{"id":717,"date":"2020-09-22T09:54:41","date_gmt":"2020-09-22T06:54:41","guid":{"rendered":"https:\/\/uzmanposta.com\/blog\/?p=717"},"modified":"2026-02-03T18:54:34","modified_gmt":"2026-02-03T15:54:34","slug":"spf-kaydi-nedir-nasil-yapilir","status":"publish","type":"post","link":"https:\/\/uzmanposta.com\/blog\/spf-kaydi-nedir-nasil-yapilir\/","title":{"rendered":"SPF (Sender Policy Framework) Kayd\u0131 Nedir, Nas\u0131l Yap\u0131l\u0131r?"},"content":{"rendered":"\n<p>\u0130stenmeyen e-posta ve e-posta doland\u0131r\u0131c\u0131l\u0131\u011f\u0131, dijital ileti\u015fimin g\u00fcvenli\u011fini tehdit eden s\u00fcrekli bir problemdir. Bu y\u00fczden konuyla alakal\u0131 birka\u00e7 standart geli\u015ftirilmi\u015ftir. Bu standartlardan biri de SPF kayd\u0131 veya &#8220;E-Posta G\u00f6nderen Politikas\u0131&#8221;d\u0131r. SPF kayd\u0131, bir alan ad\u0131n\u0131n, hangi sunucular\u0131n kendi ad\u0131na e-posta g\u00f6nderebilece\u011fini herkese a\u00e7\u0131k olarak belirtmesini sa\u011flar. Kullanmak i\u00e7in SPF kay\u0131tlar\u0131n\u0131n her ayr\u0131nt\u0131s\u0131n\u0131 anlamak zorunda de\u011filsiniz, ancak daha fazla bilgi b\u00fcy\u00fck resmi g\u00f6rmenize yard\u0131mc\u0131 olur. Alan ad\u0131n\u0131z\u0131n itibar\u0131n\u0131 nas\u0131l koruyabilece\u011finizi ve e-posta teslim edilebilirli\u011finizi nas\u0131l iyile\u015ftirebilece\u011finizi daha detayl\u0131 anlamak istiyorsan\u0131z, bug\u00fcnk\u00fc yaz\u0131m\u0131zda SPF kayd\u0131 ile ilgili t\u00fcm detaylara de\u011finece\u011fiz.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SPF Kayd\u0131 Nedir?&nbsp;<\/h2>\n\n\n\n<p>Sender Policy Framework&#8217;\u00fcn k\u0131saltmas\u0131 olan SPF, belirli bir e-postan\u0131n g\u00f6ndericisini do\u011frulamaya ve yetkilendirmeye yard\u0131mc\u0131 olan bir teknolojidir. SPF&#8217;nin \u00e7al\u0131\u015fma \u015fekli, e-postan\u0131n g\u00f6nderildi\u011fi alan ad\u0131n\u0131n aktif bir SPF kayd\u0131na sahip olup olmad\u0131\u011f\u0131n\u0131 kontrol ederken ayn\u0131 zamanda g\u00f6nderenin IP adresini i\u00e7erdi\u011finden emin olmakt\u0131r. K\u0131saca s\u00f6ylemek gerekirse, e-postan\u0131n alan ad\u0131 sahibi taraf\u0131ndan do\u011frulan\u0131p do\u011frulanmad\u0131\u011f\u0131n\u0131 kontrol eder. Bu kontrol ba\u015far\u0131s\u0131z olursa, e-posta SPAM olarak i\u015faretlenebilir ve e-postan\u0131n kendisi asla al\u0131c\u0131n\u0131n gelen kutusuna ula\u015fmaz.<\/p>\n\n\n\n<p>\u00d6zetle SPF kayd\u0131, alan ad\u0131n\u0131n DNS b\u00f6lgesinde saklanan ve bulunan, b\u00f6lgenin ge\u00e7erli oldu\u011fu alan ad\u0131ndan e-posta g\u00f6nderdi\u011fi do\u011frulanan t\u00fcm IP adreslerinin bir listesini i\u00e7eren d\u00fcz bir TXT kayd\u0131d\u0131r.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SPF Kayd\u0131 Nas\u0131l Yap\u0131l\u0131r?