Mail Servers Page 2 of 4

Mailtrap is an Email Delivery Platform for businesses and individuals to Test, Send, and Control their email infrastructure performance.

Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet.

Disposable email addresses, protect your internet presence avoiding spam, phishers and identity theft threats.

OpenChange aims to provide a portable Open Source implementation of Microsoft Exchange Server and Exchange protocols.

Open Source standalone trashmail solution that ships its own mail server.

MintEmail.com is a no-click disposable email system. By simply visiting this site, you will be assigned a temporary email address. Use it on a website that requires email verification and when the email is received it will pop up instantly in this box.

Real-time email, chat, audio/video calls & conferences, file-sharing, and contacts app with a modern and intuitive UI.

Temporary email addresses don't have to suck. When a fake email won't work, use our free 10 minute mail boxes to get your throwaway emails.

Mailu is a simple yet full-featured mail server as a set of Docker images. It is free software (both as in free beer and as in free speech), open to suggestions and external contributions.

An enterprise application server that integrates information into a single workspace, integrates also a full mail server

Full featured solution for your Email server. Native implementation of last anti-SPAM metods, webmail and easy administration included.

Modoboa is a mail hosting and management platform including a modern and simplified Web User Interface. It provides useful components such as an administration panel or a webmail.

Low cost, easy to use Email Server software for virtual, on-premise, or hosted deployments for companies that want control of their email. Integrated web-mail with doc sharing, Drop Box integration, client and server side encryption.

The fake SMTP email server for development and testing.

Kerio Connect makes email, calendars, contacts and task management easy and affordable. With Kerio Connect, you have immediate, secure access to your communications anytime, anywhere, on any device - without complexity or expensive overhead.

IceWarp integrates all communication & collaboration features in one unified solution. Available in cloud or for on-premises deployment, IceWarp is a great tool to share and exchange all information and ideas online, offline or via mobile devices.

The Cyrus IMAP server differs from other IMAP server implementations in that it is generally intended to be run on sealed servers, where normal users cannot log in. Users can access mail through the IMAP/IMAP-S, JMAP, POP3/POP3-S or KPOP protocols.

Web-based team collaboration suite with email, calendar, contact and project management, filesharing, CRM, trouble tickets, chat, and online office integration.

Sendmail is a general purpose internetwork email routing facility that supports many kinds of transfer and delivery methods, including the Simple Mail Transfer Protocol (SMTP) used for email transport over the Internet.

OBM is a free messaging and collaboration platform useful for just a couple to many thousands of users with strong support for mobile devices.

Fripost – the Free Email Association. Fripost organize the people who want an alternative to "free" e-mail services where you are constantly under surveillance and personal data is handed over to third parties.

Blue Mind is a complete solution of company messaging, calendars and collaborative work. It aims to enable you to work daily with comprehensive, useful, efficient and effective tools.

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, and mailing list services within a single, consistent, framework.

PEPS is an open source secure email and file sharing platform.

Open Source Collaboration, providing integration with your existing Linux mailserver, native mobile phone support, Outlook "Look & Feel" webaccess and stable Outlook sharing (100% MAPI).