I have set up an email server, but I have a problem with sending mails to Gmail.

This is my /var/log/mail.log:

Jun  4 20:49:26 jenny postfix/qmgr[6064]: 4CBDB67482: from=<mail@[...]>, size=627, nrcpt=1 (queue active)
Jun  4 20:49:27 jenny postfix/smtp[6077]: 4CBDB67482: to=<[...]@gmail.com>, \
relay=gmail-smtp-in.l.google.com[]:25, delay=1.6, \
delays=0.05/0.01/0.73/0.86, dsn=5.7.1, status=bounced (host \
gmail-smtp-in.l.google.com[] said: \
550-5.7.1 [      12] \
Our system has detected that this message is 550-5.7.1 likely unsolicited \
mail. To reduce the amount of spam sent to Gmail, 550-5.7.1 this message has \
been blocked. \
Please visit 550-5.7.1 \
http://support.google.com/mail/bin/answer.py?hl=en&answer=188131 for 550 5.7.1 \
more information. 19si6596048wju.143 - gsmtp (in reply to end of DATA command))

Is there any server configuration I can undertake so that Google will find my ip not as spam sending?

  • Are you using a shared host? Usually their IPs are blocked, especially if they're a free host. – Jon Jun 4 '14 at 20:00
  • No, but can there be some problems with reverse DNS? Because my ISP has a DNS entry (<ip>.<isp-hostnam>) for my IP. – Philipp H. Jun 4 '14 at 20:27
  • Setup postfix to use an SMTP account, can even use a gmail account for this – John Magnolia Sep 27 '14 at 6:23


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