{"id":8833,"date":"2025-01-19T00:26:44","date_gmt":"2025-01-18T21:26:44","guid":{"rendered":"https:\/\/sunucucozumleri.com\/blog\/?p=8833"},"modified":"2025-01-19T00:26:44","modified_gmt":"2025-01-18T21:26:44","slug":"dkim-nedir","status":"publish","type":"post","link":"https:\/\/sunucucozumleri.com\/blog\/dkim-nedir\/","title":{"rendered":"Dkim Nedir?"},"content":{"rendered":"<p data-pm-slice=\"1 1 []\"><strong>DKIM<\/strong> (DomainKeys Identified Mail), bir alan ad\u0131ndan g\u00f6nderilen e-postalar\u0131n do\u011frulu\u011funu ve g\u00fcvenilirli\u011fini sa\u011flamak amac\u0131yla kullan\u0131lan bir e-posta kimlik do\u011frulama protokol\u00fcd\u00fcr. DKIM, e-posta ileti\u015fiminde sahtecilik ve kimlik h\u0131rs\u0131zl\u0131\u011f\u0131n\u0131 \u00f6nlemek i\u00e7in dijital imzalar kullan\u0131r. Bu makalede DKIM&#8217;in ne oldu\u011fu, nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131, neden \u00f6nemli oldu\u011fu ve nas\u0131l yap\u0131land\u0131r\u0131laca\u011f\u0131 teknik detaylar\u0131yla ele al\u0131nacakt\u0131r.<\/p>\n<div>\n<hr \/>\n<\/div>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Makale \u0130\u00e7eri\u011fi<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u0130\u00e7indekiler Tablosunu A\u00e7\/Kapat\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/sunucucozumleri.com\/blog\/dkim-nedir\/#DKIMin_Tanimi_ve_Amaci\" >DKIM&#8217;in Tan\u0131m\u0131 ve Amac\u0131<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/sunucucozumleri.com\/blog\/dkim-nedir\/#DKIMin_Temel_Amaclari\" >DKIM&#8217;in Temel Ama\u00e7lar\u0131<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/sunucucozumleri.com\/blog\/dkim-nedir\/#DKIM_Nasil_Calisir\" >DKIM Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/sunucucozumleri.com\/blog\/dkim-nedir\/#1_Gonderici_Tarafi\" >1. G\u00f6nderici Taraf\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/sunucucozumleri.com\/blog\/dkim-nedir\/#2_Alici_Tarafi\" >2. Al\u0131c\u0131 Taraf\u0131<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/sunucucozumleri.com\/blog\/dkim-nedir\/#DKIMin_Bilesenleri\" >DKIM&#8217;in Bile\u015fenleri<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/sunucucozumleri.com\/blog\/dkim-nedir\/#1_Ozel_ve_Acik_Anahtarlar\" >1. \u00d6zel ve A\u00e7\u0131k Anahtarlar<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/sunucucozumleri.com\/blog\/dkim-nedir\/#2_DKIM-Signature_Alani\" >2. DKIM-Signature Alan\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/sunucucozumleri.com\/blog\/dkim-nedir\/#3_DNS_TXT_Kaydi\" >3. DNS TXT Kayd\u0131<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/sunucucozumleri.com\/blog\/dkim-nedir\/#DKIM_Neden_Onemlidir\" >DKIM Neden \u00d6nemlidir?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/sunucucozumleri.com\/blog\/dkim-nedir\/#1_Sahtecilik_ve_Phishing_Saldirilarini_Onleme\" >1. Sahtecilik ve Phishing Sald\u0131r\u0131lar\u0131n\u0131 \u00d6nleme<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/sunucucozumleri.com\/blog\/dkim-nedir\/#2_E-posta_Guvenilirligini_Artirma\" >2. E-posta G\u00fcvenilirli\u011fini Art\u0131rma<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/sunucucozumleri.com\/blog\/dkim-nedir\/#3_Mesaj_Butunlugunu_Saglama\" >3. Mesaj B\u00fct\u00fcnl\u00fc\u011f\u00fcn\u00fc Sa\u011flama<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/sunucucozumleri.com\/blog\/dkim-nedir\/#4_Yasal_Duzenlemelere_Uygunluk\" >4. Yasal D\u00fczenlemelere