To flush the mail queue, run the command
exim -q
Force another queue run
exim -qf
Force another queue run and attempt to flush the frozen message
exim -qff
See exim
To flush the mail queue, run the command
exim -q
Force another queue run
exim -qf
Force another queue run and attempt to flush the frozen message
exim -qff
See exim
Exim comes with a utility called “exiwhat” which will display what each instance of exim is currently involved with.
exiwhat
The output will look similar to this

To monitor the exim log in realtime, you may use the tail command
tail -f /var/log/exim_mainlog