Free and open source webmail software
SquirrelMail is a PHP-based Web email client. It includes built-in pure PHP support for IMAP and SMTP, and renders all pages in pure HTML 4.0 for maximum compatibility across browsers. It has strong MIME support and a flexible plugin system.
Windows eml and mbox viewer.
Windows Mbox Viewer. Gain access to mbox archives or single eml messages. View attachments and export single mails in eml format. Access large box files such as Google Takeout or Mozilla Thunderbird Archives.
Outlook Mail Merge Attachment is a script which can be used to add an attachment to an mail merge in Microsoft Outlook.
Magic Mail Monitor3 - Windows mail checker with multiple mailboxes support, ability to preview and delete messages. Based on original code of Magic Mail Monitor from Valeriy Ovechkin.
Email Notifier For Windows
This email notifier sits in your system tray and pops up a notification when new messages arrive. Preview your email before downloading it to your mail client or launching webmail applications. Create rules to delete or change the priority of messages. This program builds upon the open source PopTray mail notifier adding many new features including Windows Vista/7/8/10 support, UTF-8 and unicode support, HTML Preview, IMAP support, TLS & SASL support, etc.
PopTray is a mail notifier written in Delphi for the Windows platform. It sits in your tray notification area and check mail from multiple accounts on a timer interval. Preview, Delete, Rules, Plug-ins and translated into more than 30 languages.
Convert Outlook and Outlook Express files to open formats
Tiny application based on readpst and dbxconv that provides a convenient GUI to convert Outlook and Outlook Express files into open standards. The program converts Outlook Express 5/6 .DBX to .EML and Outlook 2003/2007/2010 .PST to MBOX. The program runs only on Linux machines and doesn't need any Microsoft software!
This is an open source Email client for Borland Delphi with source code. It uses Indy controls as well as PBears HTML Viewer Component and BSALA EmbeddedWB (updated versions for Delphi 2009 are here). It is IMAP, POP3, MAPI and SMTP compatible.
It is an email sender. This software can send your mass marketing bulk email to unlimited mailing list. The program can send via SMTP server, MAPI, or delivers e-mail directly without ISP's mail system. Also includes flexible address filters and rules.
A nice system wide software to display notifications like Growl for Mac on Windows is Snarl fullphat.net.Find here various plugins and apps which add Snarl support to different apps
Ec supports reading, composing, and sorting messages in user defined folders. It can send and receive mail to and from remote POP3 and SMTP servers, and route mail using sendmail, exim, and qmail. Ec also supports MIME attachments and multiple accounts
MH-E is the Emacs interface to the MH mail system. It offers all the functionality of MH, the visual orientation and simplicity of use of a GUI, and full integration with Emacs and XEmacs, including thorough configuration and online help.
SaltOS, ERP, CRM, Business Management Suite, Josep Sanz Campderrós
SaltOS is a Business Management solution 100% Cloud Computing. It integrates features like CRM (Customer Relation Management) and ERP (Enterprise Resource Planning). Moreover is it licensed as 100% free software GPL-3.0.
The continuation of the Alpine email client from University of Washington.
Trojitá, a Qt IMAP e-mail client
The venerable MH message handling system: a command-line based mail user agent for UNIX/Linux developed at the RAND Corporation and the University of California, Irvine.
E-mail Spoofer is a tool designed for penetration testers who need to send phishing e-mails. It allows to send mails to a single recipient or a list, it supports plain text/html email formats, attachments, templates and more... Update Version 1.1: =============== * Added text conversion to Homographs for bypassing spam filters. (based on http://www.exploit-db.com/wp-content/themes/exploit/docs/20114.pdf) * Added Reply-To header * Added Sender Name Field * Added Built in User Agent * Detailed error log If you find this tool useful crypto currency donations are welcome: Bitcoin: 1Kksc9b4WZ5X36xGDgpodPVpBSozMje6ui Litecoin: LQ1JCMxo122FpJ8iKX7HsrNtjCacpTkkFW
OlivaMail is a set of the java e-mail solutions: Webmail, Java Email Client (GUI), Command Line Utility (CLI) and the Core library.
Simple Lotus Notes mail client
LNMail is a graphical user interface to access your Lotus Notes mail messages. It is mainly intended to organize the messages stored on the Lotus Notes server. Since by default the space of your Lotus Notes mail account is limited, LNMail gives you easy and seamless access to your created archives. Organization and finding mails should now be easy.
NOCC is a simple and fast Webmail client which can handle POP3, SMTP, and IMAP servers. It is written with PHP5 (uses sessions), has low requirements (no database, frames). Features multi-language support, MIME attachments, displays HTML messages.
Send Mime and Smime Emails to Any Type of Mail Server
Aegis Implicit Mail is a free and open source library which is designed to provide fast and developer friendly API to send emails using SMTP ports. Binaries are available in the form of NuGet package: https://www.nuget.org/packages/AIM Please check http://pki.tools/aim.html as well AIM Supports : * None Ssl Mails * Implicit Ssl Mails * Explicit Ssl Mails * Smtp Connection test * Detect Ssl type of mail server * Attachments for MIME and S/MIME message. * In-line attachment and separate file attachment * All content types and mimes * SMIME , Signed and Encrypted mails In an integrated way Sadly, Microsoft.Net.Mail Ssl Mails does not support Implicit Ssl Mail and it is still used by many servers, including port 465 of Gmail here AIM comes to make a readable and fast alternative to send your smtp mails. For unicode issues please refer to https://sourceforge.net/p/netimplicitssl/tickets/4/ . We really appriciate any help in testing of different encodings
The purpose is to mass mail many recipients with each recipient appearing to be the sole recipient of the email. This is just a simple web page made with the ubiquitous php mailer.
An extremely configurable portable GUI email and news client for Windows/Unix (including OS X) with IMAP, POP3, SMTP, and NNTP support, SSL, flexible address database, Python scripting, powerful filtering, and many other features for advanced users.
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.