Did you follow the link? Did you try the bulk sender guidelines? That error has to do with relaying messages, so the system seems to be complaining that you're being a relay (from address not "legal" from that IP)
On Mon, Apr 29, 2013 at 12:10 PM, Brian Keith <[email protected]> wrote: > I have a server that executes cron jobs and emails my gmail account when > finished. Suddenly I noticed the emails are being blocked. > This is the message I see on the server. It literally has been working for > years. What can i do? > > This is the mail system at host ****** > > I'm sorry to have to inform you that your message could not > be delivered to one or more recipients. It's attached below. > > For further assistance, please send mail to <postmaster> > > If you do so, please include this problem report. You can > delete your own text from the attached returned message. > > The mail system > > <bsk******@gmail.com>: host gmail-smtp-in.l.google.com[74.******] said: > 550-5.7.1 [184.****** 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. gh4si12549795igb.50 - gsmtp (in reply to > end of DATA command) > > -- > You received this message because you are subscribed to the Google Groups > "Gmail-Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/gmail-users?hl=en. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- You received this message because you are subscribed to the Google Groups "Gmail-Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/gmail-users?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