Uygunluk<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/sunucucozumleri.com\/blog\/dkim-nedir\/#DKIMin_SPF_ve_DMARC_ile_Iliskisi\" >DKIM&#8217;in SPF ve DMARC ile \u0130li\u015fkisi<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/sunucucozumleri.com\/blog\/dkim-nedir\/#1_SPF_Sender_Policy_Framework\" >1. SPF (Sender Policy Framework)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/sunucucozumleri.com\/blog\/dkim-nedir\/#2_DMARC\" >2. DMARC<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/sunucucozumleri.com\/blog\/dkim-nedir\/#DKIM_Nasil_Yapilandirilir\" >DKIM Nas\u0131l Yap\u0131land\u0131r\u0131l\u0131r?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/sunucucozumleri.com\/blog\/dkim-nedir\/#1_DKIM_Anahtar_Ciftinin_Olusturulmasi\" >1. DKIM Anahtar \u00c7iftinin Olu\u015fturulmas\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/sunucucozumleri.com\/blog\/dkim-nedir\/#2_DNS_Kaydinin_Eklenmesi\" >2. DNS Kayd\u0131n\u0131n Eklenmesi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/sunucucozumleri.com\/blog\/dkim-nedir\/#3_Mail_Sunucusunda_DKIMi_Etkinlestirme\" >3. Mail Sunucusunda DKIM&#8217;i Etkinle\u015ftirme<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/sunucucozumleri.com\/blog\/dkim-nedir\/#DKIMin_Avantajlari_ve_Sinirlamalari\" >DKIM&#8217;in Avantajlar\u0131 ve S\u0131n\u0131rlamalar\u0131<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/sunucucozumleri.com\/blog\/dkim-nedir\/#Avantajlari\" >Avantajlar\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/sunucucozumleri.com\/blog\/dkim-nedir\/#Sinirlamalari\" >S\u0131n\u0131rlamalar\u0131<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/sunucucozumleri.com\/blog\/dkim-nedir\/#Sonuc\" >Sonu\u00e7<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"DKIMin_Tanimi_ve_Amaci\"><\/span>DKIM&#8217;in Tan\u0131m\u0131 ve Amac\u0131<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DKIM, g\u00f6nderilen bir e-postan\u0131n yetkili bir kaynaktan geldi\u011fini do\u011frulayan bir kimlik do\u011frulama y\u00f6ntemidir. Temel amac\u0131, al\u0131c\u0131lar\u0131n bir e-postan\u0131n g\u00f6nderici alan ad\u0131yla ili\u015fkilendirilip ili\u015fkilendirilmedi\u011fini anlamas\u0131n\u0131 sa\u011flamakt\u0131r. DKIM, g\u00f6nderici alan ad\u0131n\u0131n k\u00f6t\u00fcye kullan\u0131lmas\u0131n\u0131 \u00f6nler ve e-posta g\u00fcvenli\u011fini art\u0131r\u0131r.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"DKIMin_Temel_Amaclari\"><\/span>DKIM&#8217;in Temel Ama\u00e7lar\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol start=\"1\" data-spread=\"false\">\n<li><strong>Kimlik Do\u011frulama:<\/strong> G\u00f6nderici alan ad\u0131n\u0131n kimli\u011fini do\u011frular.<\/li>\n<li><strong>Mesaj B\u00fct\u00fcnl\u00fc\u011f\u00fc:<\/strong> E-postan\u0131n g\u00f6nderildi\u011fi andan itibaren i\u00e7eri\u011finde de\u011fi\u015fiklik yap\u0131lmad\u0131\u011f\u0131n\u0131 garanti eder.<\/li>\n<li><strong>Sahtecilik \u00d6nleme:<\/strong> Alan adlar\u0131n\u0131n kimlik h\u0131rs\u0131zl\u0131\u011f\u0131 veya sahtecilik i\u00e7in kullan\u0131lmas\u0131n\u0131 engeller.<\/li>\n<li><strong>E-posta G\u00fcvenli\u011fi:<\/strong> G\u00fcvenilir bir e-posta ileti\u015fim a\u011f\u0131 olu\u015fturur.<\/li>\n<\/ol>\n<div>\n<hr \/>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"DKIM_Nasil_Calisir\"><\/span>DKIM Nas\u0131l \u00c7al\u0131\u015f\u0131r?