E-posta kimlik do\u011frulamas\u0131, mesajlar\u0131n teslim edilmeden \u00f6nce sahte veya tahrif edilmedi\u011finden emin olmak i\u00e7in birden fazla y\u00f6ntem kullanma s\u00fcrecidir. Al\u0131c\u0131 taraf\u0131ndaki posta sunucular\u0131, e-posta kimlik do\u011frulama protokollerini kullanarak \u201ckimden\u201d alan\u0131ndaki g\u00f6nderen ad\u0131n\u0131 ve e-posta ba\u015fl\u0131\u011f\u0131nda bulunan di\u011fer bilgileri do\u011frular. Bu protokoller ayr\u0131ca e-postalar\u0131n aktar\u0131m s\u0131ras\u0131nda de\u011fi\u015ftirilmedi\u011finden emin olur ve kimlik do\u011frulamas\u0131n\u0131 ge\u00e7emeyen mesajlarla ne yap\u0131laca\u011f\u0131n\u0131 posta sunucular\u0131na bildirir.<\/p>\n\n\n\n
E-posta kimlik do\u011frulama protokolleri, ki\u015fileri spam ve kimlik av\u0131 giri\u015fimlerinden, \u00f6zellikle de e-posta sahtekarl\u0131\u011f\u0131 olarak bilinen bir t\u00fcr kimlik av\u0131ndan korur. <\/p>\n\n\n\n
E-posta Kimlik Do\u011frulama Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/strong><\/h2>\n\n\n\n![\"\"](\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2026\/02\/e-posta-kimlik-dogrulama-nasil-calisir-1024x576.jpeg\")
<\/figure>\n\n\n\nE-posta kimlik do\u011frulama, bir e-postan\u0131n kayna\u011f\u0131n\u0131 ve e-postan\u0131n aktar\u0131lmas\u0131 veya de\u011fi\u015ftirilmesinde rol oynayan mesaj aktar\u0131m arac\u0131lar\u0131n\u0131n (MTA’lar) <\/a>alan ad\u0131 sahipli\u011fini do\u011frulamak i\u00e7in \u00e7e\u015fitli y\u00f6ntemler i\u00e7erir.<\/p>\n\n\n\nBasit\u00e7e ifade etmek gerekirse, e-postalar belirli bir alan ad\u0131 veya alt alan ad\u0131ndan g\u00f6nderilir. E-posta kimlik do\u011frulama protokolleri, bu g\u00f6nderen alan adlar\u0131 i\u00e7in DNS kay\u0131tlar\u0131nda bulunan kurallard\u0131r. Bir e-postay\u0131 do\u011frulamak i\u00e7in g\u00f6nderen posta sunucusu ve al\u0131c\u0131 posta sunucusu birbirleriyle ileti\u015fim kurar ve g\u00f6nderenin kimli\u011fini onaylamak i\u00e7in DNS’deki protokolleri iki kez kontrol eder.<\/p>\n\n\n\n
Her protokol benzersiz olmakla birlikte, genel olarak a\u015fa\u011f\u0131daki \u015fekilde \u00e7al\u0131\u015f\u0131r:<\/p>\n\n\n\n
\n- G\u00f6nderen\/alan ad\u0131 sahibi, alan adlar\u0131ndan veya alan adlar\u0131 ad\u0131na g\u00f6nderilen e-postalar\u0131 do\u011frulamak i\u00e7in kurallar belirler.<\/li>\n\n\n\n
- G\u00f6nderen, e-posta g\u00f6nderme sunucular\u0131n\u0131 yap\u0131land\u0131r\u0131r ve kurallar\u0131 DNS kay\u0131tlar\u0131nda yay\u0131nlar.<\/li>\n\n\n\n
- E-postalar\u0131 alan posta sunucular\u0131, yay\u0131nlanan kurallar\u0131 kullanarak g\u00f6nderenin mesajlar\u0131n\u0131 do\u011frular.<\/li>\n\n\n\n
- Al\u0131c\u0131 e-posta sunucular\u0131, yay\u0131nlanan kurallara uyar ve mesaj\u0131 teslim eder, karantinaya al\u0131r veya reddeder.<\/li>\n<\/ul>\n\n\n\n
E-posta kimlik do\u011frulama protokolleri, me\u015fru g\u00f6nderenleri do\u011frulaman\u0131n yan\u0131 s\u0131ra k\u00f6t\u00fc niyetli g\u00f6nderenlerin daha kolay tespit edilebilmesi i\u00e7in IP adresi ve alan ad\u0131 itibar\u0131n\u0131n belirlenmesine de yard\u0131mc\u0131 olur.<\/p>\n\n\n\n
E-posta Kimlik Do\u011frulama Protokolleri<\/h2>\n\n\n\n![\"\"](\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2026\/02\/e-posta-kimlik-dogrulama-protokolleri-1024x576.jpeg\")
<\/figure>\n\n\n\nSimple Mail Transfer Protocol (SMTP)<\/a>, e-postan\u0131n temelini olu\u015fturan standart bir protokold\u00fcr. Mesajlar\u0131n g\u00f6nderilmesi ve al\u0131nmas\u0131 i\u00e7in kullan\u0131l\u0131r. Ancak SMTP, g\u00f6nderenin kimli\u011fini do\u011frulama \u00f6zelli\u011fi i\u00e7ermez, bu da onu spam ve kimlik av\u0131 sald\u0131r\u0131lar\u0131na kar\u015f\u0131 savunmas\u0131z hale getirir.<\/p>\n\n\n\nE-posta kimlik do\u011frulama protokolleri, SMTP’nin g\u00fcvenli\u011fini art\u0131rmak ve e-posta spam’lar\u0131n\u0131n yay\u0131lmas\u0131n\u0131 engellemek i\u00e7in 2000’li y\u0131llar\u0131n ba\u015f\u0131nda ortaya \u00e7\u0131km\u0131\u015ft\u0131r. SPF<\/a> ve DKIM<\/a>, yayg\u0131n olarak benimsenen ilk y\u00f6ntemlerdir. DMARC, SPF ve DKIM’i<\/a> onaylamak ve geni\u015fletmek i\u00e7in bir politika olarak k\u0131sa s\u00fcre sonra ortaya \u00e7\u0131km\u0131\u015ft\u0131r. BIMI<\/a> ise, yeni bir e-posta spesifikasyonudur.<\/p>\n\n\n\nBu e-posta kimlik do\u011frulama protokolleri, Gmail, Outlook, Yahoo ve Apple Mail gibi hizmetlerin, e-postalar\u0131 do\u011frulamak i\u00e7in ayr\u0131, tescilli y\u00f6ntemler kullanmak yerine g\u00f6nderenlerin kimli\u011fini do\u011frulamak i\u00e7in standart bir yol sa\u011flar.<\/p>\n\n\n\n
