Re: [CentOS] CentOS 4.4 - Email Out

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Quoting Tom Brown <tom@xxxxxxxx>:

I need to set some of our boxes to send mail through our smarthost. In
the sendmail.mc file i have set the smarthost and rebuilt the
sendmail.cf file. When i send a mail locally on the box though i get
this error

Diagnostic-Code: SMTP; 553 5.1.8 <root@xxxxxxxxxxxxxxxxxxxxx>... Domain
of sender address root@xxxxxxxxxxxxxxxxxxxxx does not exist

What else do i need to edit as there is something that talks about
sending from unresolvable domains but this is already allowed i think

FEATURE(`accept_unresolvable_domains')dnl

any ideas ?

The above 553 error was probably generated on your smarthost.

Make sure your host is not called "localhost.localdomain" (in /etc/sysconfig/network). Edit /etc/hosts and make sure your host name is not in the 127.0.0.1 line (put it into separate line with your host's IP address).


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