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DKIM, g\u00f6nderici alan ad\u0131n\u0131n DNS (<a href=\"https:\/\/sunucucozumleri.com\/blog\/domain-nedir\/\">Domain<\/a> Name System) kay\u0131tlar\u0131na eklenen bir a\u00e7\u0131k anahtar (public key) ve e-posta ba\u015fl\u0131klar\u0131na eklenen dijital imzalar kullan\u0131larak \u00e7al\u0131\u015f\u0131r. \u0130\u015fte DKIM&#8217;in \u00e7al\u0131\u015fma s\u00fcreci:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_Gonderici_Tarafi\"><\/span>1. G\u00f6nderici Taraf\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol start=\"1\" data-spread=\"true\">\n<li><strong>DKIM Anahtarlar\u0131n\u0131n Olu\u015fturulmas\u0131:<\/strong>\n<ul data-spread=\"false\">\n<li>G\u00f6nderici, bir \u00f6zel anahtar (private key) ve bir a\u00e7\u0131k anahtar (public key) olu\u015fturur.<\/li>\n<li>A\u00e7\u0131k anahtar, DNS kay\u0131tlar\u0131na TXT kayd\u0131 olarak eklenir.<\/li>\n<\/ul>\n<\/li>\n<li><strong>E-posta \u0130mzalama:<\/strong>\n<ul data-spread=\"false\">\n<li>G\u00f6nderilen her e-posta, belirli ba\u015fl\u0131klar ve mesaj g\u00f6vdesi \u00fczerinden \u00f6zel anahtarla imzalan\u0131r.<\/li>\n<li>\u0130mza, e-posta ba\u015fl\u0131klar\u0131na eklenir ve bu imza <code>DKIM-Signature<\/code> ad\u0131 verilen bir alan i\u00e7inde saklan\u0131r.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"2_Alici_Tarafi\"><\/span>2. Al\u0131c\u0131 Taraf\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol start=\"1\" data-spread=\"true\">\n<li><strong>DKIM \u0130mzas\u0131n\u0131n Do\u011frulanmas\u0131:<\/strong>\n<ul data-spread=\"false\">\n<li>Al\u0131c\u0131 <a href=\"https:\/\/sunucucozumleri.com\/blog\/frontpage\/\">sunucu<\/a>, g\u00f6nderici alan ad\u0131n\u0131n DNS kay\u0131tlar\u0131n\u0131 kontrol ederek a\u00e7\u0131k anahtar\u0131 al\u0131r.<\/li>\n<li>A\u00e7\u0131k anahtar, e-posta ba\u015fl\u0131\u011f\u0131ndaki DKIM-Signature alan\u0131n\u0131 do\u011frulamak i\u00e7in kullan\u0131l\u0131r.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Sonu\u00e7:<\/strong>\n<ul data-spread=\"false\">\n<li>\u0130mza do\u011frulan\u0131rsa, e-posta g\u00fcvenilir olarak i\u015faretlenir.<\/li>\n<li>\u0130mza do\u011frulanmazsa, e-posta spam olarak i\u015faretlenebilir veya reddedilebilir.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<div>\n<hr \/>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"DKIMin_Bilesenleri\"><\/span>DKIM&#8217;in Bile\u015fenleri<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"1_Ozel_ve_Acik_Anahtarlar\"><\/span>1. \u00d6zel ve A\u00e7\u0131k Anahtarlar<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-spread=\"false\">\n<li><strong>\u00d6zel Anahtar:<\/strong> E-postay\u0131 imzalamak i\u00e7in kullan\u0131lan gizli anahtar. Bu anahtar g\u00f6nderici sunucusunda saklan\u0131r ve asla payla\u015f\u0131lmaz.<\/li>\n<li><strong>A\u00e7\u0131k Anahtar:<\/strong> E-postan\u0131n do\u011frulu\u011funu kontrol etmek i\u00e7in kullan\u0131lan anahtar. Bu anahtar, DNS \u00fczerinde TXT kayd\u0131 olarak saklan\u0131r.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"2_DKIM-Signature_Alani\"><\/span>2. DKIM-Signature Alan\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><code>DKIM-Signature<\/code> ba\u015fl\u0131\u011f\u0131, e-posta mesaj\u0131na eklenir ve \u015fu bilgileri i\u00e7erir:<\/p>\n<ul data-spread=\"false\">\n<li><strong>d=<\/strong>: \u0130mzan\u0131n ait oldu\u011fu alan ad\u0131.<\/li>\n<li><strong>s=<\/strong>: DKIM se\u00e7icisi (selector), DNS kayd\u0131ndaki belirli bir anahtar\u0131 i\u015faret eder.<\/li>\n<li><strong>h=<\/strong>: \u0130mzalanan ba\u015fl\u0131klar (\u00f6r. <code>From<\/code>, <code>Subject<\/code>).