Dolay\u0131s\u0131yla, e-posta kimlik do\u011frulama karma\u015f\u0131k, teknik ve hatta biraz da\u011f\u0131n\u0131k g\u00f6r\u00fcnebilir, ancak bu protokoller bir miktar standartla\u015fma sa\u011flar. <\/p>\n\n\n\n
SPF (Sender Policy Framework)<\/h3>\n\n\n\n
SPF e-posta kimlik do\u011frulama protokol\u00fc, e-posta alan ad\u0131 sahiplerinin kendilerine posta g\u00f6nderebilecek IP adreslerinin bir listesini olu\u015fturmas\u0131na olanak tan\u0131r. SPF, posta g\u00f6nderenin IP adresinin me\u015fruiyetini do\u011frular ve bunu yapma yetkisini kontrol eder.<\/p>\n\n\n\n
SPF, alan ad\u0131 sistemi arac\u0131l\u0131\u011f\u0131yla uyguland\u0131\u011f\u0131ndan, e-posta sunucular\u0131n\u0131n yetkili IP adreslerinin listesini yay\u0131nlamas\u0131 ve kimlik do\u011frulama s\u0131ras\u0131nda bu listeye ba\u015fvurmas\u0131 kolayla\u015f\u0131r.<\/p>\n\n\n\n
DKIM (DomainKeys Identified Mail)<\/h3>\n\n\n\n
DomainKeys Identified Mail, giden postalar\u0131 do\u011frulamak i\u00e7in a\u00e7\u0131k anahtar \u015fifreleme ad\u0131 verilen bir teknoloji kullan\u0131r. DKIM protokol\u00fc, e-postaya \u015fifreleme imzas\u0131 ekleyerek g\u00f6nderenin do\u011frulanm\u0131\u015f kimli\u011fini g\u00f6sterir.<\/p>\n\n\n\n
\u015eifreleme imzas\u0131, e-postan\u0131n g\u00fcvenli\u011finin ihlal edilmedi\u011fini ve ger\u00e7ek, do\u011frulanm\u0131\u015f g\u00f6nderenden geldi\u011fini kan\u0131tlar. Bu, kurulu\u015funuzun a\u011f\u0131n\u0131n b\u00fct\u00fcnl\u00fc\u011f\u00fcn\u00fc korur, marka itibar\u0131n\u0131 art\u0131r\u0131r ve e-posta tahrifat\u0131 ve kimlik av\u0131 sald\u0131r\u0131lar\u0131n\u0131 \u00f6nler.<\/p>\n\n\n\n
T\u00fcm bunlar g\u00fcvenli gibi g\u00f6r\u00fcnse de, bilgisayar korsanlar\u0131n\u0131n DKIM anahtarlar\u0131n\u0131 ele ge\u00e7irip bunlar\u0131 g\u00f6nderenin kimli\u011fine b\u00fcr\u00fcnmek i\u00e7in kullanmas\u0131 hala m\u00fcmk\u00fcnd\u00fcr. Bu nedenle, DKIM anahtarlar\u0131n\u0131n y\u0131lda birka\u00e7 kez de\u011fi\u015ftirilmesi \u00f6nerilir.<\/p>\n\n\n\n
DMARC (Domain-based Message Authentication, Reporting, and Conformance)<\/h3>\n\n\n\n
Ad\u0131ndan da anla\u015f\u0131laca\u011f\u0131 gibi DMARC e-posta kimlik do\u011frulamas\u0131 i\u00e7in kapsaml\u0131 bir \u00e7\u00f6z\u00fcm ve protokold\u00fcr. Bu t\u00fcr e-posta kimlik do\u011frulama protokol\u00fc, SPF ve DKIM \u00fczerine kuruludur.<\/p>\n\n\n\n
SPF ve DKIM do\u011frulamalar\u0131nda ba\u015far\u0131s\u0131z olan IP adreslerini do\u011frular ve ara\u015ft\u0131r\u0131r. Yukar\u0131daki iki protokol, ba\u015fl\u0131\u011f\u0131 kullanarak IP adreslerini do\u011frular.<\/p>\n\n\n\n
Bu nedenle, \u00f6zellikle g\u00f6nderen tam alan ad\u0131 e-posta sahtekarl\u0131\u011f\u0131 y\u00f6ntemini kullanarak e-posta g\u00f6nderdi\u011finde, bir veya iki hata yapmalar\u0131 m\u00fcmk\u00fcnd\u00fcr.<\/p>\n\n\n\n
DMARC politikas\u0131, g\u00f6nderenlerin e-posta kimlik do\u011frulama y\u00f6ntemlerini tan\u0131mlayan ve politikay\u0131 ihlal eden mesajlar\u0131n nas\u0131l ele al\u0131naca\u011f\u0131n\u0131 belirleyen bir \u00e7er\u00e7eve olu\u015fturmas\u0131na olanak tan\u0131r. Alan ad\u0131 sahipleri, DMARC do\u011frulamas\u0131n\u0131 ge\u00e7emeyen e-postalar\u0131n nas\u0131l ele al\u0131naca\u011f\u0131n\u0131 belirlemek i\u00e7in \u00fc\u00e7 se\u00e7enek aras\u0131ndan se\u00e7im yapabilir:<\/p>\n\n\n\n
\u00dc\u00e7 DMARC p= politikas\u0131:<\/strong><\/p>\n\n\n\n\np=none<\/code>: Hi\u00e7bir i\u015flem yapmaz. E-postay\u0131 DMARC do\u011frulamas\u0131 yokmu\u015f gibi ele al\u0131r. Bu politika, ak\u0131\u015f\u0131 etkilemeden e-posta ak\u0131\u015f\u0131n\u0131 anlamaya da yard\u0131mc\u0131 olur.<\/li>\n\n\n\np=quarantine<\/code>: E-postay\u0131 kabul edin, ancak ana gelen kutusuna de\u011fil, \u00f6nemsiz veya spam klas\u00f6r\u00fcne g\u00f6nderin. Veya \u015f\u00fcpheli mesaj\u0131 daha ayr\u0131nt\u0131l\u0131 inceleme i\u00e7in izole edin.<\/li>\n\n\n\np=reject<\/code>: E-postan\u0131n herhangi bir klas\u00f6re teslimini durdurun. G\u00f6nderen, e-postan\u0131n neden teslim edilmedi\u011fini \u00f6\u011frenir.<\/li>\n<\/ul>\n\n\n\nDo\u011frulanmam\u0131\u015f e-postalar\u0131 reddeden bir DMARC politikas\u0131 en g\u00fc\u00e7l\u00fc olan\u0131d\u0131r, ancak SPF ve DKIM’in herhangi bir nedenle ba\u015far\u0131s\u0131z olmas\u0131 durumunda bir alan ad\u0131ndan gelen e-postalar\u0131n ak\u0131\u015f\u0131n\u0131n durmas\u0131 anlam\u0131na gelebilir.<\/p>\n\n\n\n
