Basic Exim Commands:

Check the mail logs through following command:

[root@test  ~]# cat /var/log/exim_mainlog | grep domainname.com

To see sent mail log view /var/log/maillog file.

You can see messages that are in the postfix queue.

[root@test  ~]# mailq

-Queue ID- --Size-- ----Arrival Time---- -Sender/Recipient-------

Count the number of messages in the queue on the server use following command
.
[root@test  ~]# exim -bpc

 Listing the messages in the queue (time queued, size, message-id, sender, recipient).

[root@test  ~]# exim -bp

Print a summary of messages in the queue (count, volume, oldest, newest, domain, and totals).

[root@test  ~]# exim -bp | exiqsumm

Check what Exim is doing right now.

[root@test  ~]# exiwhat