sendmail problems

[Cyril Guibourg]

"Omar M. Nafees" <omnafees at student.cs.uwaterloo.ca> writes:

>    ----- The following addresses had permanent fatal errors -----
> <root at hacker.cs.uwaterloo.ca>
>     (reason: 553 5.3.5 system config error)
>
>    ----- Transcript of session follows -----
> 553 5.3.5 hacker.cs.uwaterloo.ca. config error: mail loops back to me (MX problem?)
> 554 5.3.5 Local configuration error

[...]

> Any ideas as to what the 'local configuration error' could be? Where
> should I be looking?

Hello Omar,

Supposing you are using the standard FBSD sendmail setup:

Check with echo '$=w'|sendmail -bt -d0.1 how sendmail knows about itself
domain names. You may then adapt by editing /etc/mail/local-host-names

Hope this helps.