BIMI (Brand Indicators for Message Identification)<\/h3>\n\n\n\n
BIMI, al\u0131c\u0131lara g\u00f6nderenin marka bilgisini g\u00f6stererek ve kimlik do\u011frulama yoluyla mesaj g\u00f6ndereni tan\u0131mlayarak yard\u0131mc\u0131 olan yeni bir e-posta kimlik do\u011frulama protokol\u00fcd\u00fcr.<\/p>\n\n\n\n
BIMI’yi e-posta sunucunuza uygularsan\u0131z, bu protokol m\u00fc\u015fterileriniz, t\u00fcketicileriniz veya potansiyel m\u00fc\u015fterilerinizle olan g\u00fcven fakt\u00f6r\u00fcn\u00fcz\u00fc art\u0131racak ve marka itibar\u0131n\u0131z\u0131 da iyile\u015ftirecektir. Bu protokol, sahiplerin e-postalar\u0131n\u0131n yan\u0131nda marka logolar\u0131n\u0131 g\u00f6r\u00fcnt\u00fclemelerine olanak tan\u0131r.<\/p>\n\n\n\n
Posta kutusu sa\u011flay\u0131c\u0131lar\u0131n\u0131n BIMI logosunu g\u00f6r\u00fcnt\u00fclemesini sa\u011flamak i\u00e7in, SPF ve DKIM kay\u0131tlar\u0131 ayarlanm\u0131\u015f, tam olarak i\u015flevsel bir DMARC politikas\u0131 uygulaman\u0131z gerekir. Bir bak\u0131ma BIMI, di\u011fer e-posta kimlik do\u011frulama y\u00f6ntemlerini kullanman\u0131n getirisi say\u0131labilir.<\/p>\n\n\n\n
Di\u011fer protokoller gibi BIMI de bir alan ad\u0131n\u0131n DNS’sine ba\u011fl\u0131 bir TXT kayd\u0131d\u0131r. Ancak BIMI kayd\u0131n\u0131 uygulamaya koymadan \u00f6nce, do\u011fru bi\u00e7imde bi\u00e7imlendirilmi\u015f bir logoya sahip olman\u0131z gerekir.<\/p>\n\n\n\n
Uyumlu BIMI logolar\u0131, m\u00fckemmel bir kare \u015feklinde olan ve daire \u015feklinde k\u0131rp\u0131labilen SVG dosyalar\u0131d\u0131r. D\u00fcz bir arka plana sahip olmalar\u0131 ve HTTPS \u00fczerinden yay\u0131nlanmalar\u0131 gerekir. BIMI logo dosyalar\u0131 k\u00fc\u00e7\u00fck olmal\u0131 ve 32 kb’yi ge\u00e7memelidir. Son olarak, logonuz standartlar\u0131 kar\u015f\u0131lamak i\u00e7in tescilli bir ticari marka olmal\u0131d\u0131r.<\/p>\n\n\n\n
BIMI’yi uygulamak, abonelerin e-postalar\u0131n\u0131z\u0131n kayna\u011f\u0131na olan g\u00fcvenini art\u0131racakt\u0131r.<\/p>\n\n\n\n
T\u00fcm E-posta Kimlik Protokollerini Kullanmal\u0131 m\u0131s\u0131n\u0131z?<\/h2>\n\n\n\n
SPF, DKIM, DMARC ve BIMI, kapsaml\u0131 ve sa\u011flam bir e-posta kimlik do\u011frulama ekosistemi olu\u015fturmak i\u00e7in i\u015f birli\u011fi yapt\u0131\u011f\u0131nda, sonu\u00e7lar her zaman daha iyi olur.<\/p>\n\n\n\n
\n- SPF ile, yetkili IP adreslerinin bir listesi yay\u0131nlanarak ve DNS arac\u0131l\u0131\u011f\u0131yla uygulanarak istenmeyen IP adresleri ortadan kald\u0131r\u0131l\u0131r.<\/li>\n\n\n\n
- DKIM ile, ileti\u015fim kurdu\u011funuz e-posta a\u011f\u0131, e-posta mesajlar\u0131n\u0131n tahrif edilmesini \u00f6nleyen \u015fifreleme imzas\u0131 yard\u0131m\u0131yla g\u00fcvenlik ve emniyet garantisi alt\u0131na al\u0131n\u0131r.<\/li>\n\n\n\n
- DMARC, IP adreslerinin SPF ve DKIM’den ge\u00e7tikten sonra ger\u00e7ekli\u011finin yeniden do\u011frulanmas\u0131n\u0131 sa\u011flar.<\/li>\n\n\n\n
- Yukar\u0131daki t\u00fcm noktalar\u0131n \u00f6tesinde, BIMI, logo tan\u0131mlay\u0131c\u0131 yard\u0131m\u0131yla markan\u0131z\u0131 ve kimli\u011finizi g\u00f6rsel olarak sunman\u0131za olanak tan\u0131r.<\/li>\n<\/ul>\n\n\n\n
T\u00fcm bu noktalar bir araya geldi\u011finde, ileti\u015fimin geli\u015fmesi i\u00e7in g\u00fcvenli bir ortam sa\u011flar. Bu protokoller bir araya gelerek, kimlik av\u0131 ve veri ihlalleri gibi doland\u0131r\u0131c\u0131l\u0131k davran\u0131\u015flar\u0131n\u0131 ve giri\u015fimlerini \u00f6nlemek i\u00e7in \u00e7ok katmanl\u0131 g\u00fcvenlik \u00f6nlemleri olu\u015fturur.<\/p>\n\n\n\n
Bu kolektif protokollerin kapsaml\u0131 kullan\u0131m\u0131, profesyonel kurulumlar arac\u0131l\u0131\u011f\u0131yla g\u00fcvenli ileti\u015fim sa\u011flar. Bu, sadece kuruma de\u011fil, ayn\u0131 zamanda g\u00fcvenli\u011fe ihtiya\u00e7 duyan al\u0131c\u0131lara da fayda sa\u011flar.<\/p>\n\n\n\n
E-posta Kimlik Do\u011frulama Protokollerinin Avantajlar\u0131<\/h2>\n\n\n\n![\"\"](\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2026\/02\/e-posta-kimlik-dogrulama-protokollerinin-avantajlari-1024x576.jpeg\")
