Windows hyperV üzerinde çalışan bir Centos sunucum var (WHM kurulu) bu sunucudaki mail adresinden Gmail'e mail atamıyorum geriye böyle bir mail dönüyor.
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(es) failed:
serefseven@gmail.com
host gmail-smtp-in.l.google.com [66.102.1.26]
SMTP error from remote mail server after end of data:
550-5.7.1 [185.124.86.138] The IP address sending this message does not have a
550-5.7.1 PTR record setup. As a policy, Gmail does not accept messages from
550-5.7.1 IPs with missing PTR records. Please visit
550-5.7.1 https://support.google.com/mail/answer/81126#authentication for more
550 5.7.1 information. y187si26143569wmc.112 - gsmtp
Reporting-MTA: dns; ln1.postoflscell.com
Action: failed
Final-Recipient: rfc822;serefseven@gmail.com
Status: 5.0.0
Remote-MTA: dns; gmail-smtp-in.l.google.com
Diagnostic-Code: smtp; 550-5.7.1 [185.124.86.138] The IP address sending this message does not have a
550-5.7.1 PTR record setup. As a policy, Gmail does not accept messages from
550-5.7.1 IPs with missing PTR records. Please visit
550-5.7.1 https://support.google.com/mail/answer/81126#authentication for more
550 5.7.1 information. y187si26143569wmc.112 - gsmtpmxtoolbox.com dan smtp test yaptığımda bu uyarıları alıyorumSMTP Reverse DNS Mismatch Reverse DNS does not contain the hostname SMTP Banner Check Reverse DNS does not match SMTP Banner SMTP TLS Warning - Does not support TLS. SMTP Transaction Time 15.485 seconds - Not good! on Transaction Time SMTP Valid Hostname OK - Reverse DNS is a valid Hostname SMTP Connection Time 0 seconds - Good on Connection time SMTP Open Relay OK - Not an open relay.bu sorunu nasıl çözebilirim? neden kaynaklanıyor?
