{"id":6282,"date":"2021-10-07T12:03:55","date_gmt":"2021-10-07T09:03:55","guid":{"rendered":"https:\/\/www.niobehosting.com\/blog\/?p=6282"},"modified":"2021-10-07T12:15:12","modified_gmt":"2021-10-07T09:15:12","slug":"mail-server-e-posta-sunucusu","status":"publish","type":"post","link":"https:\/\/www.niobehosting.com\/blog\/mail-server-e-posta-sunucusu\/","title":{"rendered":"Mail Server (E-Posta Sunucusu) Nedir, Nas\u0131l \u00c7al\u0131\u015f\u0131r?"},"content":{"rendered":"\n<p>Email\u2019ler uzun zamand\u0131r hayat\u0131m\u0131zda yer al\u0131yor, belki bir \u00e7o\u011funuz \u201c<a href=\"https:\/\/www.imdb.com\/title\/tt0128853\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">You Have Got Mail<\/a>\u201d yani <strong>Mesaj\u0131n\u0131z Var<\/strong> adl\u0131 romantik komedi filmini izlemi\u015ftir. \u0130nternetin yayg\u0131nla\u015fmaya ilk ba\u015flad\u0131\u011f\u0131 d\u00f6nemlerden kalan bu filmi d\u00fc\u015f\u00fcn\u00fcnce hayat\u0131m\u0131za giren bu teknolojinin nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131na dair bir \u00e7o\u011fumuzun hala fikir sahibi olmamas\u0131 ne kadar d\u00fc\u015f\u00fcnd\u00fcr\u00fcc\u00fc de\u011fil mi? \u0130sterseniz bu konuyu a\u00e7\u0131kl\u0131\u011fa kavu\u015fturmak i\u00e7in&nbsp; \u201c<strong>Mail Server Nedir ve Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/strong>\u201d sorular\u0131na yan\u0131t vermeye \u00e7al\u0131\u015fal\u0131m.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"You&#039;ve Got Mail (1998) Official Trailer - Tom Hanks, Meg Ryan Movie HD\" width=\"719\" height=\"404\" src=\"https:\/\/www.youtube.com\/embed\/bjP4s7UUnK8?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Mail Server Nedir?<\/h2>\n\n\n\n<p>Mail Server (E-Posta Sunucusu), modern ve robotik postahaneler olarak adland\u0131r\u0131labilir. Email al\u0131\u015fveri\u015flerini kontrol eden ve y\u00f6neten <strong>Mail Server<\/strong>\u2019lar bu i\u015f i\u00e7in olu\u015fturulmu\u015f \u00f6zel sunuculard\u0131r. Mail Server Sunucusu olarak ayr\u0131 bir makine tan\u0131mlanabilece\u011fi gibi bir <a href=\"https:\/\/www.niobehosting.com\/hosting\/\">Web Hosting<\/a> Sunucusu i\u00e7indeki bir alan da Mail Server olarak yap\u0131land\u0131r\u0131labilir.&nbsp;&nbsp;<\/p>\n\n\n\n<p>Mail g\u00f6nderirken i\u015fler \u00e7ok h\u0131zl\u0131 bir \u015fekilde ger\u00e7ekle\u015fiyor olsa da arka planda \u00e7ok say\u0131da kontrol, yetkilendirme, internet protokol\u00fcndeki katmanlar \u00fczerinden aktar\u0131m, bazen \u015fifreleme ve \u015fifre \u00e7\u00f6zme ve sonras\u0131nda sunucular aras\u0131nda iletim i\u015flemleri ger\u00e7ekle\u015fmektedir.&nbsp;<\/p>\n\n\n\n<p>Birbirlerine internet sistemine ait protokoller (<strong>SMTP, POP3, IMAP<\/strong>) ile ba\u011fl\u0131 olan bir dizi sunucu sistemi, mail iletimini kolayca ger\u00e7ekle\u015ftiriyor.