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The first Open-Source high-performance MTA for high-volume senders
...KumoMTA offers high-performance message relay to the tune of millions of messages per hour per server, combined with extreme flexibility and configurability through its use of a Lua scripting engine for configuration and message management.
Hedwig is an open source IMAP, SMTP, POP3 server written in Java, designed with ease of installation and configuration in mind. Hedwig enables storage of mail message headers in a relational database(MySQL or Oracle) and mail messages in a file system.
Visit http://hwmail.sourceforge.net/ for more information.
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).
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A low-code dashboard makes monitoring intuitive for any admin, while scripting and custom sensors give experts full control.
You shouldn't have to choose between a monitoring tool that's easy to use and one that's powerful enough for a complex environment. PRTG's low-code interface lets any admin build dashboards, set alerts and monitor devices without scripting, while custom sensors and full API access are there when your team needs deeper control. One platform, no compromise. Download a free 30-day trial now.
Add-ons/modifications of sendmail m4 configuration files and helper programs/utilities.
2013-01-04: The project is frozen. It may be unfrozen after registration of users, testers, developers.
This is a POP3 to SMTP bridge that will use the SMTP Trace headers to determine who it's from and to. Designed to work with catch all POP3 accounts. Configuration for the POP3 and SMTP accounts are in a CSV file.
Exim4-LDAP is a set of configuration to Debian's Exim4 to get all user account information from an LDAP database. It reuse the well-known qmail.schema from Qmail-LDAP. It can also integrate with Samba-LDAP for comprehensive SMB domain management.
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
Your own mailing system (most easiest to use with zero configuration) for the entire world (available in almost all the languages of the world) which will include Mail User Agent and Mail Transfer Agent thus trying to give maximum speed while transferrin
PoCoMy: Postfix + Courier + Mysql :: Webfrontend for administration. Features: Virtual domains, forwarding, aliases, sender aliases, multi user, multi language, privileges system, delegation of rights per domain, ...
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)
Configuration-free SMTP agent for dynamic DNS (cable, DSL) users.
NO configuration hassle just a tiny (40kb) executable.
Unlimited email addresses.
Instant and unobtrusive new mail notification.
No polling (POP, IMAP, Web-based) involved.
popwatcher is a daemon that maintains a list of hosts that are authorized to use your mailserver as an SMTP relay based on those hosts successfully authenticating to your POP mail server. The default configuration is designed to work with qpopper and exi
LIBBY (Little Internet's Best Basic Yabber) is a simple SMTP server for home users or users of a small local network. Easy configuration and security are major features.
Welcome to the project page of the Open JMail Server - a scalable Java email server. Features POP, SMTP, IMAP, dynamic pluggable storage design, modular protocol handling, easy XML configuration and much more.
Abstract pure java smtp server, based on MINA. Concrete implementation based on oracle as mail repository. and ldap configuration/authentication. Supports SSL and TLS.