Open Source Email Servers
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Email Servers
View 46 business solutionsBrowse free open source Email Servers and projects below. Use the toggles on the left to filter open source Email Servers by OS, license, language, programming language, and project status.
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Go from Code to Production URL in SecondsSkip the Kubernetes configs. Cloud Run handles HTTPS, scaling, and infrastructure automatically. Two million requests free per month.
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Foedus Mail is a mail server written in Java. The goal is to produce stable IMAP, SMTP, and POP3 support and then to build upon and refine it.
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A small, fast, secure, anti-spam SMTP mail server (MTA). Delivery to mbox files and Maildirs supported. qwik-smtpd supports RBL, relay checking, raw/custom message handlers, and more. Custom authentication via checkpassword and a qmail-compatible configu
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This project aim is to Send Birthday/ Anniversary wishes automatically,all the details are storedlocally and program interacts with the web based Mail server (Google or yahoo or such servers) and send pre configured messages/ Cards on Time scheduled.
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EmpeecoMail: A full featured POP3 mail server, proxy server, DHCP server, fax server. Interactive/service on WIN32 systems. Multiple users mailboxes on LAN or Broadband VPN. Collect from multiple external Mailboxes. Spam Filter.
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Gemini 3 and 200+ AI Models on One PlatformBuild generative AI apps with Vertex AI. Switch between models without switching platforms.
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JXchange is an mail server multiplataform, written in Java language, like MS-Exchange. This project includes SMTP server, POP3 server, IMAP server, web management interface and webmail designed to run in almost all OS.
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Apache James Mail Server hook for the famous Liferay Enterprise Portal. Uses James as mail server backend rather than Postfix/QMail/Sendmail. Easy to configure if you have production mail server(MTA) based on James.
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A small linux distribution aimed at servers, where the single point of administration and authentication is an OpenLDAP database. It includes modified versions of the most important services: Web Server, Mail Server, File Server, DHCP Server, authenticat
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Stop spam by using a constantly changing email address. This is achieved by adding a "stamp" in front of the regular email address. Email server, client or filter will check for a valid "stamp" and either remove or pass the email.
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OpenLemonade is a community project that implements a Lemonade service consisting of protocols and email server extensions that provide mobile email.
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Outlook Headers
Outlook Headers exposes the Internet Headers of emails.
Enables access to SMTP/Internet email headers for lower level email processing. The Internet Headers include 'X-Headers', sending domain, sending IP address, mail server info, other info prepended along the delivery path that may be of use. This will greatly comppliment the Outlook 'Junk Mail' tools. -
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SPAM Gatekeeper will be your weapon in the fight against SPAM. Use the Gatekeeper as a mail client or as a general filter between your mail client and the mail server and enjoy the easy-to-use user interface.
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Zeus:DB is a all-in-one server solution. Zeus:DB is a fast and light weight XML Database Server with SQL support, a Time Server, a HTTP Server with integrated Intranet support and an EMail Server. This is a complete solution like the Lotus Domino server.
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