<\/figure>\n<\/div>\n\n\nKimlik Av\u0131 Sald\u0131r\u0131lar\u0131n\u0131n \u00d6nlenmesi<\/h3>\n\n\n\n
E-posta kimlik do\u011frulama, e-posta ileti\u015fimi yoluyla kimlik av\u0131 sald\u0131r\u0131lar\u0131n\u0131n \u00f6nlenmesinde \u00e7ok \u00f6nemli bir rol oynar. Etik olmayan ve k\u00f6t\u00fc niyetli yollarla g\u00fcvenli hesaplar\u0131 aldatmaya \u00e7al\u0131\u015fan hesaplarla m\u00fccadele etmek i\u00e7in tasarlanm\u0131\u015ft\u0131r. Protokol, g\u00f6nderenin kimli\u011fini do\u011frulad\u0131\u011f\u0131nda, ger\u00e7ekli\u011fini teyit edebilir ve buna g\u00f6re onaylayabilir veya engelleyebilir, b\u00f6ylece kimlik av\u0131 sald\u0131r\u0131lar\u0131n\u0131<\/a> \u00f6nleyebilir.<\/p>\n\n\n\nMarka \u0130tibar\u0131n\u0131n Korunmas\u0131<\/h3>\n\n\n\n
E-posta kimlik do\u011frulama, g\u00f6nderenin kimli\u011fini do\u011frulamak i\u00e7in do\u011frulama ve tan\u0131mlama ger\u00e7ekle\u015ftirerek kurumunuzun marka imaj\u0131n\u0131 korur. Bu, yetkisiz veya etik olmayan g\u00f6nderenlerin a\u011f\u0131n\u0131za ula\u015fmas\u0131n\u0131 ve herhangi bir zarar vermesini \u00f6nler.<\/p>\n\n\n\n
Bu \u015fekilde, e-posta yoluyla \u015f\u00fcpheli ba\u011flant\u0131lar almazs\u0131n\u0131z, bu ba\u011flant\u0131lara t\u0131klamazs\u0131n\u0131z ve doland\u0131r\u0131lmazs\u0131n\u0131z, b\u00f6ylece kurumunuzun itibar\u0131n\u0131 korursunuz.<\/p>\n\n\n\n
Bunun yan\u0131 s\u0131ra, y\u00fcksek g\u00f6r\u00fcn\u00fcrl\u00fck sayesinde g\u00fcvenli ileti\u015fim sa\u011flar ve m\u00fckemmel e-posta teslim edilebilirli\u011fi sunar.<\/p>\n\n\n\n
Uzman Posta ile E-posta Teslim Edilebilirli\u011fini Y\u00f6netin<\/h2>\n\n\n\n
E-posta kimlik do\u011frulama protokolleri, teslim edilebilirlikle ilgili karma\u015f\u0131k ve incelikli uygulamalar\u0131n sadece bir y\u00f6n\u00fcd\u00fcr. Ancak gelen kutusuna ula\u015fmak tamamen gizemli bir konu olmak zorunda de\u011fildir. Uzman Posta ile spam’den ka\u00e7\u0131nmak<\/a>, e-posta engelleme<\/a> listelerinden uzak durmak ve posta kutusu sa\u011flay\u0131c\u0131lar\u0131 nezdinde iyi bir g\u00f6nderen itibar\u0131 s\u00fcrd\u00fcrmek i\u00e7in ihtiyac\u0131n\u0131z olan g\u00f6r\u00fcn\u00fcrl\u00fc\u011f\u00fc elde edebilirsiniz.<\/p>\n\n\n\nEn \u00c7ok Sorulan Sorular<\/h2>\n\n\n\nE-posta kimlik do\u011frulama, kimlik av\u0131 sald\u0131r\u0131lar\u0131na kar\u015f\u0131 nas\u0131l koruma sa\u011flar?<\/h3>\n\n\n\n
E-posta kimlik do\u011frulama protokolleri, al\u0131c\u0131n\u0131n e-posta sunucusunun g\u00f6ndereni do\u011frulamas\u0131n\u0131, ger\u00e7ek g\u00f6nderenleri onaylamas\u0131n\u0131 ve sahte sunucular\u0131 reddedip engellemesini sa\u011flar. Bu y\u00f6ntem, kurumlar\u0131n e-posta kimlik do\u011frulamay\u0131 kullanarak kimlik av\u0131 sald\u0131r\u0131lar\u0131n\u0131 \u00f6nlemesine yard\u0131mc\u0131 olur.<\/p>\n\n\n\n
En pop\u00fcler e-posta kimlik do\u011frulama y\u00f6ntemi hangisidir?<\/h3>\n\n\n\n
SPF ve DKIM, kurumlar i\u00e7in en yayg\u0131n kullan\u0131lan ve en pop\u00fcler iki e-posta kimlik do\u011frulama y\u00f6ntemidir.<\/p>\n\n\n\n
HTTP bir e-posta protokol\u00fc m\u00fcd\u00fcr?<\/h3>\n\n\n\n
HTTP bir e-posta protokol\u00fc de\u011fildir, ancak kurumunuzun e-posta ileti\u015fimlerine eri\u015fmek i\u00e7in kullan\u0131labilir.<\/p>\n","protected":false},"excerpt":{"rendered":"
Bir e-posta al\u0131c\u0131 posta sunucusuna ula\u015ft\u0131\u011f\u0131nda, sizin bir spam g\u00f6ndericisi, doland\u0131r\u0131c\u0131 m\u0131 yoksa me\u015fru bir g\u00f6nderici mi oldu\u011funuzu anlamalar\u0131na ne yard\u0131mc\u0131 olur? Cevap, e-posta kimlik do\u011frulama protokolleridir. E-posta kimlik do\u011frulama protokolleri, e-postalar gelen kutular\u0131na ula\u015fmadan \u00f6nce g\u00f6nderenlerin kim olduklar\u0131n\u0131 do\u011frulamak i\u00e7in arka planda \u00e7al\u0131\u015f\u0131r. Bu do\u011frulama y\u00f6ntemlerini uygulamak sadece g\u00fcvelikle alakal\u0131 de\u011fildir, ayn\u0131 zamanda e-posta […]<\/p>\n","protected":false},"author":2,"featured_media":7130,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86],"tags":[],"class_list":["post-7129","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guvenlik"],"yoast_head":"\n
