mail delay

[johntseung]

hi,
how can i check what happen on the server. The client response that they can deliver the mail after two days.
Thanks.

 

[zEitEr]

Directadmin Admin Login -> Log Viewer -> Exim logs (Mainlog, Paniclog, Rejectlog)
Directadmin Admin Login -> Mail Queue Administration
SSH (su/sudo) superuser -> cd /var/log/exim/ -> less ./mainlog

Perhaps, you'll want to examine rotated logs, they could be reached only via SSH.