Welcome to the Archived, Readonly Zimbra Collaboration forums. Here’s the place where we talked about all things related to Zimbra email products. Registrations and postings are disabled here.
Be sure to visit https://www.zimbra.com/forums to start new discussions and to find the latest answers to questions being asked.
What happens when I receive a spam and I mark it "as junk" in the mailbox?
the spam filter will learn anything with this?
see this page
Zimbra MTA - Zimbra :: Wiki