problem to receive email

Virtualmin
1

Hello,

I’ve got a probleme with mail on my server. The server can send them.
But can’t receive them. And i dont find why.
Here is the error mail that i receive when i try to send me an email on contact@myrealdomain.fr

from : Mail Delivery System MAILER-DAEMON@localdomain

This is the mail system at host sd-29xxx.localdomain.

I’m sorry to have to inform you that your message could not
be delivered to one or more recipients. It’s attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

               The mail system

contact.myrealdomain@localdomain (expanded from contact@myrealdomain.fr): Host or
domain name not found. Name service error for name=localdomain type=A: Host
not found

Final-Recipient: rfc822; contact.myrealdomain@localdomain
Original-Recipient: rfc822;contact@myrealdomain.fr
Action: failed
Status: 5.4.4
Diagnostic-Code: X-Postfix; Host or domain name not found. Name service error
for name=localdomain type=A: Host not found.

Thanks for help

2

Howdy,

Hmm, that’s an unusual error!

What output do you receive if you run this command:

hostname

Is that a full hostname (FQDN) – in the format host.domain.tld?

And is that hostname listed in /etc/hosts?

-Eric