Re: [courier-users] Question about Relaying mail to other hosts

Jonathan Pauli wrote:

> My organisation has a courier mailserver which forwards its external
> mail to our upstream provider's email server for delivery,
> and delivers local mail locally. Our users use IMAP with thunderbird.
> So, this machine handles all mail for mydomain.com and a few
> virtual domains.
>
> I have another box called rt.mydomain.com which is running sendmail.
> It has a local user alias called rt, which gets piped to a program.
>
> I need users to be able to send email to rt@mydomain.com and have it
> forwarded to rt@rt.mydomain.com for processing.
> I have tried simply creating an alias with the web interface such that
> rt gets emailed to rt@rt.mydomain.com but thunderbird
> says that the username doesn't exist (550 error) and wont send the
> email. So, do I need to configure relaying to rt.mydomain.com somehow?

I'm guessing that you created the alias entry but forgot to push
"Install New Configuration" on the Courier webadmin main page. If you
didn't click the Install link, you have created an alias entry in the
text file /etc/courier/aliases/webadmin but not regenerated the alias
database with the makealiases command. Either log back into webadmin,
verify the alias is still there and install the new configuration or SSH
into the box and run makealiases. Verify that the aliases exist in the
aliases.dat file by running "strings /etc/courier/aliases.dat" (note
that you may have to modify those paths based on your install of Courier).

Jay

--
Jay Lee
Network / Systems Administrator
Information Technology Dept.
Philadelphia Biblical University
--



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