<\/li>\n<li><strong>b=<\/strong>: \u0130mzan\u0131n \u015fifreli hali.<\/li>\n<li><strong>bh=<\/strong>: Mesaj g\u00f6vdesinin hash de\u011feri.<\/li>\n<li><strong>v=1<\/strong>: DKIM protokol versiyonu.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"3_DNS_TXT_Kaydi\"><\/span>3. DNS TXT Kayd\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DNS TXT kayd\u0131, a\u00e7\u0131k anahtar\u0131 saklar ve \u015fu formatta yap\u0131land\u0131r\u0131l\u0131r:<\/p>\n<pre><code>selector._domainkey.example.com IN TXT \"v=DKIM1; k=rsa; p=PUBLIC_KEY\"<\/code><\/pre>\n<ul data-spread=\"false\">\n<li><strong>selector:<\/strong> DKIM imzas\u0131n\u0131 belirten bir tan\u0131mlay\u0131c\u0131.<\/li>\n<li><strong>v=DKIM1:<\/strong> DKIM protokol\u00fcn\u00fcn s\u00fcr\u00fcm\u00fc.<\/li>\n<li><strong>k=rsa:<\/strong> Kullan\u0131lan \u015fifreleme algoritmas\u0131 (RSA).<\/li>\n<li><strong>p=PUBLIC_KEY:<\/strong> A\u00e7\u0131k anahtar\u0131n base64 kodlamal\u0131 de\u011feri.<\/li>\n<\/ul>\n<div>\n<hr \/>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"DKIM_Neden_Onemlidir\"><\/span>DKIM Neden \u00d6nemlidir?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DKIM, e-posta g\u00fcvenli\u011finin \u00f6nemli bir bile\u015fenidir ve a\u015fa\u011f\u0131daki nedenlerle kritik \u00f6neme sahiptir:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_Sahtecilik_ve_Phishing_Saldirilarini_Onleme\"><\/span>1. Sahtecilik ve Phishing Sald\u0131r\u0131lar\u0131n\u0131 \u00d6nleme<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-spread=\"false\">\n<li>DKIM, bir alan ad\u0131ndan g\u00f6nderilen sahte e-postalar\u0131 tespit eder ve engeller.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"2_E-posta_Guvenilirligini_Artirma\"><\/span>2. E-posta G\u00fcvenilirli\u011fini Art\u0131rma<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-spread=\"false\">\n<li>DKIM, e-postalar\u0131n g\u00fcvenilir kaynaklardan geldi\u011fini do\u011frular, bu da teslimat oranlar\u0131n\u0131 art\u0131r\u0131r.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"3_Mesaj_Butunlugunu_Saglama\"><\/span>3. Mesaj B\u00fct\u00fcnl\u00fc\u011f\u00fcn\u00fc Sa\u011flama<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-spread=\"false\">\n<li>E-postan\u0131n i\u00e7eri\u011finin g\u00f6nderim s\u0131ras\u0131nda de\u011fi\u015ftirilmedi\u011fini garanti eder.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"4_Yasal_Duzenlemelere_Uygunluk\"><\/span>4. Yasal D\u00fczenlemelere Uygunluk<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-spread=\"false\">\n<li>GDPR, HIPAA gibi yasal d\u00fczenlemeler, g\u00fcvenli ileti\u015fim y\u00f6ntemlerini gerektirir. DKIM, bu gereksinimlerin kar\u015f\u0131lanmas\u0131na yard\u0131mc\u0131 olur.<\/li>\n<\/ul>\n<div>\n<hr \/>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"DKIMin_SPF_ve_DMARC_ile_Iliskisi\"><\/span>DKIM&#8217;in SPF ve DMARC ile \u0130li\u015fkisi<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DKIM, <a href=\"https:\/\/sunucucozumleri.com\/blog\/spf-nedir\/\">SPF<\/a> (<a href=\"https:\/\/sunucucozumleri.com\/blog\/spf-nedir\/\">Sender Policy Framework<\/a>) ve <a href=\"https:\/\/sunucucozumleri.com\/blog\/dmarc-nedir-alan-adina-dmarc-kaydi-ekleme\/\">DMARC<\/a> (Domain-based Message Authentication, Reporting, and Conformance) ile birlikte \u00e7al\u0131\u015farak kapsaml\u0131 bir e-posta kimlik do\u011frulama mekanizmas\u0131 olu\u015fturur:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_SPF_Sender_Policy_Framework\"><\/span>1. SPF (Sender Policy Framework)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>SPF, belirli bir alan ad\u0131ndan e-posta g\u00f6ndermeye yetkili IP adreslerini tan\u0131mlar. DKIM, SPF&#8217;yi tamamlar ve daha ayr\u0131nt\u0131l\u0131 do\u011frulama sa\u011flar.