Provided by: courier-mta_0.47-13ubuntu5_i386 bug

NAME

       courieresmtpd - Courier mail server ESMTP daemon

DESCRIPTION

       The  actual  Courier  ESMTP  daemon  (mail  transfer  agent)  is called
       courieresmtpd.  Normally, courieresmtpd is run from couriertcpd,  which
       is  in turn run from esmtpd start or a similar command.  You should not
       have to run courieresmtpd manually.

SEE ALSO

       couriertcpd(8), esmtpd(8).