Postfix
Postfix
Block entire TLDs with Postfix.
Situation: Your mail server has become busy processing SPAM messages from all the new top level domains. Almost all the email coming from the new .top .xyz .link .party domains are SPAMMY. None of your clients send email from any of these domains and it’s not expected that any of their clients would either. Solution:Block […]
Postfix
Multiple Sending IP With Postfix 3
Situation:Your single mail server only has one IP and it has started getting blocked by some of the bigger players like Yahoo, Hotmail and Gmail. You know all your email being sent is legit but it’s still being blocked. You’ve slowed the rate of your outbound messages quite a bit… but your mail queue is […]