{"id":5316,"date":"2025-02-22T17:36:01","date_gmt":"2025-02-22T14:36:01","guid":{"rendered":"https:\/\/uzmanposta.com\/blog\/?p=5316"},"modified":"2025-02-22T17:36:29","modified_gmt":"2025-02-22T14:36:29","slug":"mta-sts-nedir-mta-sts-kaydi-nasil-olusturulur","status":"publish","type":"post","link":"https:\/\/uzmanposta.com\/blog\/mta-sts-nedir-mta-sts-kaydi-nasil-olusturulur\/","title":{"rendered":"MTA-STS Nedir? MTA-STS Kayd\u0131 Nas\u0131l Olu\u015fturulur?"},"content":{"rendered":"\n<p>E-posta g\u00f6ndermek, metin i\u00e7eri\u011fi yazmak ve &#8220;G\u00f6nder&#8221; butonuna basmak kadar basittir. Ancak arka plandaki i\u015flemler o kadar da basit de\u011fildir. Bu e-postay\u0131 di\u011fer uca g\u00fcvenli bir \u015fekilde ula\u015ft\u0131rmak i\u00e7in \u00e7ok say\u0131da donan\u0131m, yaz\u0131l\u0131m, a\u011f ve protokol gerekir.<\/p>\n\n\n\n<p><a href=\"https:\/\/uzmanposta.com\/blog\/spf-dkim-dmarc\/\">SPF, DKIM ve DMARC<\/a> gibi e-posta kimlik do\u011frulama mekanizmalar\u0131, spam ve sahte e-postalar filtrelenirken yaln\u0131zca me\u015fru e-postalar\u0131n son hedeflerine ula\u015fmas\u0131n\u0131 sa\u011flamada \u00f6nemli bir rol oynar. Ancak bunlar u\u00e7tan uca e-posta g\u00fcvenli\u011fini sa\u011flamaz, \u00e7\u00fcnk\u00fc e-postalar <a href=\"https:\/\/uzmanposta.com\/blog\/smtp-nedir\/\">SMTP<\/a> kullanan posta sunucular\u0131 aras\u0131nda aktar\u0131l\u0131rken Ortadaki Adam sald\u0131r\u0131lar\u0131na kar\u015f\u0131 savunmas\u0131zd\u0131r.<\/p>\n\n\n\n<p>Bu ama\u00e7la, Mail Transfer Agent &#8211; Strict Transport Security (MTA-STS) olarak bilinen nispeten daha yeni bir teknoloji tan\u0131t\u0131lm\u0131\u015ft\u0131r.&nbsp;<\/p>\n\n\n\n<p>Peki MTA-STS teknolojisi tam olarak nedir?<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">MTA-STS Nedir?&nbsp;<\/h2>\n\n\n\n<p>Mail Transfer Agent Strict Transport Security (MTA-STS), SMTP \u00fczerinden e-posta iletimlerini \u015fifrelemek i\u00e7in tasarlanm\u0131\u015f bir g\u00fcvenlik standard\u0131d\u0131r. Yerel g\u00fcvenlik \u00f6zelliklerinden yoksun olan geleneksel SMTP&#8217;nin aksine MTA-STS, sunucu kimliklerini do\u011frulayarak ve TLS \u015fifrelemesini kullanarak e-posta iletimi i\u00e7in g\u00fcvenli bir kanal sa\u011flar.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Tarih\u00e7e<\/h3>\n\n\n\n<p>SMTP ilk olarak 1982 y\u0131l\u0131nda herhangi bir yerle\u015fik g\u00fcvenlik \u00f6zelli\u011fi olmadan kullan\u0131ma sunulmu\u015ftur. STARTTLS 1999 y\u0131l\u0131nda bir miktar \u015fifreleme sa\u011flamak i\u00e7in eklenmi\u015f olsa da, <a href=\"https:\/\/uzmanposta.com\/blog\/man-in-the-middle-atagi-mitm\/\">Ortadaki Adam (MITM)<\/a> sald\u0131r\u0131lar\u0131n\u0131 \u00f6nlemek i\u00e7in daha fazlas\u0131na ihtiya\u00e7 vard\u0131. Bu da e-postay\u0131 \u015fifreleyen ve sunucunun kimli\u011fini do\u011frulayan MTA-STS&#8217;nin geli\u015ftirilmesine yol a\u00e7t\u0131.