{"id":1570,"date":"2021-06-15T14:36:00","date_gmt":"2021-06-15T11:36:00","guid":{"rendered":"https:\/\/uzmanposta.com\/blog\/?p=1570"},"modified":"2025-06-10T20:55:13","modified_gmt":"2025-06-10T17:55:13","slug":"mail-delivery-system-hatasi","status":"publish","type":"post","link":"https:\/\/uzmanposta.com\/blog\/mail-delivery-system-hatasi\/","title":{"rendered":"Mail Delivery Subsystem Hatas\u0131 Nedenleri ve \u00c7\u00f6z\u00fcmleri"},"content":{"rendered":"\n<p>Birine bir e-posta g\u00f6nderdi\u011finizde, e-posta al\u0131c\u0131ya ula\u015fmadan \u00f6nce arka u\u00e7ta bir\u00e7ok i\u015flem yap\u0131l\u0131r. S\u00fcre\u00e7lerin a\u015fa\u011f\u0131daki \u015fekilde i\u015fler:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>E-posta istemcinizden bir e-posta olu\u015fturup g\u00f6nderirsiniz.<\/li><li>E-posta istemcisi,<strong> \u201cGiden SMTP\u201d<\/strong> sunucusuna ba\u011flan\u0131r ve e-postay\u0131 <strong>\u201cMIME\u201d<\/strong> format\u0131nda teslim eder.<\/li><li>Giden SMTP, g\u00f6nderen ayr\u0131nt\u0131lar\u0131n\u0131 do\u011frular ve mesaj\u0131 g\u00f6ndermek i\u00e7in i\u015fler ve giden kuyru\u011funa yerle\u015ftirir.<\/li><li>SMTP sunucusu, al\u0131c\u0131 adresindeki etki alan\u0131 ayr\u0131nt\u0131lar\u0131na g\u00f6re etki alan\u0131n\u0131n \u201c<strong>DNS Sunucusunu<\/strong>\u201d arar ve al\u0131c\u0131 etki alan\u0131n\u0131n Al\u0131c\u0131 sunucu bilgilerini al\u0131r.<\/li><li>Ard\u0131ndan SMTP Sunucusu, Al\u0131c\u0131 e-posta sunucusuna ba\u011flan\u0131r ve e-posta\u2019y\u0131 <strong>SMTP protokol\u00fc<\/strong> arac\u0131l\u0131\u011f\u0131yla g\u00f6nderir.<\/li><li>Al\u0131c\u0131 sunucusu s\u0131rayla al\u0131c\u0131 hesab\u0131n\u0131 do\u011frular ve e-posta\u2019y\u0131 kullan\u0131c\u0131lar\u0131n posta hesab\u0131na iletir.<\/li><li>Kullan\u0131c\u0131, e-posta istemcisini kullanarak al\u0131nan e-posta\u2019y\u0131 g\u00f6r\u00fcnt\u00fcler.<\/li><\/ul>\n\n\n\n<p>Peki e-posta hedefe ula\u015fmad\u0131\u011f\u0131nda ne olur?<\/p>\n\n\n\n<p>G\u00f6nderdi\u011finiz e-posta teslim edilmedi\u011finde, bir hata mesaj\u0131 al\u0131rs\u0131n\u0131z. Bir e-posta geri d\u00f6nen iletisi, e-posta\u2019n\u0131z\u0131n teslim edilmemesine neyin neden oldu\u011funu da size bildirir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Mail Delivery System Hatas\u0131n\u0131n Nedenleri Nelerdir?<\/h2>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"750\" height=\"375\" src=\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2021\/06\/mail-delivery-system-hatasinin-nedenleri-nelerdir.png\" alt=\"Mail Delivery System Hatas\u0131n\u0131n Nedenleri Nelerdir?\" class=\"wp-image-1576\" srcset=\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2021\/06\/mail-delivery-system-hatasinin-nedenleri-nelerdir.png 750w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2021\/06\/mail-delivery-system-hatasinin-nedenleri-nelerdir-300x150.png 300w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2021\/06\/mail-delivery-system-hatasinin-nedenleri-nelerdir-360x180.png 360w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure><\/div>\n\n\n\n<p>T\u00fcm e-posta\u2019lar\u0131n\u0131z\u0131n hedeflerine ula\u015fmas\u0131n\u0131 sa\u011flamak i\u00e7in bir<strong> e-posta teslim hatas\u0131n\u0131n<\/strong> (<strong>mail delivery system hatas\u0131<\/strong>) nedenlerini anlaman\u0131z \u00e7ok \u00f6nemlidir.