{"id":1989,"date":"2026-01-26T04:33:15","date_gmt":"2026-01-26T01:33:15","guid":{"rendered":"https:\/\/markahost.com.tr\/blog\/spf-dkim-ve-dmarc-ile-e-posta-guvenligi-ve-teslim-edilebilirlik\/"},"modified":"2026-01-26T04:33:15","modified_gmt":"2026-01-26T01:33:15","slug":"spf-dkim-ve-dmarc-ile-e-posta-guvenligi-ve-teslim-edilebilirlik","status":"publish","type":"post","link":"https:\/\/markahost.com.tr\/blog\/spf-dkim-ve-dmarc-ile-e-posta-guvenligi-ve-teslim-edilebilirlik\/","title":{"rendered":"SPF, DKIM ve DMARC ile E-Posta G\u00fcvenli\u011fi ve Teslim Edilebilirlik"},"content":{"rendered":"<h2>SPF, DKIM ve DMARC Neden Bu Kadar \u00d6nemli?<\/h2>\n<p><a href=\"https:\/\/markahost.com.tr\/kurumsal-hosting\" data-internallinksmanager029f6b8e52c=\"7\" title=\"kurumsal hosting\">Kurumsal<\/a> bir alan ad\u0131ndan e-posta g\u00f6nderiyorsan\u0131z, itibar\u0131n\u0131z\u0131 belirleyen en kritik unsurlardan biri teslim edilebilirliktir. Yani g\u00f6nderdi\u011finiz e-postalar\u0131n ger\u00e7ekten gelen kutusuna d\u00fc\u015fmesi ve spam klas\u00f6r\u00fcne tak\u0131lmamas\u0131ndan bahsediyoruz. Bir\u00e7ok i\u015fletme harika kampanyalar, \u00f6nemli duyurular haz\u0131rl\u0131yor; fakat SPF, DKIM ve DMARC ayarlar\u0131 do\u011fru yap\u0131lmad\u0131\u011f\u0131 i\u00e7in e-postalar ya hi\u00e7 ula\u015fm\u0131yor ya da spam klas\u00f6r\u00fcnde kayboluyor. \u00d6zellikle <a href=\"https:\/\/markahost.com.tr\/blog\/e-posta-nedir\/\">e-posta nedir ve nas\u0131l \u00e7al\u0131\u015f\u0131r<\/a> konusuna h\u00e2kim olanlar i\u00e7in bile DNS taraf\u0131ndaki bu g\u00fcvenlik kay\u0131tlar\u0131 ilk bak\u0131\u015fta karma\u015f\u0131k g\u00f6r\u00fcnebiliyor.<\/p>\n<p>MarkaHost olarak y\u00fczlerce <a href=\"https:\/\/markahost.com.tr\/alan-adi\" data-internallinksmanager029f6b8e52c=\"44\" title=\"alan ad\u0131\">alan ad\u0131<\/a> ve <a href=\"https:\/\/markahost.com.tr\/mailrelay\" data-internallinksmanager029f6b8e52c=\"21\" title=\"mail relay\">mail<\/a> altyap\u0131s\u0131nda SPF, DKIM ve DMARC kaynakl\u0131 problemler \u00e7\u00f6zd\u00fck. G\u00f6rd\u00fc\u011f\u00fcm\u00fcz tablo hep ayn\u0131: Do\u011fru yap\u0131land\u0131r\u0131lan bu \u00fc\u00e7l\u00fc, hem sahtecilik (spoofing) sald\u0131r\u0131lar\u0131n\u0131 ciddi \u015fekilde azalt\u0131yor hem de Gmail, Outlook gibi servislerde marka g\u00fcven skorunu y\u00fckseltiyor. Bu yaz\u0131da, teknik terimleri olabildi\u011fince sadele\u015ftirerek, SPF, DKIM ve DMARC ayarlar\u0131yla e-posta g\u00fcvenli\u011finizi ve teslim edilebilirli\u011finizi nas\u0131l art\u0131rabilece\u011finizi ad\u0131m ad\u0131m anlataca\u011f\u0131z.