Kimlik Do\u011frulama Protokolleri: Do\u011fru Olan\u0131 Nas\u0131l Se\u00e7meli? - 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\/kimlik-dogrulama-protokolleri-dogru-olani-nasil-secmeli\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Kimlik Do\u011frulama Protokolleri: Do\u011fru Olan\u0131 Nas\u0131l Se\u00e7meli? - Uzman Posta\" \/>\n<meta property=\"og:description\" content=\"Bir e-posta al\u0131c\u0131 posta sunucusuna ula\u015ft\u0131\u011f\u0131nda, sizin bir spam g\u00f6ndericisi, doland\u0131r\u0131c\u0131 m\u0131 yoksa me\u015fru bir g\u00f6nderici mi oldu\u011funuzu anlamalar\u0131na ne yard\u0131mc\u0131 olur? Cevap, e-posta kimlik do\u011frulama protokolleridir. E-posta kimlik do\u011frulama protokolleri, e-postalar gelen kutular\u0131na ula\u015fmadan \u00f6nce g\u00f6nderenlerin kim olduklar\u0131n\u0131 do\u011frulamak i\u00e7in arka planda \u00e7al\u0131\u015f\u0131r. Bu do\u011frulama y\u00f6ntemlerini uygulamak sadece g\u00fcvelikle alakal\u0131 de\u011fildir, ayn\u0131 zamanda e-posta […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/uzmanposta.com\/blog\/kimlik-dogrulama-protokolleri-dogru-olani-nasil-secmeli\/\" \/>\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=\"2026-02-25T13:42:41+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-25T13:42:45+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2026\/02\/kimlik-dogrulama-protokolleri-dogru-olani-nasil-secmeli.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=\"17 dakika\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Kimlik Do\u011frulama Protokolleri: Do\u011fru Olan\u0131 Nas\u0131l Se\u00e7meli? - Uzman Posta","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/uzmanposta.com\/blog\/kimlik-dogrulama-protokolleri-dogru-olani-nasil-secmeli\/","og_locale":"tr_TR","og_type":"article","og_title":"Kimlik Do\u011frulama Protokolleri: Do\u011fru Olan\u0131 Nas\u0131l Se\u00e7meli? - Uzman Posta","og_description":"Bir e-posta al\u0131c\u0131 posta sunucusuna ula\u015ft\u0131\u011f\u0131nda, sizin bir spam g\u00f6ndericisi, doland\u0131r\u0131c\u0131 m\u0131 yoksa me\u015fru bir g\u00f6nderici mi oldu\u011funuzu anlamalar\u0131na ne yard\u0131mc\u0131 olur? Cevap, e-posta kimlik do\u011frulama protokolleridir. E-posta kimlik do\u011frulama protokolleri, e-postalar gelen kutular\u0131na ula\u015fmadan \u00f6nce g\u00f6nderenlerin kim olduklar\u0131n\u0131 do\u011frulamak i\u00e7in arka planda \u00e7al\u0131\u015f\u0131r. Bu do\u011frulama y\u00f6ntemlerini uygulamak sadece g\u00fcvelikle alakal\u0131 de\u011fildir, ayn\u0131 zamanda e-posta […]","og_url":"https:\/\/uzmanposta.com\/blog\/kimlik-dogrulama-protokolleri-dogru-olani-nasil-secmeli\/","og_site_name":"Blog","article_publisher":"https:\/\/www.facebook.com\/uzmanposta\/","article_published_time":"2026-02-25T13:42:41+00:00","article_modified_time":"2026-02-25T13:42:45+00:00","og_image":[{"width":1200,"height":675,"url":"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2026\/02\/kimlik-dogrulama-protokolleri-dogru-olani-nasil-secmeli.jpeg","type":"image\/jpeg"}],"author":"Sibel Ho\u015f","twitter_card":"summary_large_image","twitter_creator":"@uZmanPosta","twitter_site":"@uZmanPosta","twitter_misc":{"Yazan:":"Sibel Ho\u015f","Tahmini okuma s\u00fcresi":"17 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<\/figure>\n\n\n\nE-posta kimlik do\u011frulama, bir e-postan\u0131n kayna\u011f\u0131n\u0131 ve e-postan\u0131n aktar\u0131lmas\u0131 veya de\u011fi\u015ftirilmesinde rol oynayan mesaj aktar\u0131m arac\u0131lar\u0131n\u0131n (MTA’lar) <\/a>alan ad\u0131 sahipli\u011fini do\u011frulamak i\u00e7in \u00e7e\u015fitli y\u00f6ntemler i\u00e7erir.<\/p>\n\n\n\n Basit\u00e7e ifade etmek gerekirse, e-postalar belirli bir alan ad\u0131 veya alt alan ad\u0131ndan g\u00f6nderilir. E-posta kimlik do\u011frulama protokolleri, bu g\u00f6nderen alan adlar\u0131 i\u00e7in DNS kay\u0131tlar\u0131nda bulunan kurallard\u0131r. Bir e-postay\u0131 do\u011frulamak i\u00e7in g\u00f6nderen posta sunucusu ve al\u0131c\u0131 posta sunucusu birbirleriyle ileti\u015fim kurar ve g\u00f6nderenin kimli\u011fini onaylamak i\u00e7in DNS’deki protokolleri iki kez kontrol eder.<\/p>\n\n\n\n Her protokol benzersiz olmakla birlikte, genel olarak a\u015fa\u011f\u0131daki \u015fekilde \u00e7al\u0131\u015f\u0131r:<\/p>\n\n\n\n E-posta kimlik do\u011frulama protokolleri, me\u015fru g\u00f6nderenleri do\u011frulaman\u0131n yan\u0131 s\u0131ra k\u00f6t\u00fc niyetli g\u00f6nderenlerin daha kolay tespit edilebilmesi i\u00e7in IP adresi ve alan ad\u0131 itibar\u0131n\u0131n belirlenmesine de yard\u0131mc\u0131 olur.