<\/h2>\n\n\n\n<p>Alan ad\u0131n\u0131za SPF kayd\u0131 ekleyerek, yaln\u0131zca yetkili kaynaklardan e-posta g\u00f6nderilmesini sa\u011flayabilir ve al\u0131c\u0131lar\u0131n e-postalar\u0131n\u0131za g\u00fcven duymas\u0131n\u0131 sa\u011flayabilirsiniz. A\u015fa\u011f\u0131daki ad\u0131mlar\u0131 takip ederek SPF kayd\u0131n\u0131z\u0131 olu\u015fturabilirsiniz:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. G\u00f6nderici kaynaklar\u0131 belirleyin<\/h3>\n\n\n\n<p>SPF kayd\u0131n\u0131 olu\u015fturmadan \u00f6nce, alan ad\u0131n\u0131z ad\u0131na e-posta g\u00f6ndermeye yetkili olan t\u00fcm IP adreslerini ve alan adlar\u0131n\u0131 listelemeniz gerekir. Bu listeye kendi sunucular\u0131n\u0131z\u0131n yan\u0131 s\u0131ra e-posta pazarlama platformlar\u0131 gibi \u00fc\u00e7\u00fcnc\u00fc taraf servisler de dahildir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. SPF kayd\u0131n\u0131 olu\u015fturun<\/h3>\n\n\n\n<p>DNS y\u00f6netim panelinize giri\u015f yaparak yeni bir TXT kayd\u0131 olu\u015fturman\u0131z gerekir. SPF kayd\u0131 genellikle a\u015fa\u011f\u0131daki formatta yaz\u0131l\u0131r:<\/p>\n\n\n\n<pre class=\"wp-block-verse\">v=spf1 ip4:xxx.xxx.xxx.xxx include:servisadi.com ~all<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">3. Kayd\u0131 yay\u0131nlay\u0131n<\/h3>\n\n\n\n<p>Olu\u015fturdu\u011funuz SPF kayd\u0131n\u0131, TXT kayd\u0131n\u0131n &#8221;de\u011fer (value)&#8221; alan\u0131na yap\u0131\u015ft\u0131r\u0131n ve de\u011fi\u015fiklikleri kaydedin. (DNS de\u011fi\u015fikliklerinin tamamen aktif olmas\u0131 birka\u00e7 saat ile 48 saat aras\u0131nda s\u00fcrebilir)<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. SPF kayd\u0131n\u0131 test edin<\/h3>\n\n\n\n<p>Kay\u0131t yay\u0131nland\u0131ktan sonra do\u011fru \u015fekilde \u00e7al\u0131\u015ft\u0131\u011f\u0131ndan emin olun. Bunun i\u00e7in a\u015fa\u011f\u0131daki ad\u0131mlar\u0131 uygulayabilirsiniz:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/uzmanposta.com\/spf-kaydi-olusturma\/\">SPF Kayd\u0131 Sorgulama <\/a>arac\u0131m\u0131z gibi \u00e7evrimi\u00e7i do\u011frulama ara\u00e7lar\u0131n\u0131 kullanabilirsiniz<\/li>\n\n\n\n<li>Ya da kendinize d\u0131\u015far\u0131dan bir test e-postas\u0131 g\u00f6nderip, e-posta ba\u015fl\u0131klar\u0131nda Received-SPF: sat\u0131r\u0131n\u0131 kontrol edebilirsiniz. Bu sat\u0131r, SPF do\u011frulamas\u0131n\u0131n ba\u015far\u0131l\u0131 olup olmad\u0131\u011f\u0131n\u0131 g\u00f6sterir.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">E-posta G\u00fcvenli\u011fi Neden \u00d6nemlidir?<\/h2>\n\n\n\n<p>E-posta hemen hemen t\u00fcm kurumlarda ana ileti\u015fim \u015feklidir ve genellikle m\u00fc\u015fteri veya finansal bilgiler gibi hassas bilgileri i\u00e7erir. Bu y\u00fczden g\u00f6nderilen e-postalar\u0131n hacmi ve i\u00e7erebilecekleri bilgilerin \u00e7e\u015fitlili\u011fi, e-posta g\u00fcvenli\u011fini en \u00f6nemli \u00f6ncelik haline getirmektedir.<\/p>\n\n\n\n<p>Bilgisayar korsanlar\u0131, kullan\u0131c\u0131lar\u0131 hassas kurumsal bilgileri ve hatta oturum a\u00e7ma kimlik bilgilerini payla\u015fmalar\u0131 konusunda kand\u0131rmak i\u00e7in kimlik av\u0131 kampanyalar\u0131na giri\u015fir veya sosyal m\u00fchendislik taktikleri gibi karma\u015f\u0131k sald\u0131r\u0131lar kullan\u0131r. Veri ihlalleri, ele ge\u00e7irilmi\u015f e-posta hesaplar\u0131 ve ciddi k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m bula\u015fmalar\u0131, sa\u011flam g\u00fcvenlik \u00f6nlemleri ve kapsaml\u0131 personel e\u011fitim programlar\u0131 olmayan kurulu\u015flar\u0131 etkileyebilir.