Ejabberd and PyMSNt limites

Try something like this.

On ejabberd.cfg:

{acl, msnusers, {user, "bobby", "jabber.example.org"}}.
{access, msnacc, [{allow, msnusers},{deny, all}]}.

{listen
...  
  {5235, ejabberd_service, [{access, msnacc}
    {host, "msn.example.org", [{password, "msnsecret"}]}]},
...
 ]
}.