Question
Google blocking mails sent from my server
I get the following message when I tried to send a mail.
host gmail-smtp-in.l.google.com[74.125.129.27] said:
550-5.7.1 [128.199.xxx.xxx 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. sc7si12058958pac.156 - gsmtp (in reply to
end of DATA command)
I’m not sure how to resolve this. Anyone has experience with this?
Using Ubuntu 14.04, Postfix, PHP to send mails.
Followed the tutorial How To Install and Setup Postfix on Ubuntu 14.04.
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