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Relay access denied

Added by C. X. about 12 years ago

Hello,

I have two similar installation of Redmine, but one can't send an email and the other can.
The full error message is 554 5.7.1 : Relay access denied.
Both servers can send emails, I have tested it. The SMTP server doesn't need an authentication.

The only difference between both servers are the ip ranges. The 10. range belongs to the not working server and the 53. to the working server.

Is there any possibility to get a detailed sequence log about the mailing?

Thanks for any hints.