3 gunluk sunucu neden blacklist e girer bizspark ile azure uzerinden kendi şirketimiz ve bir kac site icin hosting serverimiz var. linux ubuntu 14.4 uzerinde vestacp var. uzerinde spamassasin ve claimav var. su an sadece eski sunucumdaki 1 site var icinde. ancak mail gonderdiğimde hotmail gitmiyor. blacklist de mi diye baktığımda sunucumun ip adres, http://blacklist.lashback.com/ de blacklist de. iyi de karalisteye girmek icin ne yapmış olabilirim ki? Muşterim daha mail adresini teslim almadı ki reklam maili atsın. burda sorun nerede log This message was created automatically by mail delivery software. A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address failed: SMTP error from remote mail server after MAIL FROM: SIZE=1640: host mx3. hotmail.com : 550 SC 001 (COL004 MC4F16) Unfortunately, messages from 191.233.71.56 weren't sent. Please contact your Internet service provider since part of their network is on our block list. You can also refer your provider to .