<\/p>\n\n\n\n Simple Mail Transfer Protocol (SMTP)<\/a>, e-postan\u0131n temelini olu\u015fturan standart bir protokold\u00fcr. Mesajlar\u0131n g\u00f6nderilmesi ve al\u0131nmas\u0131 i\u00e7in kullan\u0131l\u0131r. Ancak SMTP, g\u00f6nderenin kimli\u011fini do\u011frulama \u00f6zelli\u011fi i\u00e7ermez, bu da onu spam ve kimlik av\u0131 sald\u0131r\u0131lar\u0131na kar\u015f\u0131 savunmas\u0131z hale getirir.<\/p>\n\n\n\n E-posta kimlik do\u011frulama protokolleri, SMTP’nin g\u00fcvenli\u011fini art\u0131rmak ve e-posta spam’lar\u0131n\u0131n yay\u0131lmas\u0131n\u0131 engellemek i\u00e7in 2000’li y\u0131llar\u0131n ba\u015f\u0131nda ortaya \u00e7\u0131km\u0131\u015ft\u0131r. SPF<\/a> ve DKIM<\/a>, yayg\u0131n olarak benimsenen ilk y\u00f6ntemlerdir. DMARC, SPF ve DKIM’i<\/a> onaylamak ve geni\u015fletmek i\u00e7in bir politika olarak k\u0131sa s\u00fcre sonra ortaya \u00e7\u0131km\u0131\u015ft\u0131r. BIMI<\/a> ise, yeni bir e-posta spesifikasyonudur.<\/p>\n\n\n\n Bu e-posta kimlik do\u011frulama protokolleri, Gmail, Outlook, Yahoo ve Apple Mail gibi hizmetlerin, e-postalar\u0131 do\u011frulamak i\u00e7in ayr\u0131, tescilli y\u00f6ntemler kullanmak yerine g\u00f6nderenlerin kimli\u011fini do\u011frulamak i\u00e7in standart bir yol sa\u011flar.<\/p>\n\n\n\n Dolay\u0131s\u0131yla, e-posta kimlik do\u011frulama karma\u015f\u0131k, teknik ve hatta biraz da\u011f\u0131n\u0131k g\u00f6r\u00fcnebilir, ancak bu protokoller bir miktar standartla\u015fma sa\u011flar. <\/p>\n\n\n\n SPF e-posta kimlik do\u011frulama protokol\u00fc, e-posta alan ad\u0131 sahiplerinin kendilerine posta g\u00f6nderebilecek IP adreslerinin bir listesini olu\u015fturmas\u0131na olanak tan\u0131r. SPF, posta g\u00f6nderenin IP adresinin me\u015fruiyetini do\u011frular ve bunu yapma yetkisini kontrol eder.<\/p>\n\n\n\n SPF, alan ad\u0131 sistemi arac\u0131l\u0131\u011f\u0131yla uyguland\u0131\u011f\u0131ndan, e-posta sunucular\u0131n\u0131n yetkili IP adreslerinin listesini yay\u0131nlamas\u0131 ve kimlik do\u011frulama s\u0131ras\u0131nda bu listeye ba\u015fvurmas\u0131 kolayla\u015f\u0131r.<\/p>\n\n\n\n DomainKeys Identified Mail, giden postalar\u0131 do\u011frulamak i\u00e7in a\u00e7\u0131k anahtar \u015fifreleme ad\u0131 verilen bir teknoloji kullan\u0131r. DKIM protokol\u00fc, e-postaya \u015fifreleme imzas\u0131 ekleyerek g\u00f6nderenin do\u011frulanm\u0131\u015f kimli\u011fini g\u00f6sterir.<\/p>\n\n\n\n \u015eifreleme imzas\u0131, e-postan\u0131n g\u00fcvenli\u011finin ihlal edilmedi\u011fini ve ger\u00e7ek, do\u011frulanm\u0131\u015f g\u00f6nderenden geldi\u011fini kan\u0131tlar. Bu, kurulu\u015funuzun a\u011f\u0131n\u0131n b\u00fct\u00fcnl\u00fc\u011f\u00fcn\u00fc korur, marka itibar\u0131n\u0131 art\u0131r\u0131r ve e-posta tahrifat\u0131 ve kimlik av\u0131 sald\u0131r\u0131lar\u0131n\u0131 \u00f6nler.<\/p>\n\n\n\n T\u00fcm bunlar g\u00fcvenli gibi g\u00f6r\u00fcnse de, bilgisayar korsanlar\u0131n\u0131n DKIM anahtarlar\u0131n\u0131 ele ge\u00e7irip bunlar\u0131 g\u00f6nderenin kimli\u011fine b\u00fcr\u00fcnmek i\u00e7in kullanmas\u0131 hala m\u00fcmk\u00fcnd\u00fcr. Bu nedenle, DKIM anahtarlar\u0131n\u0131n y\u0131lda birka\u00e7 kez de\u011fi\u015ftirilmesi \u00f6nerilir.<\/p>\n\n\n\n Ad\u0131ndan da anla\u015f\u0131laca\u011f\u0131 gibi DMARC e-posta kimlik do\u011frulamas\u0131 i\u00e7in kapsaml\u0131 bir \u00e7\u00f6z\u00fcm ve protokold\u00fcr. Bu t\u00fcr e-posta kimlik do\u011frulama protokol\u00fc, SPF ve DKIM \u00fczerine kuruludur.<\/p>\n\n\n\n SPF ve DKIM do\u011frulamalar\u0131nda ba\u015far\u0131s\u0131z olan IP adreslerini do\u011frular ve ara\u015ft\u0131r\u0131r. Yukar\u0131daki iki protokol, ba\u015fl\u0131\u011f\u0131 kullanarak IP adreslerini do\u011frular.<\/p>\n\n\n\n Bu nedenle, \u00f6zellikle g\u00f6nderen tam alan ad\u0131 e-posta sahtekarl\u0131\u011f\u0131 y\u00f6ntemini kullanarak e-posta g\u00f6nderdi\u011finde, bir veya iki hata yapmalar\u0131 m\u00fcmk\u00fcnd\u00fcr.