Postfix: Sorry, your helo has been denied. 550
by admin on May.18, 2011, under Linux (Ubuntu)
I received an error message saying
Sorry, your helo has been denied. 550
when attempting to send an email from my mutt server (which is using postfix to send emails) to a .gmx.net address. The cause of error was an incomplete postfix configuration.
I managed to fix this error by editing the file /etc/postfix/main.cfg
After opening it, I edited/added the following two lines:
myhostname = www.betamaster.us mydomain = www.betamaster.us
Attempting to send an email to a .gmx.net address the next time completed successfully.
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July 12th, 2011 on 12:55
Thanks for the info!
Was getting the same error message for gmx but now it’s working fine.