The changes to return-path & sender are important.
To set a return-path, it is the sender variable of send that is used, not the header within the message than is overwritten.
When setting a Sender header, Outllok displays something like : message from Sender on behalf of From, thus removing the Sender header and using the sender parameter...
took me several hours to sort this out. But now Return-Path and/or Sender work properly on mail reception and I can now handle bounces witha Return-Path set to mail+bounces@mydomain.com
The changes to return-path & sender are important. To set a return-path, it is the sender variable of send that is used, not the header within the message than is overwritten. When setting a Sender header, Outllok displays something like : message from Sender on behalf of From, thus removing the Sender header and using the sender parameter...
took me several hours to sort this out. But now Return-Path and/or Sender work properly on mail reception and I can now handle bounces witha Return-Path set to mail+bounces@mydomain.com