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">MTA-STS&#8217;ye Neden \u0130htiya\u00e7 Duyulur?<\/h2>\n\n\n\n<p>MTA-STS, posta sunucusunun bir bilgisayar korsan\u0131 ile de\u011fil, e-postay\u0131 aktarma yetkisine sahip yetkili SMTP sunucusuyla ileti\u015fim kurmas\u0131n\u0131 sa\u011flar. Bu ayn\u0131 zamanda postan\u0131n i\u00e7eri\u011finin de\u011fi\u015ftirilmemi\u015f olmas\u0131n\u0131 da sa\u011flar (DKIM&#8217;in dijital imzas\u0131 taraf\u0131ndan do\u011frulan\u0131r).<\/p>\n\n\n\n<p>Hi\u00e7bir g\u00fcvenlik \u00f6nlemi %100 kusursuz olmasa da, MTA-STS, TLS raporlama ile birle\u015fti\u011finde ekstra bir g\u00fcvenlik katman\u0131 ekler. MTA-STS&#8217;nin yerine kullan\u0131lan eski protokol olan STARTTLS, her ba\u011flant\u0131 i\u00e7in TLS \u015fifrelemesini her zaman sa\u011flamad\u0131\u011f\u0131 i\u00e7in bilgisayar korsanlar\u0131na hareket alan\u0131 b\u0131rak\u0131yordu. Fakat MTA-STS bu sorunu \u00e7\u00f6zerek s\u00fcr\u00fcm d\u00fc\u015f\u00fcrme sald\u0131r\u0131lar\u0131n\u0131n \u00f6n\u00fcne ge\u00e7mi\u015ftir.<\/p>\n\n\n\n<p>Ayr\u0131ca, Man-in-the-Middle sald\u0131r\u0131lar\u0131n\u0131 da ortadan kald\u0131r\u0131r ve postan\u0131n i\u00e7eri\u011fini ve g\u00f6ndericisini gizli ve istismar edilmemi\u015f tutar. Ek olarak, s\u00fcresi dolmu\u015f <a href=\"https:\/\/uzmanposta.com\/blog\/tls\/\">TLS<\/a> sertifikalar\u0131 sorununu da ele al\u0131r.<\/p>\n\n\n\n<p>\u00d6te yandan, TLS raporlamas\u0131 da birka\u00e7 avantaj sa\u011flar. TLS raporlama, ba\u015far\u0131l\u0131 veya ba\u015far\u0131s\u0131z olan e-posta ba\u011flant\u0131lar\u0131 hakk\u0131nda sizi bilgilendirir ve TLS anla\u015fmas\u0131yla ilgili sorunlar\u0131n te\u015fhis edilmesine yard\u0131mc\u0131 olur.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">MTA-STS i\u00e7in Gereklilikler<\/h2>\n\n\n\n<p>Bir e-posta g\u00fcvenlik teknolojisi olmas\u0131na ra\u011fmen herkes kendi alan ad\u0131 i\u00e7in MTA-STS&#8217;yi yap\u0131land\u0131ramaz. MTA-STS&#8217;yi yap\u0131land\u0131rabilmeniz i\u00e7in posta sunucusu taraf\u0131ndan belirli ko\u015fullar\u0131n kar\u015f\u0131lanmas\u0131 gerekir, bunlar a\u015fa\u011f\u0131daki gibidir:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>TLS ba\u011flant\u0131s\u0131 \u00fczerinden posta transferlerini kabul edebilen bir sunucu<\/li><li>En az\u0131ndan TLS s\u00fcr\u00fcm 1.2&#8217;yi kullan\u0131r.<\/li><li>TLS sertifikalar\u0131 g\u00fcncel olmal\u0131d\u0131r ve <a href=\"https:\/\/uzmanposta.com\/mx-sorgulama\/\">MX kay\u0131tlar\u0131<\/a>n\u0131zda belirtilen sunuculara sahip olmal\u0131d\u0131r.<\/li><li>K\u00f6k sertifika yetkilisi taraf\u0131ndan g\u00fcvenilir olmal\u0131d\u0131r.<\/li><\/ul>\n\n\n\n<p>Posta sunucunuz bu gereksinimleri kar\u015f\u0131l\u0131yorsa, e-posta g\u00fcvenli\u011finizi art\u0131rmak i\u00e7in \u00fczerinde MTA-STS yap\u0131land\u0131rabilirsiniz.