<\/p>\n\n\n\n<p>Bir\u00e7ok sekt\u00f6r\u00fcn veri g\u00fcvenli\u011fi i\u00e7in HIPAA veya PCI DSS gibi yasal ve d\u00fczenleyici gereksinimleri vard\u0131r. Bu d\u00fczenlemelere uyulmamas\u0131 \u00f6nemli para cezalar\u0131 ve yasal yapt\u0131r\u0131mlarla sonu\u00e7lanabilir. E-posta g\u00fcvenlik \u00f6nlemleri, kurumlar\u0131n uyumluluk gereksinimlerini kar\u015f\u0131lamas\u0131na ve maliyetli ihlallerden ka\u00e7\u0131nmas\u0131na yard\u0131mc\u0131 olabilir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Bir SPF Kayd\u0131 Nas\u0131l G\u00f6r\u00fcn\u00fcr? SPF Kayd\u0131 Yap\u0131lmad\u0131\u011f\u0131na Dair \u00d6rnek (Tablo)&nbsp;<\/h2>\n\n\n\n<p>SPF kayd\u0131n\u0131n temel yap\u0131s\u0131 a\u015fa\u011f\u0131daki \u015fekildedir:<\/p>\n\n\n\n<pre class=\"wp-block-verse\"><code>v=spf1 include:spf.mailprovider.com ~all<\/code><\/pre>\n\n\n\n<p>Bu \u00f6rnekte:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><kbd>v=spf1<\/kbd>: SPF kayd\u0131n\u0131n s\u00fcr\u00fcm\u00fcn\u00fc belirtir. (Her zaman b\u00f6yle ba\u015flar.)<\/li>\n\n\n\n<li><kbd>include:spf.mailprovider.com<\/kbd>: Yetkili posta sunucusunu tan\u0131mlar.<\/li>\n\n\n\n<li><kbd>~all<\/kbd>: Geri kalan t\u00fcm kaynaklara &#8220;yumu\u015fak red&#8221; uygular (g\u00fcvenilir de\u011fil, ama tamamen engelleme).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">SPF Kayd\u0131 \u00d6rnek Tablo<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Alan Ad\u0131<\/strong><\/td><td><strong>SPF Kayd\u0131 Durumu<\/strong><\/td><td><strong>Sonu\u00e7 \/ Risk Durumu<\/strong><\/td><td><strong>\u00d6neri<\/strong><\/td><\/tr><tr><td>sirketadi.com<\/td><td>SPF kayd\u0131 yok<\/td><td>Y\u00fcksek risk ta\u015f\u0131r \u2013 Sahte e-posta g\u00f6nderilebilir.<\/td><td>SPF kayd\u0131 eklenmelidir.<\/td><\/tr><tr><td>sirketadi.net<\/td><td><kbd>v=spf1 include:_spf.google.com ~all<\/kbd><\/td><td>Ge\u00e7erli kay\u0131t \u2013 Soft fail uygulan\u0131r.<\/td><td>G\u00fcvenlik i\u00e7in&nbsp;<code>-all<\/code>\u00f6nerilir.<\/td><\/tr><tr><td>markamail.org<\/td><td><kbd>v=spf1 include:spf.mailhost.com -all<\/kbd><\/td><td>G\u00fcvenlidir \u2013 Sadece belirlenen sunucular e-posta g\u00f6nderebilir.<\/td><td>SPF yap\u0131land\u0131rmas\u0131 do\u011frudur.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">E-posta Kimlik Do\u011frulama Standartlar\u0131 Nelerdir?<\/h2>\n\n\n\n<p>SMTP sizi e-posta sahtekarl\u0131\u011f\u0131, kimlik av\u0131 ve spam gibi sahtekarl\u0131klardan koruyamaz. Bir e-posta iletisinin kayna\u011f\u0131n\u0131 belirleyecek ve alan ad\u0131n\u0131 do\u011frulayacak bir \u00f6zelli\u011fe sahip de\u011fildir. Bu i\u015fi e-posta kimlik do\u011frulamas\u0131 yapabilir.<\/p>\n\n\n\n<p>E-posta\u2019lar\u0131n kimli\u011fini do\u011frulamak i\u00e7in yayg\u0131n olarak benimsenen \u00fc\u00e7 standart vard\u0131r: SPF, DKIM ve DMARC. K\u0131saca, her biri a\u015fa\u011f\u0131dakileri yapar:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SPF<\/strong>, e-posta&#8217;n\u0131n geldi\u011fi IP adresinin yetkili olup olmad\u0131\u011f\u0131n\u0131 kontrol eder.<\/li>\n\n\n\n<li><strong>DKIM<\/strong>, imza do\u011frulama i\u00e7in anahtarlar\u0131 kullanarak mesaj\u0131 kontrol eder.<\/li>\n\n\n\n<li><strong>DMARC<\/strong>, her iki yakla\u015f\u0131m\u0131 tek seferde kapsar.