2003-07-19: 20:12 UTC
Greylisting
Greylisting is now available as an MX restriction. Greylisting is very effective
at blocking spam from compromised Windows machines.
2003-07-15: 04:00 UTC Masqerading MX restriction
We are now rejecting email from servers that attempt to
masquerade as a server in any domain that our servers handle
email for. This restriction will become a user selectable
option on a per domain basis. This is a very effective restriction with zero false positives.
2003-07-14: 04:00 UTC Real Networks spam
Real Networks domains removed from the global allow list for spamming honeypot addresses in a Chinese character set no less
