Rapid spam filtering system
SMTP email proxy and relay server
Fast Bayesian spam filter along lines suggested by Paul Graham
Anti Spam SMTP Gateway
Remote anti spam utility
Blazor Table component with sorting, paging and filtering
Open source DMARC implementation
mapSoN is a challenge/response spam filter for Unix
Protects you from spam mails and virus mails effectively with milter
The free cross-platform antivirus software tool-kit
A Scalable Spam Filtering Architecture
Outgoing email rate limiter
Converts quoted-printable, UTF-8, UTF-16BE, UTF16LE to 8-bit.
Tools to convert Z mark-up to HTML or text.
Source code for be able to use Relation Tags.
Blocks spam without blocking any legitimate messages