<\/li>\n<\/ul>\n\n\n\n<p>SPF, DKIM ve DMARC, teknik uygulama a\u00e7\u0131s\u0131ndan farkl\u0131l\u0131k g\u00f6sterir, ancak bunlar\u0131n t\u00fcm\u00fc DNS kay\u0131tlar\u0131ndan yararlan\u0131r.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SPF Kayd\u0131 Nas\u0131l Do\u011frulan\u0131r?<\/h2>\n\n\n\n<p>Uzman Posta arac\u0131l\u0131\u011f\u0131yla g\u00f6nderilen e-postalar\u0131 SPF&#8217;ye ge\u00e7irmek i\u00e7in hi\u00e7bir \u015fey yapman\u0131z gerekmez, ancak \u00e7o\u011fu hizmet i\u00e7in SPF&#8217;yi uygulamak, DNS&#8217;de yaln\u0131zca bir TXT giri\u015fi gerektirir. Bu girdi, k\u0131sa bir metin sat\u0131r\u0131nda birden \u00e7ok de\u011feri birle\u015ftirir. Bir sa\u011flay\u0131c\u0131 bunlar\u0131 SPF giri\u015finize eklemenize ihtiya\u00e7 duyarsa, SPF giri\u015finize kopyalaman\u0131z gereken tam metni sa\u011flar.<\/p>\n\n\n\n<p>SPF&#8217;yi kurarken en yayg\u0131n hata, DNS&#8217;nizde birden \u00e7ok SPF TXT giri\u015finin olmas\u0131d\u0131r. Bunu yaparsan\u0131z, al\u0131c\u0131 sunucu hangi SPF TXT giri\u015finin kesin girdi oldu\u011funu bilmez. Bu, ge\u00e7erli sunucular\u0131n SPF&#8217;de ba\u015far\u0131s\u0131z olmas\u0131na neden olabilir. Bu nedenle, yeni bir hizmet i\u00e7in bir SPF kayd\u0131 eklemeniz gerekti\u011finde, her zaman \u00f6nce mevcut bir SPF TXT giri\u015finiz olmad\u0131\u011f\u0131ndan&nbsp; emin olun. Zaten bir giri\u015finiz varsa, servisi o giri\u015fe eklemeniz yeterlidir.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/uzmanposta.com\/spf-kaydi-sorgulama\/\"><img decoding=\"async\" width=\"750\" height=\"375\" src=\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2020\/09\/uzman-posta-spf-kaydi-sorgulama.jpeg\" alt=\"\" class=\"wp-image-719\" style=\"width:750px;height:375px\" srcset=\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2020\/09\/uzman-posta-spf-kaydi-sorgulama.jpeg 750w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2020\/09\/uzman-posta-spf-kaydi-sorgulama-300x150.jpeg 300w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2020\/09\/uzman-posta-spf-kaydi-sorgulama-360x180.jpeg 360w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p><a href=\"https:\/\/uzmanposta.com\/spf-kaydi-olusturma\/\">SPF kayd\u0131n\u0131z\u0131 kontrol etmek i\u00e7in linke t\u0131klayabilir<\/a> ya da yukar\u0131da sayd\u0131\u011f\u0131m\u0131z t\u00fcm bu \u00f6zellikleri size sunan bir\u00a0e-posta hizmetine\u00a0ihtiya\u00e7 duyuyorsan\u0131z, Uzman Posta web sitesine gelebilir, Uzman Posta\u2019n\u0131n kesintisiz e-posta servisini deneyimleyebilirsiniz.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DMARC ve DKIM ile SPF&#8217;nin Uyumu<\/h2>\n\n\n\n<p>DMARC, DKIM ve SPF aras\u0131nda se\u00e7im yapmak kafa kar\u0131\u015ft\u0131r\u0131c\u0131 olabilir, ancak bu protokoller birlikte kullan\u0131ld\u0131\u011f\u0131nda genellikle daha etkilidir.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SPF (Sender Policy Framework):<\/strong> Basit e-posta kurulumlar\u0131 i\u00e7in ve e-posta sahtecili\u011fine kar\u015f\u0131 temel korumaya ihtiya\u00e7 duydu\u011funuzda en iyisidir. Ancak, yanl\u0131\u015f pozitif olas\u0131l\u0131\u011f\u0131 gibi s\u0131n\u0131rlamalar\u0131 vard\u0131r.