{"id":5401,"date":"2025-12-19T17:39:25","date_gmt":"2025-12-19T17:39:25","guid":{"rendered":"https:\/\/mgcomdev.wpenginepowered.com\/glossary\/hard-bounce-3\/"},"modified":"2025-07-14T09:44:55","modified_gmt":"2025-07-14T09:44:55","slug":"hard-bounce","status":"publish","type":"glossary","link":"https:\/\/www.mailgun.com\/de\/glossar\/hard-bounce\/","title":{"rendered":"Hard Bounce"},"content":{"rendered":"<h1>Hard Bounce<\/h1>\n<p>Es gibt zwei Arten von <a href=\"https:\/\/www.mailgun.com\/blog\/deliverability\/email-bounces-what-to-do-about-them\/\" target=\"_tabs\" rel=\"noopener noreferrer\">E-Mail-Bounces<\/a>: Hard Bounces und Soft Bounces. W\u00e4hrend Soft Bounces vor\u00fcbergehende Zustellungsausf\u00e4lle sind, die sich h\u00e4ufig mit der Zeit wieder beheben, sind Hard Bounces dauerhafte Zustellungsausf\u00e4lle, das hei\u00dft, E-Mails gelangen nicht in den Posteingang des Empf\u00e4ngers.<\/p>\n<p>Ein Hard Bounce tritt bei einer ung\u00fcltigen E-Mail-Adresse, einem inaktiven Posteingangsserver oder aufgrund einer als Spam markierten Nachricht auf. All dies hat zur Folge, dass Inbox Service Provider (ISPs) die E-Mail ablehnen. Hard Bounces weisen auf eine <a href=\"https:\/\/www.mailgun.com\/blog\/deliverability\/improve-your-bounce-rate\/\" target=\"_tabs\" rel=\"noopener noreferrer\">schlechte Zustellbarkeit<\/a> hin und beeintr\u00e4chtigen die zuk\u00fcnftige Zustellbarkeit. Wenn ein Unternehmen in der Vergangenheit ein Problem mit Hard Bounces hatte, ist es weniger wahrscheinlich, dass ISPs seine E-Mails in die Posteing\u00e4nge der Abonnenten sortieren.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hard Bounce Es gibt zwei Arten von E-Mail-Bounces: Hard Bounces und Soft Bounces. W\u00e4hrend Soft Bounces vor\u00fcbergehende Zustellungsausf\u00e4lle sind, die sich h\u00e4ufig mit der Zeit wieder beheben, sind Hard Bounces dauerhafte Zustellungsausf\u00e4lle, das hei\u00dft, E-Mails gelangen nicht in den Posteingang des Empf\u00e4ngers. Ein Hard Bounce tritt bei einer ung\u00fcltigen E-Mail-Adresse, einem inaktiven Posteingangsserver oder aufgrund [&hellip;]<\/p>\n","protected":false},"template":"","meta":{"_acf_changed":false},"class_list":["post-5401","glossary","type-glossary","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hard Bounce \u2013 Glossar der E-Mail-Begriffe | Mailgun<\/title>\n<meta name=\"description\" content=\"Ein Hard Bounce ist ein dauerhafter Zustellungsausfall: E-Mails werden nicht an den Posteingang zugestellt. 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