550 authentication required in system mail

santovito

Verified User
Joined
Nov 23, 2008
Messages
137
Hi to all,

I have a problem with the system email addresses (usernameaccount@domain.xx): the emails come back with this error: 550 authentication required.

No problem with "normal" email address

Any ideas to fix?

new installation. Latest version of directadmin (and exim) and centos 8

Tnx

Vito
 

CanadaGuy

Verified User
Joined
Nov 14, 2019
Messages
158
With system email addresses, you just use the username without the domain since the user is an actual Linux user (and not just email virtual account).
 
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