<\/p>\n<h2>SPF, DKIM ve DMARC Temel Kavramlar<\/h2>\n<h3>SPF Nedir?<\/h3>\n<p>SPF (Sender Policy Framework), bir alan ad\u0131 ad\u0131na e-posta g\u00f6ndermeye yetkili sunucular\u0131 tan\u0131mlad\u0131\u011f\u0131n\u0131z DNS kayd\u0131d\u0131r. Yani, &#8220;Bu alan ad\u0131 i\u00e7in yaln\u0131zca \u015fu IP adresleri ve \u015fu sunucular mail g\u00f6nderebilir&#8221; demenin standartla\u015ft\u0131r\u0131lm\u0131\u015f yoludur. Al\u0131c\u0131 sunucu, e-postay\u0131 ald\u0131\u011f\u0131nda g\u00f6nderen alan ad\u0131n\u0131n DNS\u2019inden SPF kayd\u0131n\u0131 okur ve gelen IP\u2019nin yetkili olup olmad\u0131\u011f\u0131n\u0131 kontrol eder. SPF kayd\u0131, DNS \u00fczerinde bir <strong>TXT<\/strong> kayd\u0131 olarak tan\u0131mlan\u0131r.<\/p>\n<h3>DKIM Nedir?<\/h3>\n<p>DKIM (DomainKeys Identified Mail), e-postalar\u0131n\u0131za kriptografik bir imza ekleyerek, iletim s\u0131ras\u0131nda i\u00e7eri\u011fin de\u011fi\u015ftirilmedi\u011fini ve ger\u00e7ekten sizin alan ad\u0131n\u0131zdan \u00e7\u0131kt\u0131\u011f\u0131n\u0131 kan\u0131tlayan sistemdir. G\u00f6nderici tarafta \u00f6zel anahtar ile e-posta imzalan\u0131r, al\u0131c\u0131 taraf ise DNS\u2019te yay\u0131nlad\u0131\u011f\u0131n\u0131z a\u00e7\u0131k anahtar ile bu imzay\u0131 do\u011frular. B\u00f6ylece hem b\u00fct\u00fcnl\u00fck hem de kimlik do\u011frulama sa\u011flan\u0131r.<\/p>\n<h3>DMARC Nedir?<\/h3>\n<p>DMARC (Domain-based Message Authentication, Reporting and Conformance), SPF ve DKIM sonu\u00e7lar\u0131na bakarak al\u0131c\u0131 sunuculara &#8220;Bu kontroller ba\u015far\u0131s\u0131z olursa ne yapmal\u0131s\u0131n?&#8221; talimat\u0131 veren politikad\u0131r. Ayr\u0131ca DMARC sayesinde raporlar alarak, alan ad\u0131n\u0131z\u0131 taklit etmeye \u00e7al\u0131\u015fan <a href=\"https:\/\/markahost.com.tr\/blog\/domain-spoofing-nedir\/\">domain spoofing sald\u0131r\u0131lar\u0131n\u0131<\/a> izleyebilirsiniz. DMARC da bir TXT kayd\u0131 olarak DNS\u2019e eklenir ve SPF\/DKIM \u00fczerine bir y\u00f6netim katman\u0131 sa\u011flar.<\/p>\n<h2>SPF Ayarlar\u0131: Temel Mant\u0131k ve \u00d6rnekler<\/h2>\n<h3>SPF Kayd\u0131 Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/h3>\n<p>SPF kayd\u0131n\u0131n g\u00f6revi, &#8220;Bu alan ad\u0131 i\u00e7in \u015fu IP adresleri ve \u015fu servisler mail g\u00f6nderebilir&#8221; bilgisini sunmakt\u0131r. \u00d6rne\u011fin web sunucunuzdan, kurumsal mail sunucunuzdan ve bir e-posta pazarlama servisinden mail g\u00f6nderiyorsan\u0131z, hepsini SPF kayd\u0131nda tan\u0131mlaman\u0131z gerekir. SPF do\u011frulamas\u0131 ba\u015far\u0131s\u0131z olursa, DMARC siyasetine g\u00f6re mail spam\u2019e at\u0131labilir veya tamamen reddedilebilir.