellip;]<\/p>\n","protected":false},"author":73,"template":"","meta":{"_acf_changed":false},"class_list":["post-5413","glossary","type-glossary","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mail User Agent (MUA) \u2013 Glossar der E-Mail-Begriffe | Mailgun<\/title>\n<meta name=\"description\" content=\"Ein Mail User Agent (MUA) ist eine Anwendung, die Ihre Empf\u00e4nger nutzen, um auf E-Mails zuzugreifen. 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