Hello,
If I've understood correctly:
- you want to have the emails appear to come from a different email address but
- you don't want to change the user (WF-BATCH) who is sending the emails and
- you don't want to change the email address of the user sending the emails and
- you don't want to change the steps sending the emails
Sounds impossible to me.
Why don't you want to change the email address associated with WF-BATCH? That is done in 2 seconds, problem solved.
regards
Rick