<\/p>\n<h3>Basit Bir SPF Kay\u0131t \u00d6rne\u011fi<\/h3>\n<p>En basit haliyle SPF kayd\u0131 \u015fu \u015fekilde g\u00f6r\u00fcnebilir:<\/p>\n<p><strong>v=spf1 a mx ip4:1.2.3.4 -all<\/strong><\/p>\n<ul>\n<li><strong>v=spf1<\/strong>: SPF s\u00fcr\u00fcm\u00fcd\u00fcr.<\/li>\n<li><strong>a<\/strong>: Alan ad\u0131n\u0131n A kayd\u0131ndaki IP maile yetkilidir.<\/li>\n<li><strong>mx<\/strong>: MX kay\u0131tlar\u0131nda tan\u0131ml\u0131 mail sunucular\u0131 yetkilidir.<\/li>\n<li><strong>ip4:1.2.3.4<\/strong>: Belirli bir IPv4 adresini yetkilendirir.<\/li>\n<li><strong>-all<\/strong>: Bunlar\u0131n d\u0131\u015f\u0131ndaki t\u00fcm kaynaklar\u0131 kesin olarak reddet anlam\u0131na gelir.<\/li>\n<\/ul>\n<h3>SPF Kayd\u0131 Olu\u015ftururken En S\u0131k Yap\u0131lan Hatalar<\/h3>\n<ul>\n<li><strong>Birden fazla SPF kayd\u0131 eklemek:<\/strong> Bir alan ad\u0131 i\u00e7in yaln\u0131zca <em>tek<\/il> SPF TXT kayd\u0131 olmal\u0131d\u0131r. Birden fazla SPF kayd\u0131 varsa \u00e7o\u011fu al\u0131c\u0131 bunu ge\u00e7ersiz sayar.<\/li>\n<li><strong>T\u00fcm g\u00f6nderici servisleri eklememek:<\/strong> \u00d6rne\u011fin sunucunuz, CRM sisteminiz ve toplu mail servisiniz varsa, hepsi tek SPF kayd\u0131nda tan\u0131mlanmal\u0131d\u0131r.<\/li>\n<li><strong>~all ve -all kullan\u0131m\u0131n\u0131 kar\u0131\u015ft\u0131rmak:<\/strong> <em>~all<\/em> (soft fail) daha esnektir; ge\u00e7i\u015f s\u00fcrecinde tercih edilir. <em>-all<\/em> (hard fail) ise daha kat\u0131d\u0131r ve yanl\u0131\u015f yap\u0131land\u0131rmalarda teslimat\u0131 ciddi \u015fekilde d\u00fc\u015f\u00fcrebilir.<\/li>\n<\/ul>\n<p>MarkaHost \u00fczerinde bar\u0131nd\u0131r\u0131lan alan adlar\u0131n\u0131zda, DNS y\u00f6netim ekran\u0131ndan SPF TXT kayd\u0131n\u0131 kolayca ekleyebilir ve gerekti\u011finde g\u00fcncelleyebilirsiniz. DNS y\u00f6netimine h\u00e2kim de\u011filseniz, <a href=\"https:\/\/markahost.com.tr\/blog\/cloudflare-dns-ayarlari-ve-kurulumu\/\">Cloudflare \u00fczerinden DNS y\u00f6netimi<\/a> mant\u0131\u011f\u0131n\u0131 incelemek de bu s\u00fcreci anlaman\u0131za yard\u0131mc\u0131 olacakt\u0131r.<\/p>\n<h2>DKIM Ayarlar\u0131: \u0130mza ve Anahtar Y\u00f6netimi<\/h2>\n<h3>DKIM Kay\u0131t Yap\u0131s\u0131<\/h3>\n<p>DKIM i\u00e7in her alan ad\u0131 (veya bazen her servis) bir <strong>se\u00e7ici (selector)<\/strong> kullan\u0131r. DNS taraf\u0131nda \u015fu yap\u0131da bir TXT kayd\u0131 olu\u015fturursunuz:<\/p>\n<p><strong>selector._domainkey.ornekalanadi.com<\/strong> \u015feklinde bir isimle, i\u00e7inde \u015fu tip bir de\u011fer olur:<\/p>\n<p><strong>v=DKIM1; k=rsa; p=UZUN_PUBLIC_KEY_VERISI<\/strong><\/p>\n<ul>\n<li><strong>selector<\/strong>: Sunucu veya servis taraf\u0131ndan belirlenen isim.