&nbsp;<\/p>\n\n\n\n<p>Normal \u015fartlarda bu karma\u015f\u0131k gibi g\u00f6r\u00fcnen Mail Server sistemi olmasayd\u0131 sadece kendi sunucunuz i\u00e7inde birbirinize mail atma \u015fans\u0131n\u0131z olacakt\u0131. Yani <a href=\"mailto:ornek@nibehosting.com\">ornek@nibehosting.com<\/a> \u00fczerinden sadece niobehosting.com alan ad\u0131na kay\u0131tl\u0131 mail adreslerine mail yollama \u015fans\u0131na sahip olurdunuz.<\/p>\n\n\n\n<p>Bu kadar Mail Server (E-posta Sunucusu) yolunu kaybetmeden ba\u011flanmas\u0131 gereken sunucuyu nas\u0131l bulur? Bunu a\u00e7\u0131klamak i\u00e7in bir dizi kavram\u0131 a\u00e7\u0131klamak gerekiyor.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">E-posta \u0130stemcisi Nedir?<\/h3>\n\n\n\n<p>Mail alma ve g\u00f6nderme i\u015flemlerini yapabilmek i\u00e7in kulland\u0131\u011f\u0131m\u0131z programlar veya web tabanl\u0131 uygulamalar E-posta istemcisi olarak adland\u0131r\u0131l\u0131rlar. Bu uygulamalara kendinize ait mail adresi ile kullan\u0131c\u0131 ad\u0131 ve \u015fifre bilgileriniz ile E-posta sunucu adresi bilgileri girilir ve bu bilgiler yard\u0131m\u0131yla mail al\u0131\u015fveri\u015finiz ger\u00e7ekle\u015ftirilir. Outlook, Zimbra, Exchange gibi programlar birer E-posta istemcisidir.&nbsp;&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Giden Posta Sunucusu E-postay\u0131 Alacak Gelen Posta Sunucusunu Nas\u0131l Bulur?<\/h3>\n\n\n\n<p>E-posta adresinizi incelerseniz <strong>ornek@niobehosting.com<\/strong> \u00f6rne\u011findeki gibi bir yap\u0131da oldu\u011funu g\u00f6r\u00fcrs\u00fcn\u00fcz. Burada @ i\u015faretinden \u00f6nceki k\u0131s\u0131m kullan\u0131c\u0131 taraf\u0131ndan olu\u015fturulan E-posta hesab\u0131n\u0131n ad\u0131n\u0131 ifade eder. Bu E-posta hesab\u0131n\u0131n kim taraf\u0131ndan verildi\u011fi ise @ i\u015faretinden sonra gelen ve Domain yani alan ad\u0131n\u0131n bulundu\u011fu k\u0131s\u0131mda belirtilmektedir. \u00d6rnek \u00fczerinden gidersek kullan\u0131c\u0131 \u201c<strong>ornek<\/strong>\u201d ad\u0131nda bir E-posta hesab\u0131n\u0131<strong> \u201cniobehosting.com\u201d<\/strong> adresinde bulunan internet sitesinden alm\u0131\u015ft\u0131r.&nbsp;<\/p>\n\n\n\n<p>E-posta hesaplar\u0131n\u0131n ileti\u015fiminden sorumlu Mail Server\u2019lar birbirlerini Alan Ad\u0131 sistemi denilen<strong> DNS<\/strong> (<strong>D<\/strong>omain <strong>N<\/strong>ame <strong>S<\/strong>ystem) sunucular\u0131 sayesinde bulurlar. <strong>DNS sunucular\u0131 d\u00fcnya genelinde yay\u0131lm\u0131\u015f ve alan adlar\u0131 ile ba\u011fl\u0131 bulunduklar\u0131 IP adreslerini e\u015fle\u015ftiren \u00f6zel sunuculard\u0131r<\/strong>.&nbsp;<\/p>\n\n\n\n<p>D\u00fcnya \u00fczerinde 13 adet Root (K\u00f6k) DNS sunucusu vard\u0131r. Bu k\u00f6k DNS sunucular\u0131na ba\u011fl\u0131 \u00e7al\u0131\u015fan yayg\u0131n vaziyette \u00e7ok say\u0131da lokal (yerel) DNS sunucusu vard\u0131r.