Sorry, I know it wasn't any helpful.
The reason there are not much of this software is because there's no
standard for Magazines. Very hard to write something that would satisfy
every request.
I don't remember finding ANY piece of software that does exactly what I want.
Most of them are proprietary..
I think it would be best to use a mailinglist package like Ezmlm, Mailman or any other SW you like.. these provide you with a way to handle bounces and send out subscribe messages as soon as someone subscribes..
This might not be an issue when you send to say 50-100 subscribes but it does become a problem when handling large lists..
Bye,
B.