<\/p>\n\n\n\n DMARC politikas\u0131, g\u00f6nderenlerin e-posta kimlik do\u011frulama y\u00f6ntemlerini tan\u0131mlayan ve politikay\u0131 ihlal eden mesajlar\u0131n nas\u0131l ele al\u0131naca\u011f\u0131n\u0131 belirleyen bir \u00e7er\u00e7eve olu\u015fturmas\u0131na olanak tan\u0131r. Alan ad\u0131 sahipleri, DMARC do\u011frulamas\u0131n\u0131 ge\u00e7emeyen e-postalar\u0131n nas\u0131l ele al\u0131naca\u011f\u0131n\u0131 belirlemek i\u00e7in \u00fc\u00e7 se\u00e7enek aras\u0131ndan se\u00e7im yapabilir:<\/p>\n\n\n\n \u00dc\u00e7 DMARC p= politikas\u0131:<\/strong><\/p>\n\n\n\n Do\u011frulanmam\u0131\u015f e-postalar\u0131 reddeden bir DMARC politikas\u0131 en g\u00fc\u00e7l\u00fc olan\u0131d\u0131r, ancak SPF ve DKIM’in herhangi bir nedenle ba\u015far\u0131s\u0131z olmas\u0131 durumunda bir alan ad\u0131ndan gelen e-postalar\u0131n ak\u0131\u015f\u0131n\u0131n durmas\u0131 anlam\u0131na gelebilir.<\/p>\n\n\n\n BIMI, al\u0131c\u0131lara g\u00f6nderenin marka bilgisini g\u00f6stererek ve kimlik do\u011frulama yoluyla mesaj g\u00f6ndereni tan\u0131mlayarak yard\u0131mc\u0131 olan yeni bir e-posta kimlik do\u011frulama protokol\u00fcd\u00fcr.<\/p>\n\n\n\n BIMI’yi e-posta sunucunuza uygularsan\u0131z, bu protokol m\u00fc\u015fterileriniz, t\u00fcketicileriniz veya potansiyel m\u00fc\u015fterilerinizle olan g\u00fcven fakt\u00f6r\u00fcn\u00fcz\u00fc art\u0131racak ve marka itibar\u0131n\u0131z\u0131 da iyile\u015ftirecektir. Bu protokol, sahiplerin e-postalar\u0131n\u0131n yan\u0131nda marka logolar\u0131n\u0131 g\u00f6r\u00fcnt\u00fclemelerine olanak tan\u0131r.<\/p>\n\n\n\n Posta kutusu sa\u011flay\u0131c\u0131lar\u0131n\u0131n BIMI logosunu g\u00f6r\u00fcnt\u00fclemesini sa\u011flamak i\u00e7in, SPF ve DKIM kay\u0131tlar\u0131 ayarlanm\u0131\u015f, tam olarak i\u015flevsel bir DMARC politikas\u0131 uygulaman\u0131z gerekir. Bir bak\u0131ma BIMI, di\u011fer e-posta kimlik do\u011frulama y\u00f6ntemlerini kullanman\u0131n getirisi say\u0131labilir.<\/p>\n\n\n\n Di\u011fer protokoller gibi BIMI de bir alan ad\u0131n\u0131n DNS’sine ba\u011fl\u0131 bir TXT kayd\u0131d\u0131r. Ancak BIMI kayd\u0131n\u0131 uygulamaya koymadan \u00f6nce, do\u011fru bi\u00e7imde bi\u00e7imlendirilmi\u015f bir logoya sahip olman\u0131z gerekir.<\/p>\n\n\n\n Uyumlu BIMI logolar\u0131, m\u00fckemmel bir kare \u015feklinde olan ve daire \u015feklinde k\u0131rp\u0131labilen SVG dosyalar\u0131d\u0131r. D\u00fcz bir arka plana sahip olmalar\u0131 ve HTTPS \u00fczerinden yay\u0131nlanmalar\u0131 gerekir. BIMI logo dosyalar\u0131 k\u00fc\u00e7\u00fck olmal\u0131 ve 32 kb’yi ge\u00e7memelidir. Son olarak, logonuz standartlar\u0131 kar\u015f\u0131lamak i\u00e7in tescilli bir ticari marka olmal\u0131d\u0131r.<\/p>\n\n\n\n BIMI’yi uygulamak, abonelerin e-postalar\u0131n\u0131z\u0131n kayna\u011f\u0131na olan g\u00fcvenini art\u0131racakt\u0131r.<\/p>\n\n\n\n SPF, DKIM, DMARC ve BIMI, kapsaml\u0131 ve sa\u011flam bir e-posta kimlik do\u011frulama ekosistemi olu\u015fturmak i\u00e7in i\u015f birli\u011fi yapt\u0131\u011f\u0131nda, sonu\u00e7lar her zaman daha iyi olur.<\/p>\n\n\n\n T\u00fcm bu noktalar bir araya geldi\u011finde, ileti\u015fimin geli\u015fmesi i\u00e7in g\u00fcvenli bir ortam sa\u011flar. Bu protokoller bir araya gelerek, kimlik av\u0131 ve veri ihlalleri gibi doland\u0131r\u0131c\u0131l\u0131k davran\u0131\u015flar\u0131n\u0131 ve giri\u015fimlerini \u00f6nlemek i\u00e7in \u00e7ok katmanl\u0131 g\u00fcvenlik \u00f6nlemleri olu\u015fturur.<\/p>\n\n\n\n Bu kolektif protokollerin kapsaml\u0131 kullan\u0131m\u0131, profesyonel kurulumlar arac\u0131l\u0131\u011f\u0131yla g\u00fcvenli ileti\u015fim sa\u011flar. Bu, sadece kuruma de\u011fil, ayn\u0131 zamanda g\u00fcvenli\u011fe ihtiya\u00e7 duyan al\u0131c\u0131lara da fayda sa\u011flar.<\/p>\n\n\n\n E-posta kimlik do\u011frulama, e-posta ileti\u015fimi yoluyla kimlik av\u0131 sald\u0131r\u0131lar\u0131n\u0131n \u00f6nlenmesinde \u00e7ok \u00f6nemli bir rol oynar. Etik olmayan ve k\u00f6t\u00fc niyetli yollarla g\u00fcvenli hesaplar\u0131 aldatmaya \u00e7al\u0131\u015fan hesaplarla m\u00fccadele etmek i\u00e7in tasarlanm\u0131\u015ft\u0131r. Protokol, g\u00f6nderenin kimli\u011fini do\u011frulad\u0131\u011f\u0131nda, ger\u00e7ekli\u011fini teyit edebilir ve buna g\u00f6re onaylayabilir veya engelleyebilir, b\u00f6ylece kimlik av\u0131 sald\u0131r\u0131lar\u0131n\u0131<\/a> \u00f6nleyebilir.<\/p>\n\n\n\n E-posta kimlik do\u011frulama, g\u00f6nderenin kimli\u011fini do\u011frulamak i\u00e7in do\u011frulama ve tan\u0131mlama ger\u00e7ekle\u015ftirerek kurumunuzun marka imaj\u0131n\u0131 korur. Bu, yetkisiz veya etik olmayan g\u00f6nderenlerin a\u011f\u0131n\u0131za ula\u015fmas\u0131n\u0131 ve herhangi bir zarar vermesini \u00f6nler.