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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.
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).
DSN Support for Exim. This patch allows Exim 4.xx to support the sending of email Delivery Status Notifications.
From Exim 4.83 onwards DSN is now included as standard (based on this patch).
dsn_process was a removed option of this standard inclusion and so the patches after 4.76 will re-enable that functionality and provide a binary with the same options / configurations as previously.
Our generous forever free tier includes the full platform, including the AI Assistant, for 3 users with 10k metrics, 50GB logs, and 50GB traces.
Built on open standards like Prometheus and OpenTelemetry, Grafana Cloud includes Kubernetes Monitoring, Application Observability, Incident Response, plus the AI-powered Grafana Assistant. Get started with our generous free tier today.
Mailafar is a mail server designed for use in difficult communication environments providing a full set of Internet email protocols, web mail, web admin, dial-in and wireless LAN access control. It will run on Linux, FreeBSD and Windows.
The Black Hole MTA is for use in automated package build systems. It looks like a Mail Transfer Agent (MTA) and email goes in but nothing comes out. It is intended for use in chroot jails for automated package build systems.
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
YPOPs! is an application which emulates a POP3/SMTP mail server and provides free POP3 and SMTP access to Yahoo! Mail. It does not depend on Yahoo's POP3/SMTP mail server. You can use a mail client of your choice!
jwSMTP, Send email programmatically (C++ code/lib). Linux, BSD, Windows etc. Attachments, Multiple recipients, Cc/Bcc recipients supported. MX lookup or send to an SMTP server direct. LOGIN and PLAIN authentication now supported. Html or plain text forma
Virtual Qmail - virtual domains management system for qmail. It is designed to be fast, reliable, and easy to use. Includes software allowing users to manage their accounts via WWW.
hMailServer is a SMTP/POP3/IMAP server for Windows. Data is stored in MySQL/MSSQL database and is easily accessed using the COM library. Project info, trackers and downloads has moved to www.hmailserver.com.
F1-Mailer : A simple Mailer in command line for windows users with MIME format.
F1-Meiler allows people sending emails via SMTP relaying servers on the Web, with mail attachement. File attachment and email dating support.
A tool to begin in Web/SMTP.
This project aims to be a personal data storage and administration system.
It will be an advanced system for information and electronic mail management. The server will be accessible to any IMAPv4 compatible mail client.
ASMMS -- Anonymous SMTP Mail Message Sender
... is an simple mta, written in C, for sending mails through mail
servers, which have no authentication (AUTH). It should work
on nearly all POSIX systems, tested only with SunOS, Linux and
HPUX.
Modular EMail Server with features to support SMTP-after-POP,Anti-Virus filter by using popular AV-Scanners,IMAP,POP3,SSL,ODMR,SASL and has an easy configuration.
(SMTP,ODMR,IMAP,POP3,SASL,CHUNKING,BINARYMIME,PAM)