&nbsp;<\/p>\n\n\n\n<p>Yani \u00f6zetle al\u0131c\u0131 mail adresini yazd\u0131\u011f\u0131n\u0131zda Mail Server hangi alan ad\u0131 ile ileti\u015fime ge\u00e7ece\u011fini bilir ancak bu alan ad\u0131n\u0131n hangi IP adresinde bulundu\u011funu ise DNS Sunucusuna sorarak \u00f6\u011frenir. Bu sayede IP adresleri \u00fczerinden ba\u011flant\u0131 iste\u011fi olu\u015fturulabilir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Mail Server \u00c7e\u015fitleri<\/h2>\n\n\n\n<p>Asl\u0131nda her hesaba ait sadece tek bir Mail Server bulunur. Bu sunucular \u00e7ift y\u00f6nl\u00fc \u00e7al\u0131\u015f\u0131rlar, yani hem g\u00f6nderme hemde alma i\u015flemini yaparlar. G\u00f6nderme ve alma i\u015flemi yap\u0131l\u0131rken farkl\u0131 protokolleri kullanarak farkl\u0131 i\u015flemler yaparlar. G\u00f6nderme i\u015flemini yaparken Giden Posta sunucusu ad\u0131n\u0131 alan Mail Server, al\u0131m i\u015flemini yaparken Gelen Posta Sunucusu i\u015flevi g\u00f6r\u00fcr. Yani \u00f6zetle g\u00f6revleri nedeniyle Mail Server \u00c7e\u015fitleri;<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Giden Posta Sunucular\u0131<\/li><li>Gelen Posta Sunucular\u0131 olarak adland\u0131r\u0131l\u0131rlar.<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.niobehosting.com\/blog\/wp-content\/uploads\/mail-server-cesitleri-1024x640.jpg\" alt=\"\" class=\"wp-image-6283\" width=\"768\" height=\"480\" srcset=\"https:\/\/www.niobehosting.com\/blog\/wp-content\/uploads\/mail-server-cesitleri-1024x640.jpg 1024w, https:\/\/www.niobehosting.com\/blog\/wp-content\/uploads\/mail-server-cesitleri-300x188.jpg 300w, https:\/\/www.niobehosting.com\/blog\/wp-content\/uploads\/mail-server-cesitleri-768x480.jpg 768w, https:\/\/www.niobehosting.com\/blog\/wp-content\/uploads\/mail-server-cesitleri-1536x960.jpg 1536w, https:\/\/www.niobehosting.com\/blog\/wp-content\/uploads\/mail-server-cesitleri-2048x1280.jpg 2048w, https:\/\/www.niobehosting.com\/blog\/wp-content\/uploads\/mail-server-cesitleri-100x63.jpg 100w, https:\/\/www.niobehosting.com\/blog\/wp-content\/uploads\/mail-server-cesitleri-700x438.jpg 700w, https:\/\/www.niobehosting.com\/blog\/wp-content\/uploads\/mail-server-cesitleri-1600x1000.jpg 1600w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Giden Posta Sunucular\u0131 (Mail Serverlar\u0131)<\/h3>\n\n\n\n<p>\u0130stemcinin ya da kullan\u0131c\u0131n\u0131n yollamak istedi\u011fi E-postalar\u0131n y\u00f6netimini ve y\u00f6nlendirmesini sa\u011flayan sunuculard\u0131r. E-Postay\u0131 yollamaya yetkili olup olmad\u0131\u011f\u0131n\u0131z\u0131 kontrol ederler, e\u011fer yetkili iseniz iletinizi al\u0131r ve belirli protokolleri kullanarak aktar\u0131m\u0131n\u0131 ger\u00e7ekle\u015ftirir. Giden posta sunucular\u0131 SMTP denilen bir protokol ile aktar\u0131m sa\u011flarlar. Ayn\u0131 Mail Server size gelen mailleri size aktarmakla da g\u00f6revlidir ki bu g\u00f6revi yaparken Gelen Posta Sunucusu ad\u0131n\u0131 al\u0131r.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">SMTP Nedir?