Hi, I have inherited a postfix 2.6 mail server which also uses Dovecot 1.1.14 .
This is basically a legacy mail server that can't be shutoff because it is now used only to forward the emails sent to a few mailboxes to the new email addresses now being used. This email server has been compromised and from what I can tell. it is sending spam from localhost. I don't know much about postfix. Any suggestions on how to fix this? We don't need the local mailboxes to be able to send messages anymore. We only want messages sent to valid mailboxes to be fowarded as per the forward rules we have setup. Thanks, Charles