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">MTA-STS Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/h2>\n\n\n\n<p>MTA-STS bir <a href=\"https:\/\/uzmanposta.com\/blog\/dns-nedir-dns-ayarlari-degistirme\/\">DNS kayd\u0131<\/a> ve tan\u0131mlanm\u0131\u015f bir politika ile birlikte \u00e7al\u0131\u015f\u0131r. Ancak, g\u00f6r\u00fcnd\u00fc\u011f\u00fcnden daha fazlas\u0131d\u0131r.<\/p>\n\n\n\n<p>Do\u011fru yap\u0131land\u0131r\u0131lm\u0131\u015f bir MTA-STS standard\u0131n\u0131n 3 par\u00e7as\u0131 vard\u0131r:<\/p>\n\n\n\n<ul class=\"wp-block-list\" style=\"font-size:14px\"><li>Bir MTA-STS politikas\u0131n\u0131n yap\u0131land\u0131r\u0131ld\u0131\u011f\u0131n\u0131 tan\u0131mlayan bir DNS TXT kayd\u0131.<\/li><li>Bir DNS TXT kayd\u0131, ba\u015far\u0131s\u0131z TLS ba\u011flant\u0131lar\u0131 i\u00e7in raporlar\u0131n al\u0131naca\u011f\u0131 e-posta adresini tan\u0131mlar. Bu TXT kayd\u0131n\u0131n iste\u011fe ba\u011fl\u0131 oldu\u011funu ve yaln\u0131zca TLS raporlamas\u0131 istiyorsan\u0131z gerekli oldu\u011funu unutmay\u0131n.<\/li><li>TLS ba\u011flant\u0131s\u0131 olmadan teslim edilen e-postalar\u0131n nas\u0131l i\u015flenece\u011fini kontrol eden, herkese a\u00e7\u0131k olan ve DNS sunucusu yerine bar\u0131nd\u0131rma \u00fczerinde tan\u0131mlanan d\u00fcz metin dosyas\u0131.&nbsp;<\/li><\/ul>\n\n\n\n<p>Posta sunucunuz bir e-posta ald\u0131\u011f\u0131nda, ba\u015fl\u0131\u011f\u0131n\u0131 kullanarak g\u00f6nderen alan ad\u0131 i\u00e7in bir DNS kayd\u0131 aramas\u0131 ger\u00e7ekle\u015ftirir. Alan ad\u0131n\u0131n bir TLS ba\u011flant\u0131s\u0131n\u0131 destekledi\u011fini bulur ve bir TLS el s\u0131k\u0131\u015fmas\u0131 ba\u015flat\u0131r. Ayn\u0131 anda, MTA-STS DNS kayd\u0131 posta sunucusunun bir kural dosyas\u0131n\u0131 nereden alabilece\u011fini belirtir. Kural dosyas\u0131 HTTPS arac\u0131l\u0131\u011f\u0131yla getirilir ve sertifikalarla do\u011frulan\u0131r.<\/p>\n\n\n\n<p>Kural dosyas\u0131 al\u0131nd\u0131\u011f\u0131nda, g\u00f6nderen SMTP sunucusu al\u0131c\u0131 alan ad\u0131n\u0131n MTA-STS kural\u0131n\u0131 kontrol eder. TLS ba\u011flant\u0131s\u0131 ba\u015far\u0131l\u0131ysa ve kural izin veriyorsa, e-posta al\u0131c\u0131n\u0131n gelen kutusuna iletilir. TLS ba\u011flant\u0131s\u0131 ba\u015far\u0131s\u0131z olursa ve kural bunu reddedecek \u015fekilde yap\u0131land\u0131r\u0131lm\u0131\u015fsa, e-posta reddedilir.<\/p>\n\n\n\n<p>Bu arada, TLS raporlar\u0131 ba\u015far\u0131l\u0131 ve ba\u015far\u0131s\u0131z ba\u011flant\u0131lar hakk\u0131nda geri bildirim sa\u011flamaya devam eder ve yap\u0131land\u0131r\u0131lm\u0131\u015fsa y\u00f6neticilerin sorunlar\u0131 tan\u0131mlamas\u0131na yard\u0131mc\u0131 olur.<\/p>\n\n\n\n<p>Bu, MTA-STS&#8217;nin topolojik i\u015flevini a\u00e7\u0131klar. Alan ad\u0131n\u0131z i\u00e7in MTA-STS&#8217;yi yap\u0131land\u0131rmaya \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131zda bu daha da netle\u015fir.