We are currently using SmarterMail Enterprise Edition Version 15.7.6970. My situation is this. For various reasons we have users in (let's say a default domain). Due to the complexity of our setup we only use SM for receiving emails. the issue is that some of the users within the default domain decide that they need their own domain, which is a good thing, so I create the domain within SM (all dns records are created to reflect the new domain). I want to be able to forward their emails from the old domain to the new domain. Steps I take, I create csv files and convert/import their email addresses to reflect the new addresses within the new domains. Currently I have to log into the old domain, search for the account, select forwarding, paste the new email address, select delete messages when forwarded. 

Needless to say this is a very time consuming and meticulous task that I feel can be done by modifying the old address by an import into the old domain. Is this even possible? Currently I import to the new domain with Username, Email address (as DisplayName) and password. is there a way to setup a csv file to modify the old addresses to forward to the new address and delete the message when forwarded? I have tried creating a csv file with a test account but it fails. if there is a way to do this PLEASE for the sake of humanity advise me of the proper procedure.

Thank you all in advance

signed: desperate need of automation