&nbsp;<\/p>\n\n\n\n<p>Bir e-posta\u2019n\u0131n teslim edilememesinin bir\u00e7ok nedeni vard\u0131r. Bu nedenlerden en \u00f6nemlilerini a\u015fa\u011f\u0131da sizin i\u00e7in listeledik:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Bounces<\/h3>\n\n\n\n<p>Bir e-posta\u2019y\u0131 bazen \u00e7ok basit nedenlerden dolay\u0131 da teslim edemeyebilirsiniz. \u00d6rne\u011fin, al\u0131c\u0131n\u0131n e-posta alma kapasitesi doldu\u011funda veya adres mevcut olmad\u0131\u011f\u0131nda bir hata alabilirsiniz. E\u011fer al\u0131c\u0131n\u0131n e-posta kapasitesi dolmu\u015fsa, sadece biraz bekleyin ve e-posta\u2019n\u0131z\u0131 yeniden g\u00f6nderin.&nbsp; Adres mevcut de\u011filse, hesab\u0131 listenizden kald\u0131r\u0131n.&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"549\" height=\"140\" src=\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2021\/06\/mail-delivery-system-hatasi-1.png\" alt=\"\" class=\"wp-image-1572\" srcset=\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2021\/06\/mail-delivery-system-hatasi-1.png 549w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2021\/06\/mail-delivery-system-hatasi-1-300x77.png 300w\" sizes=\"(max-width: 549px) 100vw, 549px\" \/><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">2. K\u00f6t\u00fc Ama\u00e7l\u0131 Yaz\u0131l\u0131m Sald\u0131r\u0131s\u0131 (Malware attack)<\/h3>\n\n\n\n<p>Hi\u00e7 g\u00f6ndermedi\u011finiz e-posta\u2019lar i\u00e7in <strong>\u201cMail Delivery Failure\u201d<\/strong> bildirimi ald\u0131\u011f\u0131n\u0131z oldu mu? Cevab\u0131n\u0131z evetse, k\u00f6t\u00fc ama\u00e7l\u0131 bir yaz\u0131l\u0131m sald\u0131r\u0131s\u0131na maruz kalm\u0131\u015f olabilirsiniz. B\u00f6yle bir durumda, bir vir\u00fcs, hesab\u0131n\u0131z\u0131 spam e-posta\u2019lar g\u00f6ndermek i\u00e7in kullan\u0131r. Bu y\u00fczden bir\u00e7ok <strong>e-posta teslim hatas\u0131 <\/strong>al\u0131rs\u0131n\u0131z.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. SMTP Sorunlar\u0131<\/h3>\n\n\n\n<p>Bir e-posta her zaman bir anti-spam filtresi taraf\u0131ndan engellenebilir, bu nedenle al\u0131c\u0131n\u0131n gelen kutusuna eri\u015femez.<\/p>\n\n\n\n<p>Peki bunun nedeni ne olabilir diyorsan\u0131z, sebep SMTP sunucunuz olabilir. G\u00f6nderici IP&#8217;sinin itibar\u0131 d\u00fc\u015f\u00fckse veya kara listeye al\u0131nm\u0131\u015fsa, al\u0131c\u0131 mesaj\u0131 kabul etmeyi reddedebilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Ge\u00e7ersiz Alan Ad\u0131 (Domain)<\/h3>\n\n\n\n<p>Ge\u00e7ersiz bir alan ad\u0131na e-posta g\u00f6nderdi\u011finizde, SMTP sunucusu belirli bir alan ad\u0131 i\u00e7in DNS bilgilerini arayamaz. Bu durumda, e-posta, SMTP sunucusunun kendisi taraf\u0131ndan teslim edilemedi\u011fi i\u00e7in geri d\u00f6ner.