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/uzmanposta.com\/blog\/dkim-nedir\/\">DKIM (DomainKeys Identified Mail)<\/a>: <\/strong>Kriptografik imzalar\u0131 i\u00e7eren daha sa\u011flam bir e-posta kimlik do\u011frulama y\u00f6ntemine ihtiya\u00e7 duyan i\u015fletmeler i\u00e7in idealdir. Daha g\u00fcvenlidir ancak kurulumu daha fazla teknik uzmanl\u0131k gerektirir. SPF e-postan\u0131n kayna\u011f\u0131n\u0131 do\u011frularken, DKIM i\u00e7eri\u011fini do\u011frular. Birlikte, sahtecilik ve kimlik av\u0131 gibi yayg\u0131n e-posta tehditlerine kar\u015f\u0131 daha katmanl\u0131 ve sa\u011flam bir savunma sa\u011flarlar.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/uzmanposta.com\/dmarc-sorgulama\/\">DMARC (Domain-based Message Authentication, Reporting &amp; Conformance)<\/a>:<\/strong> Temel olarak SPF ve DKIM ile birlikte uygulanmal\u0131d\u0131r. Raporlama yoluyla i\u00e7g\u00f6r\u00fc kazanmak ve e-posta teslim edilebilirli\u011fi \u00fczerinde tam kontrol sahibi olmak isteyen kurumlar i\u00e7in m\u00fckemmeldir.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">SPF Kayd\u0131 Olmadan E-Posta G\u00f6ndermek Riskli midir?<\/h2>\n\n\n\n<p>SPF kimlik do\u011frulamas\u0131 olmadan, al\u0131c\u0131 sunucular bir e-postan\u0131n yasal olup olmad\u0131\u011f\u0131n\u0131 ve ger\u00e7ekten sizin alan ad\u0131n\u0131zdan gelip gelmedi\u011fini do\u011frulayamaz. SPF ayr\u0131ca e-posta teslim edilebilirli\u011finizi art\u0131rmaya da yard\u0131mc\u0131 olur. SPF kayd\u0131 mevcut oldu\u011funda, spam g\u00f6nderenler alan ad\u0131n\u0131z\u0131 e-posta doland\u0131r\u0131c\u0131l\u0131\u011f\u0131 i\u00e7in kullanamaz, bu da e-postalar\u0131n\u0131z\u0131n spam veya \u00f6nemsiz olarak i\u015faretlenme olas\u0131l\u0131\u011f\u0131n\u0131n daha d\u00fc\u015f\u00fck oldu\u011fu anlam\u0131na gelir. E-posta sunucular\u0131, SPF yoksa alan ad\u0131n\u0131za ait e-postalar\u0131 reddedebilir \u00e7\u00fcnk\u00fc e-postan\u0131n ger\u00e7ekten alan ad\u0131n\u0131zdan geldi\u011fini do\u011frulayamazlar.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SPF Kay\u0131tlar\u0131 Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/h2>\n\n\n\n<p>Bir e-posta al\u0131nd\u0131\u011f\u0131nda, al\u0131c\u0131 sunucu a\u015fa\u011f\u0131daki ad\u0131mlar\u0131 izler:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>E-posta zarf\u0131ndaki FROM (G\u00f6nderen) adresinden alan ad\u0131 \u00e7\u0131kar\u0131l\u0131r.<\/li>\n\n\n\n<li>(\u00f6rnek: @sirketadi.com)<\/li>\n\n\n\n<li>Bu alan ad\u0131na ait DNS kay\u0131tlar\u0131 i\u00e7inde, \u201cv=spf1\u201d ile ba\u015flayan TXT kay\u0131tlar\u0131 aran\u0131r.<\/li>\n\n\n\n<li>E\u011fer SPF kayd\u0131 bulunamazsa, sistem &#8221;Neutral (Tarafs\u0131z)&#8221; sonucu d\u00f6ner.<\/li>\n\n\n\n<li>E\u011fer birden fazla SPF kayd\u0131 varsa, bu PermError (Kal\u0131c\u0131 Hata) olarak de\u011ferlendirilir ve yap\u0131land\u0131rma ge\u00e7ersiz say\u0131l\u0131r.<\/li>\n\n\n\n<li>Ge\u00e7erli bir SPF kayd\u0131 varsa, listedeki mekanizmalar ve de\u011fi\u015ftiriciler kontrol edilerek g\u00f6nderen sunucunun yetkili olup olmad\u0131\u011f\u0131 belirlenir.<\/li>\n\n\n\n<li>E\u011fer e-posta g\u00f6nderen IP veya sunucu yetkili listede varsa, SPF kontrol\u00fc ge\u00e7er.