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">MTA-STS DNS Kay\u0131tlar\u0131 Nas\u0131l Yap\u0131land\u0131r\u0131l\u0131r?<\/h2>\n\n\n\n<p>MTA-STS iki par\u00e7al\u0131 bir DNS kayd\u0131na sahiptir. Biri sunucunun TLS ba\u011flant\u0131s\u0131n\u0131 destekledi\u011fini tan\u0131mlarken, di\u011feri iste\u011fe ba\u011fl\u0131 olan TLS raporlar\u0131n\u0131n nereye g\u00f6nderilece\u011fini belirtir.<\/p>\n\n\n\n<p>Sunucunun TLS ba\u011flant\u0131lar\u0131n\u0131 destekledi\u011fini tan\u0131mlayan ilk DNS kayd\u0131 a\u015fa\u011f\u0131daki gibi adland\u0131r\u0131lm\u0131\u015ft\u0131r:<\/p>\n\n\n\n<p><kbd>_mta-sts.alanadiniz.com<\/kbd><\/p>\n\n\n\n<p>&#8220;<kbd>_mta.sts<\/kbd>&#8220;, de\u011ferini tan\u0131mlamak i\u00e7in kullan\u0131lan a\u015fa\u011f\u0131daki etiketlere sahiptir:<\/p>\n\n\n\n<figure class=\"wp-block-table\" style=\"font-size:14px\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Etiket<\/strong><\/td><td><strong>A\u00e7\u0131klama<\/strong><\/td><\/tr><tr><td><strong>v<\/strong><\/td><td>MTA-STS s\u00fcr\u00fcm\u00fcn\u00fc tan\u0131mlar. \u015eu anda ge\u00e7erli olan tek s\u00fcr\u00fcm &#8221;STSv1&#8221;<\/td><\/tr><tr><td><strong>id<\/strong><\/td><td>Politikay\u0131 izlemek i\u00e7in kullan\u0131lan 32 alfan\u00fcmerik uzunlu\u011fa kadar alfan\u00fcmerik bir dizedir. E-posta hizmet sa\u011flay\u0131c\u0131n\u0131z taraf\u0131ndan sa\u011flanmad\u0131ysa, benzersiz bir say\u0131 olu\u015fturabilir veya bir MTA-STS kay\u0131t olu\u015fturucu kullanabilirsiniz.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>TLS raporlamas\u0131n\u0131 ayarlamak i\u00e7in kullan\u0131lan di\u011fer MTA-STS DNS kayd\u0131 a\u015fa\u011f\u0131daki isimlendirmeye sahiptir:<\/p>\n\n\n\n<p><kbd>_smtp.tls.alanadiniz.com<\/kbd><\/p>\n\n\n\n<p>&#8220;<kbd>_smtp.tls<\/kbd>&#8220;, de\u011ferlerini tan\u0131mlamak i\u00e7in a\u015fa\u011f\u0131daki etiketlere sahiptir:<\/p>\n\n\n\n<figure class=\"wp-block-table\" style=\"font-size:14px\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Etiket<\/strong><\/td><td><strong>A\u00e7\u0131klama<\/strong><\/td><\/tr><tr><td><strong>v<\/strong><\/td><td>TLS rapor s\u00fcr\u00fcm\u00fcn\u00fc tan\u0131mlar. \u015eu anda ge\u00e7erli olan tek s\u00fcr\u00fcm &#8221;TLSRPTv1&#8221;dir.<\/td><\/tr><tr><td><strong>rua<\/strong><\/td><td>TLS raporlar\u0131n\u0131n al\u0131naca\u011f\u0131 e-posta adresini tan\u0131mlar. &#8221;rua&#8221; kelimesinin ard\u0131ndan &#8221;mailto:&#8221; gelir ve bunu e-posta adresi takip eder.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Bunlar\u0131 DNS&#8217;inizde yap\u0131land\u0131rmak i\u00e7in a\u015fa\u011f\u0131daki basit ad\u0131mlar\u0131 kullanabilirsiniz:<\/p>\n\n\n\n<p>Not: DNS sunucusu herkes i\u00e7in farkl\u0131 olabilir, bu nedenle ad\u0131mlar ve ekran g\u00f6r\u00fcnt\u00fcleri de\u011fi\u015fiklik g\u00f6sterebilir. Bununla birlikte, ayn\u0131 mant\u0131k ge\u00e7erlidir.