We use Sympa (kind of majordomo) as mailing list server.
For moderated lists the moderator receive an email including 2 links, one to accept, one to refuse a new message sent to the list.
This links are like this :
Email zimlet only take the email adress email@example.com and not all the mailto:
Zimlet guru in the area, i need your help !
I will also put a bug in bugzilla for this