<\/li>\n<li><strong>v=DKIM1<\/strong>: DKIM s\u00fcr\u00fcm\u00fcd\u00fcr.<\/li>\n<li><strong>k=rsa<\/strong>: Anahtar tipini belirtir.<\/li>\n<li><strong>p=&#8230;<\/strong>: A\u00e7\u0131k anahtar verisidir.<\/li>\n<\/ul>\n<h3>DKIM Kurulumu Ad\u0131mlar\u0131<\/h3>\n<ol>\n<li>Kulland\u0131\u011f\u0131n\u0131z mail sunucusu veya panel \u00fczerinden DKIM anahtar \u00e7ifti (public\/private) olu\u015fturun.<\/li>\n<li>Panel size selector ismini ve TXT kayd\u0131 i\u00e7in de\u011feri verecektir.<\/li>\n<li>Bu de\u011feri MarkaHost DNS y\u00f6netim ekran\u0131na, do\u011fru isimle (selector._domainkey) TXT kayd\u0131 olarak ekleyin.<\/li>\n<li>DNS yay\u0131l\u0131m\u0131 tamamland\u0131ktan sonra test maili g\u00f6ndererek DKIM imzas\u0131n\u0131n eklendi\u011fini do\u011frulay\u0131n.<\/li>\n<\/ol>\n<p>DKIM sayesinde, iletim s\u0131ras\u0131nda e-postaya sat\u0131r ekleyen veya i\u00e7eri\u011fi de\u011fi\u015ftiren k\u00f6t\u00fc niyetli giri\u015fimler tespit edilir. \u00d6zellikle <a href=\"https:\/\/markahost.com.tr\/blog\/kurumsal-mail-nedir\/\">kurumsal mail altyap\u0131s\u0131<\/a> kullanan i\u015fletmeler i\u00e7in DKIM imzas\u0131 art\u0131k neredeyse zorunlu bir standart haline gelmi\u015f durumda.<\/p>\n<h2>DMARC Politikas\u0131: SPF ve DKIM\u2019in \u00dczerindeki Kontrol Katman\u0131<\/h2>\n<h3>DMARC Ne \u0130\u015fe Yarar?<\/h3>\n<p>DMARC, SPF ve DKIM sonu\u00e7lar\u0131na bakarak, al\u0131c\u0131ya \u015fu sorular\u0131n cevab\u0131n\u0131 verir:<\/p>\n<ul>\n<li>SPF veya DKIM ba\u015far\u0131s\u0131z olursa mail ile ne yap\u0131lmal\u0131?<\/li>\n<li>Kimlik do\u011frulamas\u0131 ba\u015far\u0131s\u0131z olan mailleri izlemek i\u00e7in raporlar nereye g\u00f6nderilmeli?<\/li>\n<li>Alan ad\u0131n\u0131n hangi alt alanlar\u0131 bu politikadan etkilenecek?<\/li>\n<\/ul>\n<p>DMARC kayd\u0131 da bir TXT kayd\u0131d\u0131r ve genellikle <strong>_dmarc.ornekalanadi.com<\/strong> ad\u0131yla tan\u0131mlan\u0131r.<\/p>\n<h3>\u00d6rnek DMARC Kay\u0131tlar\u0131<\/h3>\n<p>Ba\u015flang\u0131\u00e7 i\u00e7in g\u00fcvenli bir DMARC kayd\u0131 \u015fu \u015fekilde olabilir:<\/p>\n<p><strong>v=DMARC1; p=none; rua=mailto:dmarc-rapor@ornekalanadi.com<\/strong><\/p>\n<ul>\n<li><strong>p=none<\/strong>: \u015eimdilik aksiyon alma, sadece raporla.<\/li>\n<li><strong>rua=mailto:&#8230;<\/strong>: Toplu (aggregate) raporlar\u0131n g\u00f6nderilece\u011fi e-posta adresi.<\/li>\n<\/ul>\n<p>SPF ve DKIM yap\u0131land\u0131rmalar\u0131n\u0131zdan emin olduk\u00e7a, politikay\u0131 g\u00fc\u00e7lendirebilirsiniz:<\/p>\n<ul>\n<li><strong>p=quarantine<\/strong>: Ba\u015far\u0131s\u0131z mailleri spam klas\u00f6r\u00fcne y\u00f6nlendir.