So, just to understand....
They will all send notifications thought my mail server just usinge their custom FROM adress.
But i don't need to have custom configuration for each outgoing mail or each user?
For example: Gmail don't send AS ANOTHER FROM ADDRESS except if you confirm you are the owner of it....
SHOULDN'T I HAVE A
"Host" field on the Notification as: <<RegularUser.Host>>
"UserName" field on the Notification as: <<RegularUser.MailUserName>>
"Password" field on the Notification as: <<RegularUser.MailPassword>>
.
.
.
etc, etc...
????
I hope i made myself clear...
Cheers