Post-Office Software for BSD

Browse free open source Post-Office software and projects for BSD below. Use the toggles on the left to filter open source Post-Office software by OS, license, language, programming language, and project status.

  • Custom VMs From 1 to 96 vCPUs With 99.95% Uptime Icon
    Custom VMs From 1 to 96 vCPUs With 99.95% Uptime

    General-purpose, compute-optimized, or GPU/TPU-accelerated. Built to your exact specs.

    Live migration and automatic failover keep workloads online through maintenance. One free e2-micro VM every month.
    Try Free
  • Go From AI Idea to AI App Fast Icon
    Go From AI Idea to AI App Fast

    One platform to build, fine-tune, and deploy ML models. No MLOps team required.

    Access Gemini 3 and 200+ models. Build chatbots, agents, or custom models with built-in monitoring and scaling.
    Try Free
  • 1
    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, calendaring, and mailing list services.
    Leader badge
    Downloads: 208 This Week
    Last Update:
    See Project
  • 2
    Fetchmail - the mail-retrieval daemon

    Fetchmail - the mail-retrieval daemon

    Client daemon to move mail from POP and IMAP to your local computer

    Fetchmail is a mail retrieval daemon that can download messages from POP3, IMAP, ODMR and ETRN-based stores, with SSL/TLS security including certificate verification, and pass downloaded mail to a local SMTP or LMTP server, or a message delivery agent such as maildrop.
    Leader badge
    Downloads: 97 This Week
    Last Update:
    See Project
  • 3

    Isync

    mailbox synchronizer

    A command line utility for synchronizing remote IMAP mailboxes and local maildir-style mailboxes. This is useful for working in disconnected (off-line) mode, such as on a laptop, but also for mirroring mailboxes between servers.
    Leader badge
    Downloads: 86 This Week
    Last Update:
    See Project
  • 4
    Convert Webmail to POP3.Is also included a SMTP/POP3 tunneling system that allow send and receive email in a private network HTTP PROXY based. All connection are plugin based. Over 450 email server supported and tested, GMAIL POP3/SMTP over Proxy Network.
    Downloads: 8 This Week
    Last Update:
    See Project
  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
    Start Free
  • 5
    Columba
    Columba is an email client written in Java, featuring a user-friendly graphical interface with wizards and internalionalization support. Its a powerful mail management tool with features to enhance your productivity and communication.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 6
    ZMail allows you to send email from anyone, to anyone. You can use ZMail to send fake or anonymous emails. Have fun!
    Downloads: 9 This Week
    Last Update:
    See Project
  • 7
    FreePOPs is a webmail to pop3 conversion daemon. It is extensible to support other webmail using the scripting language LUA. See the homepage for supported webmails.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 8
    Heirloom mailx (formerly known as "nail") is intended provide the functionality of the POSIX mailx command with additional support for MIME messages, IMAP (including caching), POP3, SMTP, S/MIME, message threading/sorting, scoring, and filtering.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 9
    jwSMTP, Send email programmatically (C++ code/lib). Linux, BSD, Windows etc. Attachments, Multiple recipients, Cc/Bcc recipients supported. MX lookup or send to an SMTP server direct. LOGIN and PLAIN authentication now supported. Html or plain text forma
    Downloads: 4 This Week
    Last Update:
    See Project
  • Build Securely on Azure with Proven Frameworks Icon
    Build Securely on Azure with Proven Frameworks

    Lay a foundation for success with Tested Reference Architectures developed by Fortinet’s experts. Learn more in this white paper.

    Moving to the cloud brings new challenges. How can you manage a larger attack surface while ensuring great network performance? Turn to Fortinet’s Tested Reference Architectures, blueprints for designing and securing cloud environments built by cybersecurity experts. Learn more and explore use cases in this white paper.
    Download Now
  • 10
    JEEPERS (Jason's Extra Easy to Program Email Response System) uses a POP3 email account to monitor email for command phrases in subject lines. Default commands for remote file storeage and retrival. (Nothing to do with mailing lists or mass emailing.)
    Downloads: 6 This Week
    Last Update:
    See Project
  • 11
    IndiMail
    Highly scalable/configurable Messaging Platform allowing users in a domain to be distributed on multiple hosts, has multiple queues. Provides virtual domains/users in MySQL. Modern MSP class qmail replacement with ESMTP, POP3/IMAP, QMTP, QMQP support
    Leader badge
    Downloads: 1 This Week
    Last Update:
    See Project
  • 12
    Watch mailstores for changes and initiate mailbox syncs
    Downloads: 5 This Week
    Last Update:
    See Project
  • 13
    GreenMail is an intuitive and easy-to-use test suite of email servers for testing purposes. Supports SMTP, POP3, IMAP with SSL socket support, and configurable user accounts and credentials. All in 100% Java. WE'VE MOVED TO GIT HUB: https://github.com/greenmail-mail-test/greenmail
    Downloads: 2 This Week
    Last Update:
    See Project
  • 14
    New Maintainer wanted! I'm looking for a new maintainer for this project because I'm not able to attend it anymore. If you want to help please write to kuddel-fl. KShowmail is a POP3 mail checker for the KDE with these features: show number, size and more information about mails on pop3 servers in a list view, show the mail headers or complete mails, delete unwanted mail from server by configurable filters.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 15
    An IMAP E-mail client for X-Windows written with GTK. Supports IMAP with and without SSL.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 16
    Pulsar POP3 server (daemon) is easy to use with intuitive configuration file. It supports virtual (non-system) users and virtual hosts (IP based and user supplied). Can run from xinetd, inetd or standalone.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 17
    CleanPOP de-spams and expires emails from a POP3 server based on matching emails in your local mbox file, so local anti-spam tools can be used to clean your remote inbox. It is also useful for fetchmail users, who have no option to *delete after X days*
    Downloads: 1 This Week
    Last Update:
    See Project
  • 18
    P3Scan is a fully transparent scanning proxy-server for email clients. It provides scanning of incoming/outgoing email messages for Virus''s, Worms, Trojans, Spam, and harmfull attachments. It can also parse messages for web-bugs.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 19
    Browsing your mail on mail server, And deleting mails without downloading.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 20
    Check given IP/Host presence in 106 RBLs. Now, you don\'t have to check a lot www sites, just run this script in console.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 21
    Graphical OS Kernel compiled with gcc 4.6.1 and nasm 2.09.08
    Downloads: 1 This Week
    Last Update:
    See Project
  • 22
    Sieve script editor for Gnome, easy to use.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 23
    This is a set of .NET class libraries, designed to use various Internet protocols in a easy-to-use OO matter. So far it contains a POP3 and an IRC (Internet Relay Chat) library.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    A web-based helpdesk ticketing system. It adopts a more effective ticket sorting/ranking method instead of the cumbersome "assign/completed". More: http://www.upoint.info/cgi
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    APOP + LDAP authentication patch for QMail (auth_pop) 1. POP & APOP authentication 2. Passwords in LDAP are stored encrypted
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • 3
  • 4
  • 5
  • Next
MongoDB Logo MongoDB