<\/li>\n<li><strong>p=reject<\/strong>: Ba\u015far\u0131s\u0131z mailleri tamamen reddet.<\/li>\n<\/ul>\n<p>\u0130lerleyen a\u015famada, g\u00fcveniniz artt\u0131\u011f\u0131nda \u015fu tarz bir kay\u0131t kullanabilirsiniz:<\/p>\n<p><strong>v=DMARC1; p=reject; rua=mailto:dmarc-rapor@ornekalanadi.com; pct=100; adkim=s; aspf=s<\/strong><\/p>\n<ul>\n<li><strong>pct=100<\/strong>: Politikan\u0131n t\u00fcm maillere uygulanaca\u011f\u0131n\u0131 s\u00f6yler.<\/li>\n<li><strong>adkim=s \/ aspf=s<\/strong>: S\u0131k\u0131 hizalama (strict alignment) anlam\u0131na gelir; alt alan adlar\u0131ndan gelen mailleri daha kat\u0131 do\u011frular.<\/li>\n<\/ul>\n<h2>Teslim Edilebilirli\u011fi Art\u0131rmak \u0130\u00e7in Pratik \u00d6neriler<\/h2>\n<h3>1. G\u00f6nderici Altyap\u0131n\u0131z\u0131 Haritalay\u0131n<\/h3>\n<p>\u00d6nce hangi sistemlerin ad\u0131n\u0131za mail g\u00f6nderdi\u011fini netle\u015ftirin: Web siteniz, CRM, destek sistemi, fatura yaz\u0131l\u0131m\u0131, toplu mail servisi vb. Hepsinin IP veya alan adlar\u0131n\u0131 SPF i\u00e7ine do\u011fru \u015fekilde ekleyin. Bu noktada <a href=\"https:\/\/markahost.com.tr\/blog\/smtp-nedir-smtp-ne-anlama-gelir\/\">SMTP protokol\u00fcn\u00fcn temellerini<\/a> bilmek, hangi uygulaman\u0131n hangi sunucu \u00fczerinden mail g\u00f6nderdi\u011fini anlamada \u00e7ok i\u015fe yarar.<\/p>\n<h3>2. SPF, DKIM ve DMARC\u2019\u0131 Birlikte D\u00fc\u015f\u00fcn\u00fcn<\/h3>\n<p>SPF tek ba\u015f\u0131na yeterli de\u011fildir; baz\u0131 iletme (forwarding) senaryolar\u0131nda bozulabilir. DKIM ise i\u00e7eri\u011fin de\u011fi\u015fmedi\u011fini garanti eder ama hangi aksiyonun al\u0131naca\u011f\u0131n\u0131 s\u00f6ylemez. DMARC bu ikisini birle\u015ftirerek, politikan\u0131z\u0131 netle\u015ftirir. Bu y\u00fczden \u00fc\u00e7l\u00fc seti birlikte ve tutarl\u0131 \u015fekilde kurgulamak, teslim edilebilirli\u011fi g\u00f6zle g\u00f6r\u00fcl\u00fcr \u015fekilde art\u0131r\u0131r.<\/p>\n<h3>3. Test G\u00f6nderimleri ve Raporlar\u0131 \u0130hmal Etmeyin<\/h3>\n<p>Yeni bir SPF\/DKIM\/DMARC d\u00fczenlemesi yapt\u0131\u011f\u0131n\u0131zda, farkl\u0131 sa\u011flay\u0131c\u0131lardaki (Gmail, Outlook vb.) adreslere test e-postalar\u0131 g\u00f6nderin. Mail ba\u015fl\u0131klar\u0131n\u0131 inceleyerek SPF, DKIM ve DMARC sonu\u00e7lar\u0131n\u0131 kontrol edin. DMARC raporlar\u0131n\u0131 d\u00fczenli okuyarak, bilginiz d\u0131\u015f\u0131nda sizin alan ad\u0131n\u0131zla mail g\u00f6ndermeye \u00e7al\u0131\u015fan IP\u2019leri tespit edebilirsiniz. Bu IP\u2019ler genellikle sahtecili\u011fin ilk i\u015faretleridir.