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_DMARC\"><\/span>2. DMARC<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DMARC, DKIM ve SPF sonu\u00e7lar\u0131n\u0131 birle\u015ftirerek sahte e-postalar\u0131n nas\u0131l i\u015flenece\u011fini belirler. DKIM, DMARC do\u011frulamas\u0131 i\u00e7in \u00f6nemli bir kriterdir.<\/p>\n<div>\n<hr \/>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"DKIM_Nasil_Yapilandirilir\"><\/span>DKIM Nas\u0131l Yap\u0131land\u0131r\u0131l\u0131r?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DKIM yap\u0131land\u0131rmas\u0131 genellikle a\u015fa\u011f\u0131daki ad\u0131mlardan olu\u015fur:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_DKIM_Anahtar_Ciftinin_Olusturulmasi\"><\/span>1. DKIM Anahtar \u00c7iftinin Olu\u015fturulmas\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Bir DKIM anahtar \u00e7ifti olu\u015fturmak i\u00e7in kullan\u0131lan ara\u00e7lardan biri OpenDKIM&#8217;dir. \u00d6rnek komutlar:<\/p>\n<pre><code>opendkim-genkey -t -s selector -d example.com<\/code><\/pre>\n<p>Bu komut, \u015fu dosyalar\u0131 olu\u015fturur:<\/p>\n<ul data-spread=\"false\">\n<li><strong>selector.private:<\/strong> \u00d6zel anahtar.<\/li>\n<li><strong>selector.txt:<\/strong> DNS TXT kayd\u0131 i\u00e7in kullan\u0131lacak a\u00e7\u0131k anahtar.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"2_DNS_Kaydinin_Eklenmesi\"><\/span>2. DNS Kayd\u0131n\u0131n Eklenmesi<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><code>selector.txt<\/code> dosyas\u0131ndaki bilgiyi DNS sunucusuna TXT kayd\u0131 olarak ekleyin.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Mail_Sunucusunda_DKIMi_Etkinlestirme\"><\/span>3. Mail Sunucusunda DKIM&#8217;i Etkinle\u015ftirme<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Postfix gibi bir posta sunucusunda DKIM&#8217;i etkinle\u015ftirmek i\u00e7in a\u015fa\u011f\u0131daki ad\u0131mlar uygulanabilir:<\/p>\n<ol start=\"1\" data-spread=\"true\">\n<li>OpenDKIM&#8217;i y\u00fckleyin:\n<pre><code>sudo apt install opendkim opendkim-tools<\/code><\/pre>\n<\/li>\n<li>OpenDKIM yap\u0131land\u0131rma dosyas\u0131n\u0131 d\u00fczenleyin:\n<pre><code>sudo nano \/etc\/opendkim.conf<\/code><\/pre>\n<p>Gerekli ayarlar\u0131 ekleyin:<\/p>\n<pre><code>Domain                 example.com\r\nKeyFile                \/etc\/dkimkeys\/selector.private\r\nSelector               selector\r\nAutoRestart            Yes<\/code><\/pre>\n<\/li>\n<li>Postfix ile entegrasyonu sa\u011flay\u0131n:\n<pre><code>sudo nano \/etc\/postfix\/main.cf<\/code><\/pre>\n<p>\u015eu sat\u0131rlar\u0131 ekleyin:<\/p>\n<pre><code>milter_protocol = 6\r\nmilter_default_action = accept\r\nsmtpd_milters = inet:localhost:8891\r\nnon_smtpd_milters = inet:localhost:8891<\/code><\/pre>\n<\/li>\n<li>Hizmetleri yeniden ba\u015flat\u0131n:\n<pre><code>sudo systemctl <a href=\"https:\/\/sunucucozumleri.com\/blog\/reboot-ve-restart-arasindaki-farklar-nedir\/\">restart<\/a> opendkim\r\nsudo systemctl restart postfix<\/code><\/pre>\n<\/li>\n<\/ol>\n<div>\n<hr \/>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"DKIMin_Avantajlari_ve_Sinirlamalari\"><\/span>DKIM&#8217;in Avantajlar\u0131 ve S\u0131n\u0131rlamalar\u0131<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Avantajlari\"><\/span>Avantajlar\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-spread=\"false\">\n<li><strong>Geli\u015fmi\u015f G\u00fcvenlik:<\/strong> Sahte e-posta ve phishing sald\u0131r\u0131lar\u0131n\u0131 b\u00fcy\u00fck \u00f6l\u00e7\u00fcde \u00f6nler.