Adding a subscriber by forwarding a message from the specified user.
Warning: You must be able to forward a message unmodified (i.e. with the headers unchanged) in order for this to work; otherwise you will end up adding or removing yourself from the list.
First, you set up a program alias:
"New Alias" dialog box, enter an alias name. (For example, if the list name is Parrots, you might set up an alias named Parrots_add.imailsrv -add domain listname
For example:
imailsrv -add exotic.birds.com Parrots
Then, to subscribe a user by forwarding a message from the user to the alias (Parrots_add), and the original sender of the message will be subscribed.