Postfix Block entire TLDs with Postfix. December 22, 2019 by Philip Newman | Leave a Comment 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 […] Read more »