<\/p>\n\n\n\n<p>\u00d6rnek: isimsoyisim@alanadiniz.com e-posta adresinden bir tane harfi eksik girdi\u011finizi varsayal\u0131m. B\u00f6yle bir durumda ge\u00e7erli bir alan ad\u0131 olmayaca\u011f\u0131 i\u00e7in DNS Aramas\u0131 ba\u015far\u0131s\u0131z olur ve alan ad\u0131 ge\u00e7ersiz bi alan ad\u0131 olarak kabul edilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. MX Kayd\u0131 Bulunamad\u0131<\/h3>\n\n\n\n<p>Ge\u00e7erli bir alan ad\u0131na bir e-posta g\u00f6nderdi\u011finizde, alan ad\u0131 i\u00e7in MX kayd\u0131 yoksa, e-posta, SMTP sunucusu taraf\u0131ndan teslim edilemedi\u011fi i\u00e7in geri d\u00f6ner.<\/p>\n\n\n\n<p>MX kayd\u0131 sorgulamak i\u00e7in <a href=\"https:\/\/uzmanposta.com\/mx-sorgulama\/\">Uzman Posta MX Kayd\u0131 sorgulama arac\u0131ndan <\/a>yararlanabilirsiniz.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"331\" src=\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2021\/06\/mx-kaydi-sorgulama-1024x331.png\" alt=\"\" class=\"wp-image-1575\" srcset=\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2021\/06\/mx-kaydi-sorgulama-1024x331.png 1024w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2021\/06\/mx-kaydi-sorgulama-300x97.png 300w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2021\/06\/mx-kaydi-sorgulama-768x249.png 768w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2021\/06\/mx-kaydi-sorgulama-750x243.png 750w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2021\/06\/mx-kaydi-sorgulama-1140x369.png 1140w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2021\/06\/mx-kaydi-sorgulama.png 1270w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">6. E-posta Politikas\u0131 \u0130hlali<\/h3>\n\n\n\n<p>Al\u0131c\u0131 e-posta sunucusunun, gelen e-postalar i\u00e7in ge\u00e7erli baz\u0131 k\u0131s\u0131tlamalar\u0131 veya e-posta politikalar\u0131 olabilir. G\u00f6nderdi\u011finiz e-posta bu t\u00fcr politikalar\u0131 ihlal ediyorsa, e-posta\u2019n\u0131z al\u0131c\u0131 sunucu taraf\u0131ndan reddedilebilir.<\/p>\n\n\n\n<p>Yukar\u0131daki yayg\u0131n nedenlerin d\u0131\u015f\u0131nda, al\u0131c\u0131 e-posta sunucular\u0131, \u00e7e\u015fitli nedenler ve hatalar nedeniyle e-postalar\u0131 reddedebilir veya geri d\u00f6nd\u00fcrebilir. \u00c7o\u011fu zaman, geri d\u00f6nen e-posta, e-postan\u0131n reddedilme nedenini i\u00e7erir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Mail Delivery System Hatas\u0131n\u0131n \u00c7\u00f6z\u00fcmleri Nelerdir?<\/h2>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"750\" height=\"375\" src=\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2021\/06\/mail-delivery-system-hatasinin-cozumleri-nelerdir.png\" alt=\"Mail Delivery System Hatas\u0131n\u0131n \u00c7\u00f6z\u00fcmleri Nelerdir?\" class=\"wp-image-1577\" srcset=\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2021\/06\/mail-delivery-system-hatasinin-cozumleri-nelerdir.png 750w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2021\/06\/mail-delivery-system-hatasinin-cozumleri-nelerdir-300x150.png 300w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2021\/06\/mail-delivery-system-hatasinin-cozumleri-nelerdir-360x180.png 360w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">1. Girdi\u011finiz Adresin Do\u011fru Olup Olmad\u0131\u011f\u0131n\u0131 Kontrol Edin<\/h3>\n\n\n\n<p>isimsoyisim@alanadiniz.com e-posta adresinden bir tane harfi eksik girdi\u011finizde, <strong>e-posta teslim hatas\u0131 <\/strong>(<strong>mail delivery system hatas\u0131<\/strong>) alabilirsiniz. B\u00f6yle bir durumda girdi\u011finiz alan ad\u0131n\u0131 do\u011fru yaz\u0131p yazmad\u0131\u011f\u0131n\u0131z\u0131 kontrol edin.