blocklist

example.com is one of the domains in my PMG. The mail server is hosted on WHM with Exim. The server does not have the mailbox unknown1@example.com. (this happens to multiple mailboxes on same domain). How can I discard or reject emails sent to unknown1@example.com before DNSBL checks are...

Hello all, I have created a blacklist that contains domains that I don't want to quarantine them but completely delete/discard them as they arrive. Is this possible? Nikole