Commands used in Postfix

    

To restart postfix mail server  :    # postfix reload

Flush the mail queue :    #  postfix  flush
        Or you can use:    #  postfix  -f

To see mail queue :  #  mailq
( in send mail sendmail -bp )

#  mailq | wc -l   (will give the total no of mails in queue )

To remove all mail from the queue :   #  postsuper -d ALL

To remove all mails in the deferred queue :   #  postsuper -d ALL deferred

To see the mails in a tree structure :  #  qshape

View the mail content :  #  postcat -q  AFD4A228 37C


Sort by from address :

 #  mailq | awk '/^[0-9,A-F]/ {print $7}' | sort | uniq -c | sort -n

To remove all mails sent by user@adminlogs.info from the queue :

#  mailq| grep '^[A-Z0-9]'|grep user@adminlogs.info|cut -f1 -d' ' |tr -d \*|postsuper -d -