<\/p>\n\n\n\n<p>1. DNS sunucunuzda y\u00f6netici olarak oturum a\u00e7\u0131n.<\/p>\n\n\n\n<p>2. &#8220;<strong>Kay\u0131t Ekle (Add Record)<\/strong>&#8220;ye ve ard\u0131ndan &#8220;<strong>TXT Kayd\u0131 Ekle (Add TXT Record)<\/strong>&#8220;ye t\u0131klay\u0131n.<\/p>\n\n\n\n<p>3. Alan ad\u0131n\u0131z\u0131 kullanarak MTA-STS kayd\u0131 i\u00e7in a\u015fa\u011f\u0131daki gibi bir ad girin:<\/p>\n\n\n\n<p>_<kbd>mta-sts.alanadiniz.com<\/kbd><\/p>\n\n\n\n<p>4. \u015eimdi de\u011fi\u015fkenleri de\u011fi\u015ftirirken a\u015fa\u011f\u0131daki s\u00f6zdizimini kullan\u0131n ve Kay\u0131t (Record) alan\u0131na yap\u0131\u015ft\u0131r\u0131n.<\/p>\n\n\n\n<p>&#8220;<strong>YourID<\/strong>&#8221; k\u0131sm\u0131na e-posta servis sa\u011flay\u0131c\u0131n\u0131z taraf\u0131ndan sa\u011flanan bir ID koymay\u0131 veya kendiniz bir ID olu\u015fturmay\u0131 unutmay\u0131n.<\/p>\n\n\n\n<p><kbd>v=STSv1; id=[YourID]<\/kbd><\/p>\n\n\n\n<p>5. Kayd\u0131n ne kadar s\u00fcreyle \u00f6nbelle\u011fe al\u0131naca\u011f\u0131n\u0131 g\u00f6steren Time To Live (TTL) de\u011ferini ayarlayabilirsiniz. [\u0130ste\u011fe ba\u011fl\u0131]<\/p>\n\n\n\n<p>6. \u0130\u015finiz bitti\u011finde Save Record\u2019a (Kayd\u0131 Kaydet) t\u0131klay\u0131n.<\/p>\n\n\n\n<p>7. [\u0130ste\u011fe ba\u011fl\u0131] Yukar\u0131daki ad\u0131mlar\u0131 tekrarlayabilir ve TLS raporu DNS kayd\u0131 olu\u015fturmak i\u00e7in a\u015fa\u011f\u0131daki TXT dosya ad\u0131n\u0131 ve de\u011ferlerini kullanabilirsiniz:<\/p>\n\n\n\n<p><strong>Name:<\/strong><\/p>\n\n\n\n<p><kbd>_smtp.tls.alanadiniz.com<\/kbd><\/p>\n\n\n\n<p><strong>Value (De\u011fer):<\/strong><\/p>\n\n\n\n<p><kbd>v=TLSRPv1; rua=mailto:[Email Adresi]<\/kbd><\/p>\n\n\n\n<p>8. \u0130\u015finiz bitti\u011finde &#8220;Save Record (Kayd\u0131 Kaydet)&#8221;e t\u0131klay\u0131n.<\/p>\n\n\n\n<p>Bu ad\u0131mlar\u0131 tamamlad\u0131\u011f\u0131n\u0131zda, alan ad\u0131n\u0131z i\u00e7in MTA-STS kay\u0131tlar\u0131n\u0131 ba\u015far\u0131yla yap\u0131land\u0131rm\u0131\u015f olacaks\u0131n\u0131z. Ancak yine de hosting \u00fczerinde MTA-STS politikas\u0131n\u0131 yap\u0131land\u0131rman\u0131z gerekir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">MTA-STS Kural Metin Dosyas\u0131 Nas\u0131l Yap\u0131land\u0131r\u0131l\u0131r?<\/h2>\n\n\n\n<p>MTA-STS kay\u0131tlar\u0131 TLS kural\u0131n\u0131 alan ad\u0131n\u0131z\u0131n sunucusunda depolanan d\u00fcz metin dosyas\u0131ndan al\u0131r. Bu dosyay\u0131 yap\u0131land\u0131rmadan \u00f6nce anlaman\u0131z gereken birka\u00e7 kural vard\u0131r:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>MTA-STS kural dosyas\u0131 \u015fu isimlendirmeye sahiptir: &#8220;<kbd>mta-sts.txt<\/kbd>&#8220;<\/li><li>Kural dosyas\u0131 her zaman \u015fu adreste saklan\u0131r\/olu\u015fturulur: https:\/\/mta-sts.alanadiniz.com\/.well-known\/mta-sts.txt<\/li><\/ul>\n\n\n\n<p>Bu kurallara uymak i\u00e7in hen\u00fcz mevcut de\u011filse &#8220;mta-sts.alanadi.com&#8221; alt alan ad\u0131n\u0131 olu\u015fturman\u0131z gerekebilir. Ayr\u0131ca, hen\u00fcz mevcut de\u011filse, alt alan ad\u0131nda &#8220;.well-known&#8221; klas\u00f6r\u00fcn\u00fc de olu\u015fturman\u0131z gerekebilir.