So I set up a server using iRedMail and ran in to an issue: I started out with 768MB of memory and it was GONE!!! If you are going to install iRedMail and want to use all of the functionality, you need to start out with 2GB of memory at a minimum. It will use every bit of your available memory at that level! I could barely log into SSH to maintain my server at 768MB of memory. Continue reading Disable ClamAV, ClamAV and SpamAssassin in iRedMail