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Adresin Kullan\u0131p Kullan\u0131lmad\u0131\u011f\u0131n\u0131 Do\u011frulay\u0131n<\/h3>\n\n\n\n<p>\u00d6rne\u011fin, i\u015f yapt\u0131\u011f\u0131n\u0131z bir tedarik\u00e7inin pazarlama uzman\u0131na bir e-posta att\u0131\u011f\u0131n\u0131z\u0131 varsayal\u0131m. Bu ki\u015fi i\u015ften \u00e7\u0131kt\u0131ysa ve art\u0131k o e-posta adresi kullan\u0131lm\u0131yorsa, e-posta\u2019n\u0131z b\u00f6yle bir adres olmad\u0131\u011f\u0131 i\u00e7in teslim edilmez. B\u00f6yle bir durumda kar\u015f\u0131 taraf\u0131 aray\u0131p bilgilendirme isteyin.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Kar\u015f\u0131 Taraf\u0131n MX Kayd\u0131 Kontrol\u00fcn\u00fc Yapmas\u0131n\u0131 Sa\u011flay\u0131n<\/h3>\n\n\n\n<p>Bu tamamen al\u0131c\u0131 alan\u0131ndaki bir sorundan kaynaklan\u0131r ve al\u0131c\u0131n\u0131n y\u00f6neticisi taraf\u0131ndan \u00e7\u00f6z\u00fclebilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Sisteminizin G\u00fcvenli\u011fini Sa\u011flay\u0131n<\/h3>\n\n\n\n<p>Sisteminizin g\u00fcvenli\u011fini sa\u011flamak i\u00e7in Microsoft Security Essentials, AVG veya Avast gibi \u00fccretsiz vir\u00fcsten koruma programlar\u0131 kullan\u0131n veya birinci s\u0131n\u0131f bir vir\u00fcsten koruma program\u0131na yat\u0131r\u0131m yap\u0131n.<\/p>\n\n\n\n<p>Yukar\u0131da e-posta teslim hatas\u0131 (mail delivery system hatas\u0131)&nbsp; ile nas\u0131l ba\u015fa \u00e7\u0131kabilece\u011finizi basit\u00e7e anlatt\u0131k.<\/p>\n\n\n\n<p>Arada s\u0131rada siz de e-posta geri d\u00f6n\u00fc\u015f\u00fc ya\u015f\u0131yorsan\u0131z, farkl\u0131 bir e-posta servis sa\u011flay\u0131c\u0131ya ge\u00e7meyi d\u00fc\u015f\u00fcnebilirsiniz.<\/p>\n\n\n\n<p>Profesyonel bir<a href=\"https:\/\/uzmanposta.com\/kurumsal-e-posta\/\"> e-posta hizmeti <\/a>ar\u0131yorsan\u0131z, Uzman Posta web sitesine gelin, 45 g\u00fcnl\u00fck \u00fccretsiz deneme s\u00fcr\u00fcm\u00fcm\u00fcz\u00fc deneyimleyerek, tam bir ay boyunca Uzman Posta\u2019n\u0131n kesintisiz e-posta servisini deneyimleyin.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p><strong>\u0130lgili \u0130\u00e7erikler:<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/uzmanposta.com\/blog\/outlook-e-mail-geri-cekme\/\">Outlook E-Mail Geri \u00c7ekme, Yanl\u0131\u015fl\u0131kla G\u00f6nderilen E-Postay\u0131 Geri \u00c7ekme<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/uzmanposta.com\/blog\/microsoft-exchange-baglantisi-kullanilamiyor-hatasi-ve-cozumu\/\">Microsoft Exchange Ba\u011flant\u0131s\u0131 Kullan\u0131lam\u0131yor Hatas\u0131 ve \u00c7\u00f6z\u00fcm\u00fc<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/uzmanposta.com\/blog\/e-posta-e-mail-yonlendirme\/\">Gelen Bir E-postay\u0131 Ba\u015fka Bir E-mail Adresine Y\u00f6nlendirme<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/uzmanposta.com\/blog\/istenmeyen-e-posta\/\">\u0130stenmeyen E-Posta Nedir? \u0130stenmeyen Mailleri Engelleme<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/uzmanposta.com\/blog\/mail-engelleme\/\">Mail Engelleme, Gelen E-Postalar Nas\u0131l Engellenir?