config/pam/imap

   1 auth    sufficient pam_mysql.so user=root passwd=mysqlfire host=localhost db=mail table=user usercolumn=mbox passwdcolumn=password crypt=0 sqlLog=0
   2 account required   pam_mysql.so user=root passwd=mysqlfire host=localhost db=mail table=user usercolumn=mbox passwdcolumn=password crypt=0 sqlLog=0