Changes in 1.20:
1.2.0
 o Remove debug info printing
1.2.0-RC2
 o Fix uninitialized strlist
 o Add logging regular operation to mlmmj.operation.log
 o Fix the sending loop by not sending the rest of the batch in every
   iteration
1.2.0-RC1
 o Add VERP support. http://cr.yp.to/proto/verp.txt
   For Postfix: http://www.postfix.org/VERP_README.html, add "postfix" to
   LISTDIR/control/verp
   $smtpd_authorized_verp_clients should be the only one needed to touch
1.1.1-RC2
 o It's ok to log to a symbolic link to somewhere else
 o Add Message-Id: and Date: headers to mail from mlmmj
 o Make log_oper() varargs capable (Rob Holland) 1.1.1-RC1
 o Never discard anything from LISTDIR/queue/, let the admin be able to judge
 o Grab the lock when sending a mail to make sure noone does bad things
   to it underneath us
 o Danish listtexts, thanks Jesper Lund
 o Add control/noget to turn off listname+get-INDEX
 o Rearrange envelope from to be listname+bounces-index-user=domain.tld@ instead
   of listname+bounces-user=domain.tld-index@ to prepare for VERP support