Swimminginthought

A place for all things technical and my mind..

Menu
  • About Me / Hire Me
Menu

Tag: Postfix

A very easy way to eliminate quite a bit of SPAM if you’re using Postfix and Spamassassin. [SOLVED]

Posted on April 17, 2012 by Percy Kwong

SPAM is definitely a huge problem in our lives.  Here’s a real simple way to eliminate spam.  This assumes you’re running postfix and Spamassassin already. You need to remember that Spamassassin does nothing but score and tag spam.  There will always be false positives.  There are solutions that will handle most of it though. If…

The Pitfalls of Yum Update and Postfix, MySQL, SASL, and TLS

Posted on March 14, 2009 by Percy Kwong

While CentOS and Redhat have a wonderful update facility called Yum, there are some pitfalls to just randomly issuing a ‘yum update’ especially if you have very little experience with the intricacies of your configuration.  Like any “techy” geek, I was bored and randomly decided to update my mailserver cluster last night. (yes, I have…

Updating Postfix on CentOS 5

Posted on August 25, 2008 by Percy Kwong

Well, I decided today would be a good day to update the mailserver so I decided to do a yum -y all.  Needless to say, it went well.. but dumbass me didn’t bother to check the mailserver. So.. needless to say, all day, I had my mailserver down due to the fact that the postfix…

Recent Posts

  • Kubernetes install gotcha on CentOS-7.x
  • Infrastructure as Code using AWS Cloudformation
  • Does SSL matter? It does and it’s not just web encryption.
  • Apache can’t serve the .well-known directory
  • Cloudy with a chance of Meatballs
  • Resurrection of the Blog
  • Encryption type Matters with Deep Packet Inspection – solved
  • Completely off topic.. Just a personal note.
©2026 Swimminginthought | Built using WordPress and Responsive Blogily theme by Superb