<\/li>\n\n\n\n<li>E\u011fer yetkili de\u011filse, SPF kontrol\u00fc ba\u015far\u0131s\u0131z olur ve e-posta reddedilebilir ya da spam olarak i\u015faretlenebilir.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">S\u0131k Yap\u0131lan Hatalar ve Dikkat Edilmesi Gerekenler<\/h2>\n\n\n\n<p>Uygun e-posta g\u00fcvenli\u011fini sa\u011flamak i\u00e7in alan ad\u0131n\u0131z i\u00e7in bir SPF kayd\u0131 olu\u015ftururken a\u015fa\u011f\u0131daki yayg\u0131n SPF hatalar\u0131n\u0131 akl\u0131n\u0131zda bulundurun:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. 10 DNS Sorgulama S\u0131n\u0131r\u0131n\u0131n A\u015f\u0131lmas\u0131<\/h3>\n\n\n\n<p>SPF do\u011frulamas\u0131 yap\u0131l\u0131rken, al\u0131c\u0131 sunucu en fazla&nbsp;10 DNS sorgusu&nbsp;ger\u00e7ekle\u015ftirebilir. Bu s\u0131n\u0131r a\u015f\u0131l\u0131rsa SPF kayd\u0131 \u00e7al\u0131\u015fmaz ve e-postalar ya&nbsp;do\u011frulanamaz ya da hi\u00e7 teslim edilmez. Bu durum alan ad\u0131n\u0131z\u0131n k\u00f6t\u00fcye kullan\u0131lmas\u0131na yol a\u00e7abilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Birden Fazla SPF Kayd\u0131 Tan\u0131mlamak<\/h3>\n\n\n\n<p>Bir alan ad\u0131nda&nbsp;yaln\u0131zca tek bir SPF kayd\u0131&nbsp;bulunmal\u0131d\u0131r. Birden fazla SPF kayd\u0131 varsa al\u0131c\u0131 sunucular hangisini dikkate alacaklar\u0131n\u0131 bilemez ve bu durum&nbsp;e-posta teslimat ba\u015far\u0131s\u0131zl\u0131klar\u0131na&nbsp;neden olur.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Yaz\u0131m ve Bi\u00e7im Hatalar\u0131<\/h3>\n\n\n\n<p>Yanl\u0131\u015f yaz\u0131lm\u0131\u015f mekanizmalar (\u00f6rne\u011fin&nbsp;<code>ip4<\/code>,&nbsp;<code>include<\/code>) ya da bo\u015fluk, tire ve b\u00fcy\u00fck harf gibi bi\u00e7im hatalar\u0131 SPF kayd\u0131n\u0131n \u00e7al\u0131\u015fmas\u0131n\u0131 engeller. \u00d6rne\u011fin,&nbsp;<code>\u2013all<\/code>&nbsp;yerine&nbsp;<code>-all<\/code>&nbsp;kullan\u0131lmal\u0131, mekanizmalar aras\u0131nda&nbsp;yaln\u0131zca bir bo\u015fluk&nbsp;olmal\u0131 ve kay\u0131t mutlaka&nbsp;<code>v=spf1<\/code>&nbsp;ile ba\u015flamal\u0131d\u0131r.<br><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. E-posta G\u00f6ndermeyen Alan Adlar\u0131n\u0131 G\u00f6z Ard\u0131 Etmek<\/h3>\n\n\n\n<p>\u00c7o\u011fu ki\u015fi aktif posta g\u00f6nderen alan adlar\u0131n\u0131 SPF ile korur ve posta g\u00f6ndermeyen alan adlar\u0131 i\u00e7in bir SPF kayd\u0131 olu\u015fturmak i\u00e7in bu kadar \u00e7aba sarf etmez. Bilgisayar korsanlar\u0131 bir kurumun savunmas\u0131n\u0131 a\u015fmak i\u00e7in genellikle e-posta g\u00f6ndermeyen alan adlar\u0131n\u0131 taklit eder. E-posta g\u00f6ndermeyen bir veya daha fazla alan ad\u0131n\u0131z varsa, yapabilece\u011finiz en iyi \u015fey bunlar i\u00e7in null SPF kay\u0131tlar\u0131 yay\u0131nlamakt\u0131r.<\/p>\n\n\n\n<p>Herhangi bir alan ad\u0131 i\u00e7in null SPF kayd\u0131 (&#8221;v=spf1 -all&#8221;) yay\u0131nlamak, bu alan ad\u0131n\u0131n herhangi bir e-posta g\u00f6ndermedi\u011fini a\u00e7\u0131k\u00e7a beyan eder. \u00d6rne\u011fin, abc.com alan ad\u0131n\u0131z herhangi bir e-posta g\u00f6ndermek i\u00e7in kullan\u0131lm\u0131yorsa, bunun i\u00e7in a\u015fa\u011f\u0131daki SPF kayd\u0131n\u0131 yay\u0131nlayabilirsiniz:<\/p>\n\n\n\n<p>&#8221;v=spf1 a:mail.abc.com -all&#8221;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Alan Ad\u0131ma Neden Bir SPF Kayd\u0131 Eklemeliyim?