<\/p>\n\n\n\n<p>Bu ko\u015fullar\u0131n her ikisi de sa\u011fland\u0131ktan sonra MTA-STS politikas\u0131n\u0131 tan\u0131mlayan d\u00fcz metin dosyas\u0131n\u0131 olu\u015fturmaya devam edebilirsiniz. Bunu yapmadan \u00f6nce kural i\u00e7inde kullan\u0131lan etiketleri ve ne anlama geldiklerini a\u015fa\u011f\u0131daki tabloda bulabilirsiniz:<\/p>\n\n\n\n<figure class=\"wp-block-table\" style=\"font-size:14px\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Etiket<\/strong><\/td><td><strong>\u00d6rnek<\/strong><\/td><td><strong>A\u00e7\u0131klama<\/strong><\/td><\/tr><tr><td><strong>Versiyon<\/strong><\/td><td>versiyon: STSv1<\/td><td>STS s\u00fcr\u00fcm\u00fcn\u00fc tan\u0131mlar. \u015eu anda sadece &#8220;STSv1&#8221; ge\u00e7erli bir de\u011ferdir.<\/td><\/tr><tr><td><strong>mode<\/strong><\/td><td>mode: enforce<br><\/td><td>TLS olmayan ortam \u00fczerinden al\u0131nan e-postalarla nas\u0131l ba\u015fa \u00e7\u0131k\u0131laca\u011f\u0131n\u0131 tan\u0131mlar. Kabul edilebilir se\u00e7enekler none, enforce ve testtir.<\/td><\/tr><tr><td><strong>mx<\/strong><\/td><td>sirketadi.com<\/td><td>Alan ad\u0131n\u0131z i\u00e7in Mail Exchange sunucusunu tan\u0131mlar. Birden fazla mx kayd\u0131 varsa birden fazla mx giri\u015fi ekleyebilirsiniz.<br><\/td><\/tr><tr><td><strong>max_age<\/strong><\/td><td>max_age: 86400<\/td><td>Bir g\u00fcncelleme gerekli olduktan sonra kural i\u00e7in \u00f6nbelle\u011fe al\u0131nan s\u00fcreyi belirtir. Say\u0131 saniye cinsinden ifade edilir ve test modu i\u00e7in 604.800 ile 1.209.600 (1-2 hafta) aras\u0131nda; zorlama modu i\u00e7in 24 saat (86.400 saniye) ile 31.557.600 (bir y\u0131l) aras\u0131nda olmal\u0131d\u0131r.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>MTA-STS kural dosyas\u0131 i\u00e7in etiketlerin \u00e7o\u011fu, &#8220;<strong>mode<\/strong>&#8221; etiketinin de\u011ferleri hari\u00e7 yukar\u0131daki tablo kullan\u0131larak a\u00e7\u0131klanabilir. Bu de\u011ferlerin her birinin anlam\u0131 budur:<\/p>\n\n\n\n<ul class=\"wp-block-list\" style=\"font-size:14px\"><li><strong>test:<\/strong> TLS&#8217;yi ge\u00e7emeyen e-postalar engellenmez, ancak TLS raporlar\u0131n\u0131 kullanarak bunlar hakk\u0131nda veri toplayabilirsiniz.&nbsp;<\/li><li><strong>enforce: <\/strong>Bu modda, TLS&#8217;nin ba\u015far\u0131s\u0131z olmas\u0131 e-postalar\u0131n reddedilece\u011fi anlam\u0131na gelir. Yap\u0131land\u0131r\u0131lm\u0131\u015fsa TLS raporlar\u0131 almaya devam edersiniz.