<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/uzmanposta.com\/blog\/gonderilen-maili-geri-alma-cagirma-degistirme\/\">Maili Geri \u00c7ekme, G\u00f6nderilen E-Maili Geri Alma, \u00c7a\u011f\u0131rma, De\u011fi\u015ftirme<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/uzmanposta.com\/blog\/email-e-posta-hatalari-ve-cozumleri\/\">Email ve E-Posta Hatalar\u0131 ve \u00c7\u00f6z\u00fcmleri<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/uzmanposta.com\/blog\/geri-donen-reddedilen-e-posta-ve-cozumleri\/\">Geri D\u00f6nen veya Reddedilen E-posta ve \u00c7\u00f6z\u00fcmleri<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/uzmanposta.com\/blog\/hard-bounce-ve-soft-bounce-nedir\/\">Hard Bounce ve Soft Bounce Nedir?<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/uzmanposta.com\/blog\/e-posta-sunucu-hatasi\/\">E-posta Sunucu Hatas\u0131 Nas\u0131l D\u00fczeltilir?<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Birine bir e-posta g\u00f6nderdi\u011finizde, e-posta al\u0131c\u0131ya ula\u015fmadan \u00f6nce arka u\u00e7ta bir\u00e7ok i\u015flem yap\u0131l\u0131r. S\u00fcre\u00e7lerin a\u015fa\u011f\u0131daki \u015fekilde i\u015fler: E-posta istemcinizden bir e-posta olu\u015fturup g\u00f6nderirsiniz. E-posta istemcisi, \u201cGiden SMTP\u201d sunucusuna ba\u011flan\u0131r ve e-postay\u0131 \u201cMIME\u201d format\u0131nda teslim eder. Giden SMTP, g\u00f6nderen ayr\u0131nt\u0131lar\u0131n\u0131 do\u011frular ve mesaj\u0131 g\u00f6ndermek i\u00e7in i\u015fler ve giden kuyru\u011funa yerle\u015ftirir. SMTP sunucusu, al\u0131c\u0131 adresindeki etki alan\u0131 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":1574,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[87,1],"tags":[],"class_list":["post-1570","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-e-mail-e-posta","category-nedir-nasil-yapilir"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mail Delivery Subsystem Hatas\u0131 Nedenleri ve \u00c7\u00f6z\u00fcmleri - Uzman Posta<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/uzmanposta.com\/blog\/mail-delivery-system-hatasi\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mail Delivery Subsystem Hatas\u0131 Nedenleri ve \u00c7\u00f6z\u00fcmleri - Uzman Posta\" \/>\n<meta property=\"og:description\" content=\"Birine bir e-posta g\u00f6nderdi\u011finizde, e-posta al\u0131c\u0131ya ula\u015fmadan \u00f6nce arka u\u00e7ta bir\u00e7ok i\u015flem yap\u0131l\u0131r. S\u00fcre\u00e7lerin a\u015fa\u011f\u0131daki \u015fekilde i\u015fler: E-posta istemcinizden bir e-posta olu\u015fturup g\u00f6nderirsiniz. E-posta istemcisi, \u201cGiden SMTP\u201d sunucusuna ba\u011flan\u0131r ve e-postay\u0131 \u201cMIME\u201d format\u0131nda teslim eder. Giden SMTP, g\u00f6nderen ayr\u0131nt\u0131lar\u0131n\u0131 do\u011frular ve mesaj\u0131 g\u00f6ndermek i\u00e7in i\u015fler ve giden kuyru\u011funa yerle\u015ftirir. 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