Hmail returning 550 error code on emails sent from external

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lysaer
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Hmail returning 550 error code on emails sent from external

Post by lysaer » 2008-12-15 22:07

Certain domains that are receiving email, and certain domains that are not. When you try to send to those domains, either from a domain on the same server/hmail or from externally, we get an undeliverable message. Usually it's a 550 550 5.7.1 Unable to relay for blah@blah.com.

I thought it was a DNS issue, not Hmail, but my server techs have fixed all the DNS problems and say that it's Hmail not accepting the email.

There are no errors in the logs.

Also, this does not affect all domains on the server. Just certain ones. I have verified domain expirations are not the case, and DNS contains mx records correctly.

It seems that hmail is immediately bouncing the email.

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martin
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Re: Hmail returning 550 error code on emails sent from external

Post by martin » 2008-12-15 22:28

That error message isn't given by hMailServer. Maybe you're using ASSP.

lysaer
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Re: Hmail returning 550 error code on emails sent from external

Post by lysaer » 2008-12-16 00:21

Not using ASSP or SpamAssassin either. Using current version of hMail...in fact, one of the domains started returning this error after upgrading.

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martin
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Re: Hmail returning 550 error code on emails sent from external

Post by martin » 2008-12-16 00:25

Some other software is generating the error "message 550 5.7.1 Unable to relay for". Maybe you have IIS SMTP running on your server, maybe your MX records isn't set up properly or maybe your router temporarily forwards the traffic incorrectly. Hard for me to tell, I just know it's not hMailServer who is giving that error message...

3zero2
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Re: Hmail returning 550 error code on emails sent from external

Post by 3zero2 » 2008-12-17 10:24

hi lysaer,

did you manage to solve the problem as we are having the same thing happening here too.

thanks.

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Re: Hmail returning 550 error code on emails sent from external

Post by 3zero2 » 2008-12-17 12:45

problem solved!! it was the IIS server.

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