<\/li><li><strong>none:<\/strong> MTA-STS dosyan\u0131zdaki none kural\u0131, kural\u0131n tamamen devre d\u0131\u015f\u0131 b\u0131rak\u0131lmas\u0131 anlam\u0131na gelir.<\/li><\/ul>\n\n\n\n<p>Bu bilgilerle, art\u0131k MTA-STS politikan\u0131z\u0131 yap\u0131land\u0131rabilmeniz gerekir; bu politika a\u015fa\u011f\u0131daki gibi g\u00f6r\u00fcnmelidir:<\/p>\n\n\n\n<p><code>version: STSv1<\/code><\/p>\n\n\n\n<p><code>mode: enforce<\/code><\/p>\n\n\n\n<p><code>mx: sirketadi.com<\/code><\/p>\n\n\n\n<p><code>max_age: 86400<\/code><\/p>\n\n\n\n<p>Hem MTA-STS DNS kay\u0131tlar\u0131n\u0131 hem de kural\u0131 yap\u0131land\u0131rd\u0131ktan sonra yap\u0131land\u0131rman\u0131n yay\u0131lmas\u0131 i\u00e7in bir s\u00fcre bekleyin. Bu s\u00fcre sonunda kayd\u0131n do\u011fru \u015fekilde yap\u0131land\u0131r\u0131lmas\u0131 gerekir.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>E-posta g\u00f6ndermek, metin i\u00e7eri\u011fi yazmak ve &#8220;G\u00f6nder&#8221; butonuna basmak kadar basittir. Ancak arka plandaki i\u015flemler o kadar da basit de\u011fildir. Bu e-postay\u0131 di\u011fer uca g\u00fcvenli bir \u015fekilde ula\u015ft\u0131rmak i\u00e7in \u00e7ok say\u0131da donan\u0131m, yaz\u0131l\u0131m, a\u011f ve protokol gerekir. SPF, DKIM ve DMARC gibi e-posta kimlik do\u011frulama mekanizmalar\u0131, spam ve sahte e-postalar filtrelenirken yaln\u0131zca me\u015fru e-postalar\u0131n son [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":5357,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86],"tags":[],"class_list":["post-5316","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guvenlik"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>MTA-STS Nedir? 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SPF, DKIM ve DMARC gibi e-posta kimlik do\u011frulama mekanizmalar\u0131, spam ve sahte e-postalar filtrelenirken yaln\u0131zca me\u015fru e-postalar\u0131n son [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/uzmanposta.com\/blog\/mta-sts-nedir-mta-sts-kaydi-nasil-olusturulur\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/uzmanposta\/\" \/>\n<meta property=\"article:published_time\" content=\"2025-02-22T14:36:01+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-02-22T14:36:29+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2025\/02\/mta-sts-nedir-mta-sts-kaydi-nasil-olusturulur.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Sibel Ho\u015f\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@uZmanPosta\" \/>\n<meta name=\"twitter:site\" content=\"@uZmanPosta\" \/>\n<meta name=\"twitter:label1\" content=\"Yazan:\" \/>\n\t<meta name=\"twitter:data1\" content=\"Sibel Ho\u015f\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tahmini okuma s\u00fcresi\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 dakika\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"MTA-STS Nedir? 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