Year: 2019
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 […]
Dovecot
POP3 mail vs IMAP.
POP3 and IMAP are two different protocols (methods) used to access email. POP3 POP3 is short for Post Office Protocol. POP3 downloads email from a server to a single computer, then deletes it from the server. Because your messages get downloaded to a single computer or device and then deleted from the server, it can appear […]
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 […]
Dribble
Hello world!
I used to blog quite a bit but then suddenly it stopped. With time speedily slipping past and a BIG overseas trip planned I’ve decided to give myself a bit of a push into the deep end.