<\/li>\n<li><strong>Daha \u0130yi Teslimat Oranlar\u0131:<\/strong> E-posta hizmet sa\u011flay\u0131c\u0131lar\u0131 taraf\u0131ndan g\u00fcvenilir olarak alg\u0131lan\u0131r.<\/li>\n<li><strong>Uyumluluk:<\/strong> SPF ve DMARC ile birlikte \u00e7al\u0131\u015farak kapsaml\u0131 bir do\u011frulama sa\u011flar.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Sinirlamalari\"><\/span>S\u0131n\u0131rlamalar\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-spread=\"false\">\n<li><strong>Uygulama Karma\u015f\u0131kl\u0131\u011f\u0131:<\/strong> \u0130lk yap\u0131land\u0131rma ve entegrasyon karma\u015f\u0131k olabilir.<\/li>\n<li><strong>Tam Kapsama Eksikli\u011fi:<\/strong> DKIM sadece do\u011frulanm\u0131\u015f alan adlar\u0131 i\u00e7in \u00e7al\u0131\u015f\u0131r, kullan\u0131c\u0131 seviyesinde koruma sa\u011flamaz.<\/li>\n<\/ul>\n<div>\n<hr \/>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Sonuc\"><\/span>Sonu\u00e7<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DKIM, modern e-posta g\u00fcvenli\u011finin temel ta\u015flar\u0131ndan biridir. G\u00f6nderici alan ad\u0131 kimli\u011fini do\u011frulamak, mesaj b\u00fct\u00fcnl\u00fc\u011f\u00fcn\u00fc korumak ve sahtecilik sald\u0131r\u0131lar\u0131n\u0131 \u00f6nlemek i\u00e7in g\u00fc\u00e7l\u00fc bir \u00e7\u00f6z\u00fcm sunar. Do\u011fru bir \u015fekilde yap\u0131land\u0131r\u0131ld\u0131\u011f\u0131nda, DKIM hem bireysel kullan\u0131c\u0131lar hem de i\u015fletmeler i\u00e7in g\u00fcvenli bir e-posta ileti\u015fim a\u011f\u0131 olu\u015fturur. DKIM&#8217;in SPF ve DMARC ile entegre \u00e7al\u0131\u015fmas\u0131, kapsaml\u0131 bir g\u00fcvenlik mekanizmas\u0131 sa\u011flar ve e-posta g\u00fcvenilirli\u011fini art\u0131r\u0131r.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>DKIM (DomainKeys Identified Mail), bir alan ad\u0131ndan g\u00f6nderilen e-postalar\u0131n do\u011frulu\u011funu ve g\u00fcvenilirli\u011fini sa\u011flamak amac\u0131yla kullan\u0131lan bir e-posta kimlik do\u011frulama protokol\u00fcd\u00fcr. DKIM, e-posta ileti\u015fiminde sahtecilik ve kimlik h\u0131rs\u0131zl\u0131\u011f\u0131n\u0131 \u00f6nlemek i\u00e7in dijital imzalar kullan\u0131r. Bu makalede DKIM&#8217;in ne oldu\u011fu, nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131, neden \u00f6nemli oldu\u011fu ve nas\u0131l yap\u0131land\u0131r\u0131laca\u011f\u0131 teknik detaylar\u0131yla ele al\u0131nacakt\u0131r. DKIM&#8217;in Tan\u0131m\u0131 ve Amac\u0131 DKIM, g\u00f6nderilen &hellip;<\/p>\n","protected":false},"author":1,"featured_media":8834,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[232],"tags":[],"class_list":["post-8833","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/posts\/8833","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/comments?post=8833"}],"version-history":[{"count":0,"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/posts\/8833\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/media\/8834"}],"wp:attachment":[{"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/media?parent=8833"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/categories?post=8833"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/tags?post=8833"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}