Open Source Perl Mail Transfer Agents

The Courier mail transfer agent (MTA) is an integrated mail/groupware server based on open commodity protocols such as ESMTP, IMAP, POP3, LDAP, SSL, and HTTP. Courier provides ESMTP, IMAP, POP3, Webmail, calendaring, and mailing list services.

Highly scalable/configurable Messaging Platform allowing users in a domain to be distributed on multiple hosts, has multiple queues. Provides virtual domains/users in MySQL. Modern MSP class qmail replacement with ESMTP, POP3/IMAP, QMTP, QMQP support

Check given IP/Host presence in 106 RBLs. Now, you don\'t have to check a lot www sites, just run this script in console.

An SSL Postfix Management Interface in PHP/Ajax that handles all postfix parameters including Virtual Domains in LDAP.It handles all securities features by implementing all addons like Spamassassin,Clamav,Milter-greylist,amavis within technical skills

A SMTP-Proxy that allows authenticated SMTP sessions to traverse, while stopping SMTP sessions from internet worms and SPAM bots. It can also be used transparently so clients need no additional settings, just auth. to their freemail of choice.

Cadmin (Courier Admin) is a free software package that provides a framework and associated toolset for managing a scalable courier mail system with virtual domains.

dkim-connector is a daemon that facilitates the configuration of dkim-milter (especially for multi domain hosting; with postfix and sendmail) and is accessible via webservices (for a simplified adaption of specific admin tools) and a console client

This email appliance is to help anyone to setup and maintain their full functional email server with much less effort by using virtual appliance technology.

FetchYahoo is a Perl script that downloads mail from a Yahoo! account to a local mail spool. It downloads all parts and attachments and then deletes messages unless requested not to. It can also forward messages and repeat with a given interval.

GSR is a program to relay local SMTP traffic through a user’s GMail account. If you are behind an ISP that no longer allows SMTP traffic, GSR will allow you to relay your servers SMTP traffic through your GMail account for remote deliver.

The main goal of the project is create a group of utilities to setup a High Availability Enterprise Enviroment for an Enterprise e-mail System automatically. For this is needed to setup an DNS, MySQL, Postfix with replication features.

INRETE-PEC was a working solution to manage a Certified E-Mail System (in italian "Posta Elettronica Certificata" or PEC) as required by the Italian law of year 2000 "DPR 28 Dec 2000, n 445". Has been obsoleted by the new laws of year 2005.

Mail2sh is a tool for send shell command by email with a simple module and to avoid you to know how procmail and sendmail works. Mail2sh makes it possible to carry out shell commands by email. Email is sent to a particular user on your host and the commands will be carried out if the user and password given matches ones in /etc/passwd. Commands are executed with the user's privileges, and combined with a PGP module ensures a certain level of security for use. Note that the system is not natively encrypted, so use of an encryption mechanism is highly recommended for security reasons.

Mailscore is a postfix policy daemon handling host and sender scores to avoid bots & abusing customers through your SMTP relays.

A SMTP to ESMTP proxy that accepts mail, parses it for template variables. The template variables are rendered with values from a CSV file. Next they are sent to the ESMTP server. Uses Template::Toolkit, Config::Simple alongwith other libraries.

MultiMTA is a SMTP server designed for users with dial-up connections. It's main feature is the ability to change the outgoing relay server (or smart host) based on the senders email address.

Nascarconfd is a highly customizable deamon to manage a clustered mailserver environment using postfix and dovecot.

OpenBottle is a per user anti-spam email system based on a sender authenticated whitelist mechanism. The core of the system is written in Perl, with a web driven user interface in PHP.

The OpenPEC project is a collaborative effort to develop an Open Source Certified E-Mail System (in italian: Posta Elettronica Certificata or PEC) as requided by the Italian law. See the DigitPA (CNIPA) site for details (http://www.cnipa.gov.it)

Pure Perl implementation of the Milter protocol used by Sendmail, including drop-in replacement for the Sendmail::Milter interface.

PeMaR is a gateway, that relays outgoing email to anonymous remailer networks and receives and decodes anonymous mixminion messages. It allows the use of any email client to send and receive anonymous email. An extension is available for Thunderbird.

Antispam, antivirus, authenticating SMTP daemon. Integrates with qmail, sendmail, stunnel, etc. It's simple Perl, so you can hack it to suit your needs. Supports RBLs, mx on from, bounce evil phrases, virus scanning...

A simple, small-scale mail delivery agent (MDA) and SMTP relay written in Perl which allows filtering and modification of both incoming and outgoing messages using arbitrary, per-user or site-wide rules. Requires "Maildir"-style mail storage.

The Postfix Extensible Policy Daemon aims to provide a flexible framework for policy delegation in the context of the Postfix MTA. It is written in Perl and accepts policy check routines in the form of Perl modules.

userb emails usera - usera does not have userb on their whitelist. Userb's email is not delivered, instead userb gets a mail asking if they wish to appear on usera's list? if yes usera gets asked same thing if yes all old/new mails get delivered