<\/p>\n<h3>4. G\u00fcvenlik Zincirini Tamamlay\u0131n<\/h3>\n<p>Sadece mail kimlik do\u011frulamas\u0131na odaklanmak yetmez. Sunucu d\u00fczeyinde g\u00fcvenlik ayarlar\u0131, \u015fifre politikalar\u0131 ve log takibi de kritik \u00f6nem ta\u015f\u0131r. Genel g\u00fcvenlik yakla\u015f\u0131m\u0131n\u0131z\u0131 g\u00fc\u00e7lendirmek i\u00e7in <a href=\"https:\/\/markahost.com.tr\/blog\/vps-sunucu-guvenligi-nasil-saglanir-adim-adim-vps-guvenlik-rehberi\/\">VPS sunucu g\u00fcvenli\u011fi i\u00e7in ad\u0131m ad\u0131m rehber<\/a> i\u00e7eri\u011fimizi de inceleyebilirsiniz. Ayr\u0131ca, olas\u0131 sald\u0131r\u0131 denemelerini ve anomali trafi\u011fini takip etmek i\u00e7in <a href=\"https:\/\/markahost.com.tr\/blog\/log-kaydi-nedir-ne-ise-yarar-ve-nasil-incelenir\/\">log kay\u0131tlar\u0131n\u0131n nas\u0131l incelenece\u011fini<\/a> bilmek b\u00fcy\u00fck avantaj sa\u011flar.<\/p>\n<h2>MarkaHost Altyap\u0131s\u0131nda SPF, DKIM ve DMARC Y\u00f6netimi<\/h2>\n<p>MarkaHost olarak hem payla\u015f\u0131ml\u0131 <a href=\"https:\/\/markahost.com.tr\/web-hosting\" data-internallinksmanager029f6b8e52c=\"4\" title=\"hosting\">hosting<\/a> hem de <a href=\"https:\/\/markahost.com.tr\/vps-sunucu-kiralama\" data-internallinksmanager029f6b8e52c=\"28\" title=\"vps server\">VPS<\/a>\/dedicated \u00e7\u00f6z\u00fcmlerinde DNS ve e-posta altyap\u0131n\u0131z\u0131 SPF, DKIM ve DMARC\u2019a uyumlu olacak \u015fekilde kurgulaman\u0131za yard\u0131mc\u0131 oluyoruz. Kontrol paneliniz \u00fczerinden TXT kay\u0131tlar\u0131n\u0131 h\u0131zl\u0131ca ekleyebilir, haz\u0131r \u00f6rneklerden faydalanabilir, gerekti\u011finde teknik ekibimizden kurulum ve kontrol deste\u011fi alabilirsiniz.<\/p>\n<p>Yeni bir alan ad\u0131 ald\u0131\u011f\u0131n\u0131zda, \u00f6nceli\u011finiz web sitesini yay\u0131na almak oluyor; fakat SPF, DKIM ve DMARC kay\u0131tlar\u0131n\u0131 da kurulum checklist\u2019inizin ilk sat\u0131rlar\u0131na eklemeniz gerekti\u011fini unutmay\u0131n. \u00d6zellikle <a href=\"https:\/\/markahost.com.tr\/blog\/kurumsal-e-posta-adresi-almak-istiyorum\/\">kurumsal e-posta adresi almak isteyenler i\u00e7in<\/a> bu ayarlar, marka itibar\u0131 ve spam filtreleri a\u00e7\u0131s\u0131ndan hayati \u00f6neme sahip.<\/p>\n<h2>Sonu\u00e7: \u00dc\u00e7l\u00fc Kalkan ile G\u00fcvenli ve G\u00fc\u00e7l\u00fc Bir Mail Altyap\u0131s\u0131<\/h2>\n<p>\u00d6zetle SPF, DKIM ve DMARC; e-posta g\u00fcvenli\u011fi ve teslim edilebilirlik taraf\u0131nda birbirini tamamlayan \u00fc\u00e7 temel yap\u0131 ta\u015f\u0131d\u0131r. SPF yetkili g\u00f6ndericileri tan\u0131mlar, DKIM mail i\u00e7eri\u011fini ve g\u00f6nderen kimli\u011fini kriptografik