<\/h4>\n\n\n\n<p>\u0130stemcinin yani kullan\u0131c\u0131n\u0131n mail yollayabilmek i\u00e7in Giden Posta Sunucusu ad\u0131 verilen kendi Mail Server\u2019\u0131na ba\u011flanabilmesi gerekir. Bu ba\u011flant\u0131 sa\u011fland\u0131ktan sonra E-posta, internet sistemi olan <strong><a href=\"https:\/\/tr.wikipedia.org\/wiki\/TCP\" target=\"_blank\" rel=\"noreferrer noopener\">TCP\/IP<\/a><\/strong> sisteminin uygulama katman\u0131nda kullan\u0131lan <strong>SMTP<\/strong> (<strong>S<\/strong>imple <strong>M<\/strong>ail <strong>T<\/strong>ransfer <strong>P<\/strong>rotocol) yani Basit Posta Aktarma Protokol\u00fc ile 587 nolu ba\u011flant\u0131 portuna ba\u011flanarak al\u0131c\u0131ya ait Mail Server\u2019a aktar\u0131l\u0131r. SMTP protokol\u00fc, Giden Posta Sunucular\u0131 taraf\u0131ndan kullan\u0131l\u0131r. Maillerin g\u00f6nderilmesi i\u015fleminden sorumludur. Bu protokol sayesinde iletilerin g\u00f6nderilmesi sa\u011flanmaktad\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Gelen Posta Sunucular\u0131 (Mail Serverlar\u0131)<\/h3>\n\n\n\n<p>Gelen Posta Sunucular\u0131 al\u0131c\u0131 taraf\u0131na ait Mail Server\u2019d\u0131r ve g\u00f6nderilen E-postay\u0131 almakla g\u00f6revli oldu\u011fu i\u00e7in bu \u015fekilde adland\u0131r\u0131l\u0131r. SMTP protokol\u00fc sayesinde iletilerek internet ortam\u0131nda ta\u015f\u0131nan E-postay\u0131 belirli kontrollerden sonra, <strong>SSL<\/strong>, <strong>TLS<\/strong> benzeri bir \u015fifreleme varsa \u00e7\u00f6zerek saklayan sunuculard\u0131r. Al\u0131c\u0131 Domaininin ba\u011fl\u0131 bulundu\u011fu bu Mail Server bu iletiyi, gerekli yetkiye sahip E-posta istemcisi ile veya kullan\u0131c\u0131 ad\u0131 ve \u015fifre ile ba\u011flant\u0131 yaparak onaylanan al\u0131c\u0131ya g\u00f6stermek ve aktarmakla y\u00fck\u00fcml\u00fcd\u00fcr. Gelen Posta Sunucular\u0131 E-postalar\u0131 al\u0131c\u0131lar\u0131na g\u00f6stermek i\u00e7in ba\u015fka bir tak\u0131m protokoller kullan\u0131rlar. Bu protokoller;<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>POP3 ve<\/li><li>IMAP olarak adland\u0131r\u0131l\u0131rlar.<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.niobehosting.com\/blog\/wp-content\/uploads\/mail-protokolleri-1024x683.jpg\" alt=\"\" class=\"wp-image-6284\" width=\"768\" height=\"512\" srcset=\"https:\/\/www.niobehosting.com\/blog\/wp-content\/uploads\/mail-protokolleri-1024x683.jpg 1024w, https:\/\/www.niobehosting.com\/blog\/wp-content\/uploads\/mail-protokolleri-300x200.jpg 300w, https:\/\/www.niobehosting.com\/blog\/wp-content\/uploads\/mail-protokolleri-768x512.jpg 768w, https:\/\/www.niobehosting.com\/blog\/wp-content\/uploads\/mail-protokolleri-1536x1024.jpg 1536w, https:\/\/www.niobehosting.com\/blog\/wp-content\/uploads\/mail-protokolleri-2048x1365.jpg 2048w, https:\/\/www.niobehosting.com\/blog\/wp-content\/uploads\/mail-protokolleri-100x67.jpg 100w, https:\/\/www.niobehosting.com\/blog\/wp-content\/uploads\/mail-protokolleri-675x450.jpg 675w, https:\/\/www.niobehosting.com\/blog\/wp-content\/uploads\/mail-protokolleri-1600x1067.jpg 1600w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">POP3<\/h4>\n\n\n\n<p><strong><a href=\"https:\/\/www.niobehosting.com\/blog\/pop3-nedir\/\">POP3<\/a><\/strong> (<strong>P<\/strong>ost <strong>O<\/strong>ffice <strong>P<\/strong>rotocol