Anti-Spam SMTP Proxy Server implements multiple spam filters
The Anti-Spam SMTP Proxy (ASSP) Server project aims to create an open source platform-independent SMTP Proxy server which implements auto-whitelists, self learning Hidden-Markov-Model and/or Bayesian, Greylisting, DNSBL, DNSWL, URIBL, SPF, SRS, Backscatter, Virus scanning, attachment blocking, Senderbase and multiple other filter methods. Click 'Files' to download the professional version 2.8.1 build 24261.
A linux(ubuntu 20.04 LTS) and a freeBSD 12.2 based ready to run OVA of ASSP V2 are...
Kalkun is an open source web-based SMS (Short Message Service) manager.
It uses Gammu SMSD (part of gammu family) as SMS gateway engine to deliver and retrieve messages from your phone/modem.
Documentation is on the wiki: https://github.com/kalkun-sms/Kalkun/wiki
Development and source code can be found on github: https://github.com/kalkun-sms/Kalkun/
AfterLogic WebMail Lite PHP is a free AJAX webmail application. Users can receive, view, manage, compose, and send email through web interface (IMAP and SMTP supported). Source code included.
Lotus Notes e-mail (or any other document) notifier. Agent notifying about new emails through XMMP (used by Jabber IM service) protocol. Open architecture allows to write your own plugins supporting other types of communication channels.
Unlimited organizations, 3 enterprise SSO connections, role-based access control, and pro MFA included. Dev and prod tenants out of the box.
Auth0's B2B Essentials plan gives you everything you need to ship secure multi-tenant apps. Unlimited orgs, enterprise SSO, RBAC, audit log streaming, and higher auth and API limits included. Add on M2M tokens, enterprise MFA, or additional SSO connections as you scale.
...Supports POP3, APOP, IMAP, SMTP, SMTP AUTH, NNTP, LDAP, multiple accounts, spell-checking, addressbook, SSL, GPG, filtering, i18n, & more. It is further extended by plugins.
There are a lot of tools and plugins to fix security issues of the dignified mail system. The goal of this project is to redefine a system that takes the problems of our time into account.
Be sure to visit this project on github:
https://github.com/mv2project/mv2
javascript to convert thunderbird/seamonkey filters to sieve rules
Web form that converts pasted rule set from thunderbird/seamonkey msgFilterRules.dat filter file into sieve rules suitable for uploading to an imap mail server and compatible with the sieve rule editor plugin for roundcube 'sieverules' (http://www.roundcubeforum.net/7-third-party-contributions/46-api-based-plugins/4878-sieverules-plugin.html)
Hastymail is a fast, secure, rfc-compliant, cross-platform IMAP/SMTP client application written in PHP providing a clean web interface for sending and reading E-mail.
This version of Hastymail is no longer being developed. We are now working on a new version, Hastymail 3, AKA, "Cypht".
http://cypht.org
Special Folders Plugin is a plugin for the popular webmail Roundcube. This plugin lets the admin define new special folders, which will be displayed at top of folders lists. Admin can directly choose the real mail folder, a name for it and the icon.
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BAD HARVEST is a CGI application which helps you to hide email addresses from spam harvesters while still allowing your visitors to send mail by a click.
This plugin will add to the AJAX Webmail RoundCube the ability to tag mails like it is done in Thunderbird. He will follow the same semantic as Thunderbird to manage tag, so tags set using this plugins will be seen in Thunderbird and vice-versa.
Konfidi is a trust framework that uses topical trust values from a social network of authenticated people. When you receive an email from someone you do not know, but he/she is in the network, Konfidi will compute an inferred trust value for you.
The Postfix http map type allows you to hook up Postfix to a server with HTTP protocol, such as apache lighttpd nginx, etc. You need to write a CGI with C CPP Perl PHP etc, to complete the HTTP protocol to your database proprietary protocol conversion.
This plugin adds to RoundCube the ability to easily give different permissions to users by creating a roles table and assigning users to it. This and other plugins may use its public function to register permissions and admin them with this plugin.
mutt-mb is a program to create a list of mailboxes for the MUA mutt when mail is stored in maildir format. It can also be used to check the consistency of the mail storage.
This project aims to develop an open source client for Novell GroupWise. It uses the Eclipse Rich Client Platform for its user interface. Thus enabling a native looking and feeling and feature rich client for all major platforms.
Attachment Reminder is an Add-On (extension) for Mozilla Thunderbird that scans outgoing email for user-defined keywords (or just use the default list), and prompts you if it looks like you wanted to attach a file but didn't.
Penny Post is a system to combat spam emails by making the sender "pay for email" by spending a few seconds of computing time. Outgoing mail is marked with postage stamps that convince the receiver that the sender is genuine.
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.
Passenger is a powerfull and secure POP/IMAP proxy(gateway) server. It come with many plugins to adapt to your infrastructure (scalability, loadbalancing, secure with SSL, ldap or rdbm based, front-end abstraction of your infrascture).