Zimbra is the most capable open source email and collaboration suite available today. It provides support for Email, Shared calendar, Document management, Pop3, Address book and lot more. Mails could be tagged and search support is also provided. Zimbra is considered as an alternative to Microsoft Exchange Server.
mail-server groupware instant-messaging smtp pop3 imap document-management dmsThe JavaMail API is a set of abstract APIs that model a mail system. The API provides a platform independent and protocol independent framework to build Java technology based email client applications. The JavaMail API provides facilities for reading and sending email. Service providers implement particular protocols. Several service providers are included with the JavaMail API package; others are available separately.
email-library mail-library smtp-library pop3-library imap-library mail smtp imap pop3MailKit is a cross-platform mail client library built on top of MimeKit.The main goal of this project is to provide the .NET world with robust, fully featured and RFC-compliant SMTP, POP3, and IMAP client implementations.
c-sharp email mime parser mime-parser dkim pgp smime smtp imap pop3 clientDavMail is a POP/IMAP/SMTP/Caldav/Carddav/LDAP exchange gateway allowing users to use any mail/calendar client (e.g. Thunderbird with Lightning or Apple iCal) with an Exchange server, even from the internet or behind a firewall through Outlook Web Access. DavMail now includes an LDAP gateway to Exchange global address book and user personal contacts to allow recipient address completion in mail compose window and full calendar support with attendees free/busy display.
smtp-server mail-server gateway exchange-gateway pop3 imap ldap caldav carddavMailspring is built on the modern web with Electron, React, and Flux. It is designed to be extensible, so it's easy to create new experiences and workflows around email.
email mail electron osx electron-app imap webmail mail-client email-clientSimple, modern & fast web-based email client.Modest system requirements, decent performance, simple installation and upgrade, no database required - all these make RainLoop Webmail a perfect choice for your email solution.
webmail rainloop js imap smtp mail simple modern web-based email client openpgpRoundcube Webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality you expect from an email client, including MIME support, address book, folder management, message searching and spell checking.
imap impa-client webmail mail-client mail webmail-client web-mailA fullstack but simple mail server (smtp, imap, antispam, antivirus...). Only configuration files, no SQL database. Keep it simple and versioned. Easy to deploy and upgrade. Before you open an issue, please have a look this README, the Wiki and Postfix/Dovecot documentation.
docker mailserver mail postfix dovecot spamassassin amavis opendkim opendmarc ldap fail2ban ssl letsencrypt postgrey imap smtpJames (a.k.a Java Apache Mail Enterprise Server) is a 100% pure Java SMTP and POP3 Mail server, and NNTP News server designed to be a complete and portable enterprise mail/messaging engine solution based on currently available open messaging protocols.
mail-server email-server enterprise mailing-list smtp lmtp pop3 nntp imap mta mail-delivery-agentHopefully this will build the community and reduce duplicated effort. NeoMutt was created when Richard Russon (@FlatCap) took all the old Mutt patches, sorted through them, fixed them up and documented them.
mail mutt mua cli ncurses notmuch imap smtp mbox maildir pop3 mime pgp nntp neomuttMailu is a simple yet full-featured mail server as a set of Docker images. The project aims at providing people with an easily setup, easily maintained and full-featured mail server while not shipping proprietary software nor unrelated features often found in popular groupware.
docker email imap pop3 webmail mailserver mail smtp docker-compose dkim dmarc fetchmail letsencrypt email-server mail-server self-hosted ldapMaddy Mail Server implements all functionality required to run a e-mail server. It can send messages via SMTP (works as MTA), accept messages via SMTP (works as MX) and store messages while providing access to them via IMAP. In addition to that it implements auxiliary protocols that are mandatory to keep email reasonably secure (DKIM, SPF, DMARC, DANE, MTA-STS). It replaces Postfix, Dovecot, OpenDKIM, OpenSPF, OpenDMARC and more with one daemon with uniform configuration and minimal maintenance cost.
mail-server email-server smtp-server mail imap smtp spf dkim dmarcIMPORTANT NOTE: This repository is for python2 only. The support for offlineimap3 is happening in Official offlineimap for python3. I'll still lazily maintain this legacy offlineimap but users should definitely go with offlineimap3.
offline imap emails mutt maildir notmuch mailboxes synchronizeiRedMail is a fully fledged, full-featured mail server solution. It uses open source packages like Postfix, Dovecot, Apache, MySQL, OpenLDAP, Amavisd, RoundCube etc to provide this solution.
email email-solution mail-server smtp pop3 imap software-bundle webmailThunderbird is most popular simple e-mail, newsgroup and news feed client. It is comparable to Microsoft outlook. It supports features such as Firefox's tabbed browsing, Email search, Message archive, Spam filtering, Message grouping, SSL, TLS, POP3 and IMAP support and lot more.
mail email-client mail-client imap pop3 smtpSharpWebMail is an ASP.NET webmail application that is written in C#. It uses a POP3 or IMAP servers as the mailstore and sends mail through a SMTP server. It is very simple to configure (only a few settings in the web.config file). You can compose HTML messages, search your inbox, read complex mime messages, have multiple address books and much more.
webmail web-mail smtp mail-client pop3 imap mail-storeMailCore 2 provides a simple and asynchronous Objective-C API to work with the e-mail protocols IMAP, POP and SMTP. The API has been redesigned from the ground up.
imap smtp pop3 mail-sync synchronization
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