olarak do\u011frular, DMARC ise bu sonu\u00e7lara bakarak al\u0131c\u0131ya hangi aksiyonu almas\u0131 gerekti\u011fini s\u00f6yler. \u00dc\u00e7\u00fc birlikte do\u011fru kurguland\u0131\u011f\u0131nda, alan ad\u0131n\u0131z\u0131n itibar\u0131n\u0131 korur, sahtecilik giri\u015fimlerini azalt\u0131r ve g\u00f6nderdi\u011finiz maillerin gelen kutusuna d\u00fc\u015fme oran\u0131n\u0131 ciddi \u015fekilde art\u0131r\u0131r.<\/p>\n<p>Alan ad\u0131n\u0131z, web siteniz ve mail altyap\u0131n\u0131z MarkaHost \u00fczerinde bar\u0131n\u0131yorsa, DNS ve e-posta yap\u0131land\u0131rmalar\u0131n\u0131z\u0131 tek panelden y\u00f6netmenin konforunu ya\u015fayabilirsiniz. Ekip olarak, SPF, DKIM ve DMARC ayarlar\u0131n\u0131z\u0131 g\u00f6zden ge\u00e7irmenize, test etmenize ve gerekti\u011finde optimize etmenize yard\u0131mc\u0131 olmaya haz\u0131r\u0131z. Kurumsal ileti\u015fiminizi g\u00fcvenli ve profesyonel bir zemine ta\u015f\u0131mak i\u00e7in, bug\u00fcn SPF kayd\u0131n\u0131z\u0131 kontrol ederek ve bir DMARC politikas\u0131 tan\u0131mlayarak ilk ad\u0131m\u0131 atabilirsiniz.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SPF, DKIM ve DMARC Neden Bu Kadar \u00d6nemli? Kurumsal bir alan ad\u0131ndan e-posta g\u00f6nderiyorsan\u0131z, itibar\u0131n\u0131z\u0131 belirleyen en kritik unsurlardan biri<\/p>\n","protected":false},"author":2,"featured_media":1990,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rank_math_lock_modified_date":false,"footnotes":""},"categories":[85,84,86],"tags":[],"class_list":["post-1989","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-alan-adi","category-hosting","category-sunucu"],"_links":{"self":[{"href":"https:\/\/markahost.com.tr\/blog\/wp-json\/wp\/v2\/posts\/1989","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/markahost.com.tr\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/markahost.com.tr\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/markahost.com.tr\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/markahost.com.tr\/blog\/wp-json\/wp\/v2\/comments?post=1989"}],"version-history":[{"count":0,"href":"https:\/\/markahost.com.tr\/blog\/wp-json\/wp\/v2\/posts\/1989\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/markahost.com.tr\/blog\/wp-json\/wp\/v2\/media\/1990"}],"wp:attachment":[{"href":"https:\/\/markahost.com.tr\/blog\/wp-json\/wp\/v2\/media?parent=1989"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/markahost.com.tr\/blog\/wp-json\/wp\/v2\/categories?post=1989"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/markahost.com.tr\/blog\/wp-json\/wp\/v2\/tags?post=1989"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}