Version<strong> 3<\/strong>) protokol\u00fcn\u00fc kurdu\u011funuz bir E-posta hesab\u0131nda Mail Server\u2019a gelen iletiler (mailler) al\u0131c\u0131ya aktar\u0131l\u0131r ve iletilen ilk cihaz \u00fczerinde kaydedilir. Cihaza kaydedilen mailler sunucudan silinir. Cihaza kaydedilen mailleri cihaz kullan\u0131l\u0131rken okuyabilirsiniz ancak ba\u015fka bir bilgisayardan veya tabletten mailinizi kontrol etmek istedi\u011finizde sunucuda kaydedilmemi\u015f olmas\u0131 nedeniyle maile ula\u015famazs\u0131n\u0131z.&nbsp;<\/p>\n\n\n\n<p>POP3 Protokol\u00fc Avantajlar\u0131;<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Daha h\u0131zl\u0131 \u00e7al\u0131\u015f\u0131rlar.<\/li><li>E-postalar sunucu \u00fczerinde daha az yer kaplar.<\/li><li>\u0130nternet ba\u011flant\u0131s\u0131 olmadan da maillere ula\u015fma \u015fans\u0131 verir.<\/li><\/ul>\n\n\n\n<p>POP3 Protokol\u00fc Dezavantajlar\u0131;<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>E\u011fer istemciden silecek olursan\u0131z E-postan\u0131z tamamen silinmi\u015f olur.<\/li><li>Ba\u015fka ba\u015fka istemcilerde g\u00f6r\u00fcnt\u00fcleme sa\u011flanamaz. Yani mail hesab\u0131n\u0131za ba\u015fka bir cihazdan girerseniz E-postalar\u0131n\u0131z\u0131 g\u00f6remeyebilirsiniz.<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">IMAP<\/h4>\n\n\n\n<p><a href=\"https:\/\/www.niobehosting.com\/blog\/imap\/\">IMAP<\/a> (<strong>I<\/strong>nternet <strong>M<\/strong>essage <strong>A<\/strong>ccess <strong>P<\/strong>rotocol) biraz daha karma\u015f\u0131k ancak bir\u00e7ok avantajlar sunan bir mail protokol\u00fcd\u00fcr. E-posta hesab\u0131n\u0131z\u0131 bu protokol\u00fc kullanarak yap\u0131land\u0131rd\u0131ysan\u0131z E-postan\u0131z sunucu \u00fczerinde saklan\u0131r ve yetkili ki\u015finin g\u00f6r\u00fcnt\u00fclemesine ve kaydetmesine izin verilir. Yani siz istedi\u011finiz bir cihazdan internete ba\u011flanarak kullan\u0131c\u0131 ad\u0131 ve \u015fifreniz yard\u0131m\u0131yla E-postan\u0131z\u0131 g\u00f6r\u00fcnt\u00fcleyebilirsiniz ve istedi\u011finiz cihaza kaydedebilirsiniz.&nbsp;<\/p>\n\n\n\n<p>IMAP Protokol\u00fc Avantajlar\u0131;<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u0130letilere herhangi bir zamanda, her istemciden ula\u015f\u0131labilir.&nbsp;<\/li><li>Sunucu ile t\u00fcm E-posta istemcileri senkronize \u00e7al\u0131\u015f\u0131r. Bir E-postay\u0131 a\u00e7t\u0131\u011f\u0131n\u0131zda di\u011fer istemcide de okunmu\u015f olarak a\u00e7\u0131lacakt\u0131r.<\/li><li>\u0130letilere t\u0131klamad\u0131k\u00e7a sadece ba\u015fl\u0131k bilgisi g\u00f6sterilir.<\/li><\/ul>\n\n\n\n<p>IMAP Protokol\u00fc Dezavantajlar\u0131;<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Sunucuda daha fazla yer kaplar.<\/li><li>POP3\u2019e nazaran daha yava\u015f \u00e7al\u0131\u015f\u0131rlar.