Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet.
Exim Commands
Here are some of the exim commands that you will find very helpfull when you need to run some operations on exim server especially when the mail queue is full. If you wish to flush the Exim Que and enable debugging you should type: exim -qff -d9
exim -bpc : no of emails currently mail queue have exim -M email-id => Force delivery of one message exim -qf => Force another queue run exim -qff => Force another queue run and attempt to flush the frozen message exim -Mvl messageID => View the log for the message exim -Mvb messageID => View the body of the message exim -Mvh messageID => View the header of the message exim -Mrm messageID => Remove message without sending any error message exim -Mg messageID => Giveup and fail message to bounce the message to the Sender How many mails on the Queue exim -bpr | grep “