OStatic

Greylisting smtp store and forward proxy (session-based) has anti-relay features, mail size limitations, whitelists and blacklists (based on email or ...

A qmail distribution based on dirqmail intended to be used by qmail power users.

The DSBL server software allows any site to run their own DSBL-like service. This package provides the cookie server, mail processor, and several othe...

EPS (Email Processing System) is a set of API for parsing email messages. It is fast, thread-safe, understands content types and MIME, and has been e...

Mikrop is a small, easy to install program for mail servers to scan incoming email. It uses third party virus scanners, and is currently integrated wi...

DynamicRelay prevents your customers from sending spam, and authenticates users using POP or IMAP to send email in a pop-before-smtp fashion. You can ...

A generic anti-virus filter for incoming mail servers on Unix, running under procmail. It is fast, efficient and tiny. Supports UUE, Zip and Rar attac...

MailCleaner is an anti-spam/anti-virus SMTP gateway with user and admin Web interfaces, a quarantine system, and support for multiple domains, templat...

The OpenPEC project is a collaborative effort to develop an Open Source Certified E-Mail System (in italian: Posta Elettronica Certificata) as requide...

perl-esmtpd is an antispam, antivirus, and authenticating SMTP daemon. It integrates with qmail, sendmail, stunnel, etc. Its simple Perl, so you ca...