<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"750\" height=\"375\" src=\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2020\/09\/alan-adima-neden-bir-spf-kaydi-eklemeliyim.png\" alt=\"\" class=\"wp-image-721\" srcset=\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2020\/09\/alan-adima-neden-bir-spf-kaydi-eklemeliyim.png 750w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2020\/09\/alan-adima-neden-bir-spf-kaydi-eklemeliyim-300x150.png 300w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2020\/09\/alan-adima-neden-bir-spf-kaydi-eklemeliyim-360x180.png 360w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n<\/div>\n\n\n<p>SPF m\u00fckemmel bir standart olmayabilir, ancak yine de bu standart\u0131 kullanmamaktansa kullanman\u0131z, sizin i\u00e7in \u00e7ok daha etkili olacakt\u0131r.&nbsp;<\/p>\n\n\n\n<p>E-posta\u2019lar SPF kurulmadan da teslim edilebilir, ancak SPF kullanmak \u015fans\u0131n\u0131z\u0131 art\u0131r\u0131r. Bir SPF politikas\u0131na sahip olmak, ISS&#8217;lere ek bir g\u00fcven sinyali sa\u011flar, b\u00f6ylece e-posta\u2019lar\u0131n\u0131z\u0131n gelen kutusuna ula\u015fma olas\u0131l\u0131\u011f\u0131n\u0131 art\u0131rabilirsiniz. Sonu\u00e7 olarak, SPF t\u00fcm teslimat sorunlar\u0131n\u0131z\u0131 \u00e7\u00f6zmez, ancak teslimat oranlar\u0131n\u0131z\u0131 iyile\u015ftirebilir ve k\u00f6t\u00fcye kullan\u0131m\u0131 \u00f6nleyebilecek ek bir katmand\u0131r.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0130stenmeyen e-posta ve e-posta doland\u0131r\u0131c\u0131l\u0131\u011f\u0131, dijital ileti\u015fimin g\u00fcvenli\u011fini tehdit eden s\u00fcrekli bir problemdir. Bu y\u00fczden konuyla alakal\u0131 birka\u00e7 standart geli\u015ftirilmi\u015ftir. Bu standartlardan biri de SPF kayd\u0131 veya &#8220;E-Posta G\u00f6nderen Politikas\u0131&#8221;d\u0131r. SPF kayd\u0131, bir alan ad\u0131n\u0131n, hangi sunucular\u0131n kendi ad\u0131na e-posta g\u00f6nderebilece\u011fini herkese a\u00e7\u0131k olarak belirtmesini sa\u011flar. Kullanmak i\u00e7in SPF kay\u0131tlar\u0131n\u0131n her ayr\u0131nt\u0131s\u0131n\u0131 anlamak zorunda de\u011filsiniz, [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":720,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86,1],"tags":[],"class_list":["post-717","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guvenlik","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>SPF (Sender Policy Framework) Kayd\u0131 Nedir, Nas\u0131l Yap\u0131l\u0131r? - 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\/spf-kaydi-nedir-nasil-yapilir\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SPF (Sender Policy Framework) Kayd\u0131 Nedir, Nas\u0131l Yap\u0131l\u0131r? - Uzman Posta\" \/>\n<meta property=\"og:description\" content=\"\u0130stenmeyen e-posta ve e-posta doland\u0131r\u0131c\u0131l\u0131\u011f\u0131, dijital ileti\u015fimin g\u00fcvenli\u011fini tehdit eden s\u00fcrekli bir problemdir. Bu y\u00fczden konuyla alakal\u0131 birka\u00e7 standart geli\u015ftirilmi\u015ftir. Bu standartlardan biri de SPF kayd\u0131 veya &#8220;E-Posta G\u00f6nderen Politikas\u0131&#8221;d\u0131r. SPF kayd\u0131, bir alan ad\u0131n\u0131n, hangi sunucular\u0131n kendi ad\u0131na