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HubSpot is an AI-powered customer platform with all the software, integrations, and resources you need to connect your marketing, sales, and customer service. HubSpot's connected platform enables you to grow your business faster by focusing on what matters most: your customers.
E-MailRelay is a simple SMTP proxy and relay MTA, written in C++, for Linux and Windows. As a proxy all messages can be passed through a user-defined program, such as a spam-filter, which can drop, readdress, or edit messages as they pass through.
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
jumfi will provide a java based uniform mail filter interface using C, JNI and Java. It will allow mail filters build in java to be applied to multiple mail servers of similar and different design.
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OpenVPN's products provide scalable, secure remote access — giving complete freedom to your employees to work outside the office while securely accessing SaaS, the internet, and company resources.
Python API for Sendmail Milters. Related modules provide features such as content filtering, SPF, and reputation tracking. Changes are posted first to https://github.com/sdgathman/pymilter and related repos.
GITST Email Sender allows you to send multiple emails from multiple email accounts adding limits on each email account
For example, you want to send 500 from gmail then switch to yandex and send 300 from yandex and so on
that is all what it does sends unlimited emails from multiple different email accounts
it is basics of anti-spam penetration system
The free cross-platform antivirus software tool-kit
ALL DOWNLOADS HAVE MIGRATED TO HTTPS://WWW.CLAMAV.NET
Clam AntiVirus is a GPL cross platform antivirus toolkit. The main purpose of this software is the integration with mail servers. It provides a flexible and scalable multi-threaded daemon, a command line scanner, and an up-to-date virus database.
Github Repo is here: https://github.com/Cisco-Talos/clamav-devel
Spey is the easy way to reduce the amount of spam you receive. It sits between your mail server and the outside world and performs greylisting and other verification checks. It needs very little configuration and no mail server setup and Just Works(TM).
Tools for a mail delivery service, including LMTP and POP3 servers and also getpwnam() emulation. Mail is stored in Maildir++ format (qmail plus courier extensions as soft quota and subfolders). User defined filter and virtual domains are supported.
TMDA is an open source anti-spam system and local mail delivery agent written in 100% pure Python. TMDA combines whitelists, blacklists, a challenge/response system, and special-purpose e-mail addresses called "tagged addresses" to thwart spam.
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)
The ploinMailFactory is a mailing framework that provides extended features like a templating mechanism, multitenancy and localizaion. Internally it uses the commons-email API from Apache.
Policy-daemon for the postfix MTA in perl. Scores RBLs, RHSBLs, HELO, Client IP and MAIL FROM argument and sums up a score on which you can reject the mail before DATA will be received. Results are cached. I.e: a weighted SMTP filter before DATA (queue).
MailArchiva is a powerful, full featured email archiving (email archiver) and compliance solution for mail systems such as Microsoft Exchange. It stores all incoming, outgoing and internal emails for long term storage. A web based user interface is avail
A BASH function library of neat stuff for dealing with electronic mail. The library provides support for unencrypted and TLS encrypted relaying of email with attachments, special mailing list filtering and From address spoofing.
This anonymous emailer script written in PHP is a free, opensource project designed to send EMails from anyone to anyone, with additional details such as Reply-To ,an anti-spam CAPTCHA and a WYSIWYG.
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
SpamSnake/mHost is a open source based spam filtering appliance. Its primary goal is to provide a very flexible platform from which to implement current and future open spam filtering solutions enterprise and small networks.
Jsmtpd : A small and modular smtp email server daemon, written in Java. Jsmtpd is heavily based on plugins, and supports : spam detection (Spamassassin, Jasen, RBL servers, BlackList), anti virus (Clam Antivirus), and many others filters.