Moving accounts from Ensim
You want to use a root access account to do this.
In the transfers menu seciton
choose either Copy an account from another server, (This only works if you have root access on the other server)
Enter Server to copy from ip or their dns
Server root password
Username to copy
Then choose enxim 3.x
click on setup,
or "Copy an account from another server with account password"
This may only work on a cpanel server, haven't tried it on exim server
Enter the server ip
Username to copy
users password
Give an ip if you have it, if you want too