Help with add_domain

Hello,

I am trying to do something I thought would be simple, but seem to be 
messing up somehow.  I have tried following the documentation, but with 
no success so I figured I would ask here and see if anyone had a 
suggestion.  I don't know what I am missing.

The idea was to use perdition in a migration from an old POP3 server to 
a new zimbra mail server.  In testing I am running perdition from the 
command line as follows:

perdition -A remote_login,1  -C -d -F - -l 111 -M 
/usr/lib/libperditiondb_gdbm.so.0 -p 110

Running on Port 111 to test, will be moved to 110 when working.  The 
idea is for most accounts to just log in to the local server as normal 
-- this works fine.

My popmap is as follows:

sammy:sammy <at> zimbra.realnet.com

In /etc/hosts I have:

64.147.109.53    zimbra.realnet.com
zimbra.realnet.com    64.147.109.53

When you login to port 111 as the user 'sammy' it tries to do a 
connection to the server 'zimbra.realnet.com', but as the USER 'sammy', 
not as the USER 'sammy <at> realnet.com'.  According to what I have read the