<\/p>\n\n\n\n Bu \u015fekilde, e-posta yoluyla \u015f\u00fcpheli ba\u011flant\u0131lar almazs\u0131n\u0131z, bu ba\u011flant\u0131lara t\u0131klamazs\u0131n\u0131z ve doland\u0131r\u0131lmazs\u0131n\u0131z, b\u00f6ylece kurumunuzun itibar\u0131n\u0131 korursunuz.<\/p>\n\n\n\n Bunun yan\u0131 s\u0131ra, y\u00fcksek g\u00f6r\u00fcn\u00fcrl\u00fck sayesinde g\u00fcvenli ileti\u015fim sa\u011flar ve m\u00fckemmel e-posta teslim edilebilirli\u011fi sunar.<\/p>\n\n\n\n E-posta kimlik do\u011frulama protokolleri, teslim edilebilirlikle ilgili karma\u015f\u0131k ve incelikli uygulamalar\u0131n sadece bir y\u00f6n\u00fcd\u00fcr. Ancak gelen kutusuna ula\u015fmak tamamen gizemli bir konu olmak zorunda de\u011fildir. Uzman Posta ile spam’den ka\u00e7\u0131nmak<\/a>, e-posta engelleme<\/a> listelerinden uzak durmak ve posta kutusu sa\u011flay\u0131c\u0131lar\u0131 nezdinde iyi bir g\u00f6nderen itibar\u0131 s\u00fcrd\u00fcrmek i\u00e7in ihtiyac\u0131n\u0131z olan g\u00f6r\u00fcn\u00fcrl\u00fc\u011f\u00fc elde edebilirsiniz.<\/p>\n\n\n\n E-posta kimlik do\u011frulama protokolleri, al\u0131c\u0131n\u0131n e-posta sunucusunun g\u00f6ndereni do\u011frulamas\u0131n\u0131, ger\u00e7ek g\u00f6nderenleri onaylamas\u0131n\u0131 ve sahte sunucular\u0131 reddedip engellemesini sa\u011flar. Bu y\u00f6ntem, kurumlar\u0131n e-posta kimlik do\u011frulamay\u0131 kullanarak kimlik av\u0131 sald\u0131r\u0131lar\u0131n\u0131 \u00f6nlemesine yard\u0131mc\u0131 olur.<\/p>\n\n\n\n SPF ve DKIM, kurumlar i\u00e7in en yayg\u0131n kullan\u0131lan ve en pop\u00fcler iki e-posta kimlik do\u011frulama y\u00f6ntemidir.<\/p>\n\n\n\n HTTP bir e-posta protokol\u00fc de\u011fildir, ancak kurumunuzun e-posta ileti\u015fimlerine eri\u015fmek i\u00e7in kullan\u0131labilir.<\/p>\n","protected":false},"excerpt":{"rendered":" Bir e-posta al\u0131c\u0131 posta sunucusuna ula\u015ft\u0131\u011f\u0131nda, sizin bir spam g\u00f6ndericisi, doland\u0131r\u0131c\u0131 m\u0131 yoksa me\u015fru bir g\u00f6nderici mi oldu\u011funuzu anlamalar\u0131na ne yard\u0131mc\u0131 olur? Cevap, e-posta kimlik do\u011frulama protokolleridir. E-posta kimlik do\u011frulama protokolleri, e-postalar gelen kutular\u0131na ula\u015fmadan \u00f6nce g\u00f6nderenlerin kim olduklar\u0131n\u0131 do\u011frulamak i\u00e7in arka planda \u00e7al\u0131\u015f\u0131r. Bu do\u011frulama y\u00f6ntemlerini uygulamak sadece g\u00fcvelikle alakal\u0131 de\u011fildir, ayn\u0131 zamanda e-posta […]<\/p>\n","protected":false},"author":2,"featured_media":7130,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86],"tags":[],"class_list":["post-7129","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guvenlik"],"yoast_head":"\n\n
E-posta Kimlik Do\u011frulama Protokolleri<\/h2>\n\n\n\n
<\/figure>\n\n\n\nSPF (Sender Policy Framework)<\/h3>\n\n\n\n
DKIM (DomainKeys Identified Mail)<\/h3>\n\n\n\n
DMARC (Domain-based Message Authentication, Reporting, and Conformance)<\/h3>\n\n\n\n
\n
p=none<\/code>: Hi\u00e7bir i\u015flem yapmaz. E-postay\u0131 DMARC do\u011frulamas\u0131 yokmu\u015f gibi ele al\u0131r. Bu politika, ak\u0131\u015f\u0131 etkilemeden e-posta ak\u0131\u015f\u0131n\u0131 anlamaya da yard\u0131mc\u0131 olur.<\/li>\n\n\n\np=quarantine<\/code>: E-postay\u0131 kabul edin, ancak ana gelen kutusuna de\u011fil, \u00f6nemsiz veya spam klas\u00f6r\u00fcne g\u00f6nderin. Veya \u015f\u00fcpheli mesaj\u0131 daha ayr\u0131nt\u0131l\u0131 inceleme i\u00e7in izole edin.<\/li>\n\n\n\np=reject<\/code>: E-postan\u0131n herhangi bir klas\u00f6re teslimini durdurun. G\u00f6nderen, e-postan\u0131n neden teslim edilmedi\u011fini \u00f6\u011frenir.<\/li>\n<\/ul>\n\n\n\nBIMI (Brand Indicators for Message Identification)<\/h3>\n\n\n\n
T\u00fcm E-posta Kimlik Protokollerini Kullanmal\u0131 m\u0131s\u0131n\u0131z?<\/h2>\n\n\n\n
\n
E-posta Kimlik Do\u011frulama Protokollerinin Avantajlar\u0131<\/h2>\n\n\n
<\/figure>\n<\/div>\n\n\nKimlik Av\u0131 Sald\u0131r\u0131lar\u0131n\u0131n \u00d6nlenmesi<\/h3>\n\n\n\n
Marka \u0130tibar\u0131n\u0131n Korunmas\u0131<\/h3>\n\n\n\n
Uzman Posta ile E-posta Teslim Edilebilirli\u011fini Y\u00f6netin<\/h2>\n\n\n\n
En \u00c7ok Sorulan Sorular<\/h2>\n\n\n\n
E-posta kimlik do\u011frulama, kimlik av\u0131 sald\u0131r\u0131lar\u0131na kar\u015f\u0131 nas\u0131l koruma sa\u011flar?<\/h3>\n\n\n\n
En pop\u00fcler e-posta kimlik do\u011frulama y\u00f6ntemi hangisidir?<\/h3>\n\n\n\n
HTTP bir e-posta protokol\u00fc m\u00fcd\u00fcr?<\/h3>\n\n\n\n