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Bir Mail Server Sistemi Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/h2>\n\n\n\n<p>E-posta iletim i\u015fi az evvel yukar\u0131da belirtti\u011fimiz sistemler ve protokoller yard\u0131m\u0131yla ger\u00e7ekle\u015ftirilir. \u0130sterseniz konuyu toparlayarak bir Eposta g\u00f6nderilirken, Mail Server\u2019\u0131n nas\u0131l i\u015flev g\u00f6rd\u00fc\u011f\u00fcn\u00fc s\u0131ras\u0131yla aktaral\u0131m;<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Kullan\u0131c\u0131 ad\u0131 ve \u015fifrenizle olu\u015fturdu\u011funuz ba\u011flant\u0131 iste\u011fi ile Mail Server\u2019\u0131n\u0131zla ba\u011flant\u0131 kurars\u0131n\u0131z.&nbsp;<\/li><li>Olu\u015fturdu\u011funuz E-posta (ileti), SMTP protokol\u00fc yard\u0131m\u0131yla internet a\u011f\u0131 sistemine a\u00e7\u0131l\u0131r ve internet a\u011f\u0131na aktar\u0131l\u0131r.&nbsp;<\/li><li>Onaylanan ba\u011flant\u0131n\u0131z ile al\u0131c\u0131 mail adresine ait alan ad\u0131n\u0131n IP adresi sorgusunun yap\u0131laca\u011f\u0131 DNS sunucusu ile ileti\u015fime ge\u00e7er.&nbsp;<\/li><li>DNS sunucusundan al\u0131c\u0131ya ait IP adresini alarak al\u0131c\u0131 Mail Server\u2019\u0131na SMTP protokol\u00fc yard\u0131m\u0131yla ba\u011flant\u0131 iste\u011fi ger\u00e7ekle\u015ftirir.&nbsp;<\/li><li>Bu istekte bulunan g\u00f6ndericiye ait Mail Server ile al\u0131c\u0131 Mail Server aras\u0131nda ba\u011flant\u0131 olu\u015fur. Ba\u011flant\u0131 s\u0131ras\u0131nda yetki kontrol\u00fc ger\u00e7ekle\u015fir ve&nbsp; ileti Al\u0131c\u0131 Mail Server\u2019\u0131na teslim edilir.<\/li><li>Al\u0131c\u0131 Mail Server\u2019\u0131, iletiyi <strong>\u201cSpam\u201c<\/strong> veya <strong>\u201c\u00d6ncelikli E-posta<\/strong>\u201d \u015feklinde s\u0131n\u0131fland\u0131r\u0131r ve al\u0131c\u0131 taraf\u0131ndan daha \u00f6nceden yap\u0131land\u0131r\u0131lm\u0131\u015f E-posta al\u0131m protokol\u00fc (POP3 veya IMAP) hangisiyse o kurallara g\u00f6re Al\u0131c\u0131ya ait istemciye aktar\u0131r.<\/li><li>POP3 yap\u0131land\u0131rma var ise iletiyi ilk ba\u011flant\u0131y\u0131 kuran yetkili <a href=\"https:\/\/www.niobehosting.com\/blog\/e-posta-hesabi-nasil-acilir\/\">E-Posta<\/a> istemcisine (Outlook, Exchange vs) aktar\u0131r ve kendi \u00fczerinden siler.&nbsp;<\/li><li>IMAP yap\u0131land\u0131rma var ise iletiyi ba\u011flant\u0131 kuran her istemciye g\u00f6sterecek \u015fekilde saklar ve her g\u00f6r\u00fcnt\u00fcleme talebi olu\u015fturan E-posta istemcisine bir kopyas\u0131n\u0131 aktar\u0131r.<\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Email\u2019ler uzun zamand\u0131r hayat\u0131m\u0131zda yer al\u0131yor, belki bir \u00e7o\u011funuz \u201cYou Have Got Mail\u201d yani Mesaj\u0131n\u0131z Var adl\u0131 romantik komedi filmini izlemi\u015ftir. \u0130nternetin yayg\u0131nla\u015fmaya ilk ba\u015flad\u0131\u011f\u0131&#8230;<\/p>\n","protected":false},"author":16,"featured_media":6285,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[45,44],"tags":[],"class_list":["post-6282","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-internet","category-nedir-nasil-yapilir"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mail Server (E-Posta Sunucusu) Nedir, Nas\u0131l \u00c7al\u0131\u015f\u0131r? - Niobe Hosting<\/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:\/\/www.niobehosting.com\/blog\/mail-server-e-posta-sunucusu\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mail Server (E-Posta Sunucusu) Nedir, Nas\u0131l \u00c7al\u0131\u015f\u0131r? - Niobe Hosting\" \/>\n<meta property=\"og:description\" content=\"Email\u2019ler uzun zamand\u0131r hayat\u0131m\u0131zda yer al\u0131yor, belki bir \u00e7o\u011funuz \u201cYou Have Got Mail\u201d yani Mesaj\u0131n\u0131z Var adl\u0131 romantik komedi filmini izlemi\u015ftir. \u0130nternetin yayg\u0131nla\u015fmaya ilk ba\u015flad\u0131\u011f\u0131...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.niobehosting.com\/blog\/mail-server-e-posta-sunucusu\/\" \/>\n<meta property=\"og:site_name\" content=\"Niobe Hosting\" \/>\n<meta property=\"article:published_time\" content=\"2021-10-07T09:03:55+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-10-07T09:15:12+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.niobehosting.com\/blog\/wp-content\/uploads\/mail-server-nedir-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1707\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Arif Uslu\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Yazan:\" \/>\n\t<meta name=\"twitter:data1\" content=\"Arif Uslu\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tahmini okuma s\u00fcresi\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 dakika\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.niobehosting.com\\\/blog\\\/mail-server-e-posta-sunucusu\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.niobehosting.com\\\/blog\\\/mail-server-e-posta-sunucusu\\\/\"},\"author\":{\"name\":\"Arif Uslu\",\"@id\":\"https:\\\/\\\/www.niobehosting.com\\\/blog\\\/#\\\/schema\\\/person\\\/494b0e09a5fb7a37403669461b1ad1f0\"},\"headline\":\"Mail Server (E-Posta Sunucusu) Nedir, Nas\u0131l \u00c7al\u0131\u015f\u0131r?\",\"datePublished\":\"2021-10-07T09:03:55+00:00\",\"dateModified\":\"2021-10-07T09:15:12+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.niobehosting.com\\\/blog\\\/mail-server-e-posta-sunucusu\\\/\"},\"wordCount\":1593,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.niobehosting.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.niobehosting.com\\\/blog\\\/mail-server-e-posta-sunucusu\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.niobehosting.com\\\/blog\\\/wp-content\\\/uploads\\\/mail-server-nedir-scaled.jpg\",\"articleSection\":[\"\u0130nternet\",\"Nedir &amp; Nas\u0131l Yap\u0131l\u0131r?\"],\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.niobehosting.com\\\/blog\\\/mail-server-e-posta-sunucusu\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.niobehosting.com\\\/blog\\\/mail-server-e-posta-sunucusu\\\/\",\"url\":\"https:\\\/\\\/www.niobehosting.com\\\/blog\\\/mail-server-e-posta-sunucusu\\\/\",\"name\":\"Mail Server (E-Posta Sunucusu) Nedir, Nas\u0131l \u00c7al\u0131\u015f\u0131r? 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