e-posta g\u00f6nderebilece\u011fini herkese a\u00e7\u0131k olarak belirtmesini sa\u011flar. Kullanmak i\u00e7in SPF kay\u0131tlar\u0131n\u0131n her ayr\u0131nt\u0131s\u0131n\u0131 anlamak zorunda de\u011filsiniz, [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/uzmanposta.com\/blog\/spf-kaydi-nedir-nasil-yapilir\/\" \/>\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=\"2020-09-22T06:54:41+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-03T15:54:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2020\/09\/spf-kaydi-nedir-nasil-yapilir.png\" \/>\n\t<meta property=\"og:image:width\" content=\"750\" \/>\n\t<meta property=\"og:image:height\" content=\"375\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\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":"SPF (Sender Policy Framework) Kayd\u0131 Nedir, Nas\u0131l Yap\u0131l\u0131r? - 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\/spf-kaydi-nedir-nasil-yapilir\/","og_locale":"tr_TR","og_type":"article","og_title":"SPF (Sender Policy Framework) Kayd\u0131 Nedir, Nas\u0131l Yap\u0131l\u0131r? - Uzman Posta","og_description":"\u0130stenmeyen e-posta ve e-posta doland\u0131r\u0131c\u0131l\u0131\u011f\u0131, dijital ileti\u015fimin g\u00fcvenli\u011fini tehdit eden s\u00fcrekli bir problemdir. Bu y\u00fczden konuyla alakal\u0131 birka\u00e7 standart geli\u015ftirilmi\u015ftir. Bu standartlardan biri de SPF kayd\u0131 veya &#8220;E-Posta G\u00f6nderen Politikas\u0131&#8221;d\u0131r. SPF kayd\u0131, bir alan ad\u0131n\u0131n, hangi sunucular\u0131n kendi ad\u0131na e-posta g\u00f6nderebilece\u011fini herkese a\u00e7\u0131k olarak belirtmesini sa\u011flar. Kullanmak i\u00e7in SPF kay\u0131tlar\u0131n\u0131n her ayr\u0131nt\u0131s\u0131n\u0131 anlamak zorunda de\u011filsiniz, [&hellip;]","og_url":"https:\/\/uzmanposta.com\/blog\/spf-kaydi-nedir-nasil-yapilir\/","og_site_name":"Blog","article_publisher":"https:\/\/www.facebook.com\/uzmanposta\/","article_published_time":"2020-09-22T06:54:41+00:00","article_modified_time":"2026-02-03T15:54:34+00:00","og_image":[{"width":750,"height":375,"url":"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2020\/09\/spf-kaydi-nedir-nasil-yapilir.png","type":"image\/png"}],"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 dakika"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/uzmanposta.com\/blog\/spf-kaydi-nedir-nasil-yapilir\/#article","isPartOf":{"@id":"https:\/\/uzmanposta.com\/blog\/spf-kaydi-nedir-nasil-yapilir\/"},"author":{"name":"Sibel Ho\u015f","@id":"https:\/\/uzmanposta.com\/blog\/#\/schema\/person\/ac85212a35ebcaaf56c92a7e051813d6"},"headline":"SPF (Sender Policy Framework) Kayd\u0131 Nedir, Nas\u0131l Yap\u0131l\u0131r?","datePublished":"2020-09-22T06:54:41+00:00","dateModified":"2026-02-03T15:54:34+00:00","mainEntityOfPage":{"@id":"https:\/\/uzmanposta.com\/blog\/spf-kaydi-nedir-nasil-yapilir\/"},"wordCount":2151,"publisher":{"@id":"https:\/\/uzmanposta.com\/blog\/#organization"},"image":{"@id":"https:\/\/uzmanposta.com\/blog\/spf-kaydi-nedir-nasil-yapilir\/#primaryimage"},"thumbnailUrl":"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2020\/09\/spf-kaydi-nedir-nasil-yapilir.png","articleSection":["G\u00fcvenlik","Nedir? 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