How to view number of emails in queue?
     _{exim -bpc}

How to list emails in queue
_{     exim -bp}

Forcefully send the emails and if it can`t, delete that.
     _{exim -qff -v}


Delete full emails in queue.
     _{exim -bp | awk '/^ *[0-9]+[mhd]/{print "exim -Mrm " $3}' | sh}

                  or

When number of emails are too large
      Stop exim
      _{rm -rf /var/spool/exim/input}
      Start exim

 Delete all mails more than 2 days old
_{exim -bp | awk '/2d|3d|4d|5d|6d|7d|8d|9d|10d|frozen|<>/ {if ($2 ~ /^1F/) prin t $2; else print $3}' |xargs exim -Mrm}


Delete emails send FROM a particular email.
_{exim -bpr|grep root@| awk '{print $3}'|xargs exim -Mrm}


Delete emails send to a particular email address
_{exiqgrep -ir email@domain.com | xargs exim} -Mrm


Get details of scripts that are used to send out spam emails. 
_{grep "cwd=" /var/log/exim_mainlog|awk '{for(i=1;i<=10;i++){print $i}}'|sort|uniq -c|grep cwd|sort -n}