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Open Source Server Operating Systems Post-Office Software

Post-Office Software for Server Operating Systems

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

  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

    The database for AI-powered applications.

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  • Enterprise Job Scheduling Software Icon
    Enterprise Job Scheduling Software

    Unify Enterprise Job Scheduling for Scale, Visibility, and Control

    Managing your sprawling data center and cloud with disparate native schedulers creates chaos. Achieve unparalleled control and efficiency over your entire IT environment with JAMS job orchestration tools. JAMS provides the singular, centralized platform required to overcome the complexities of disparate native schedulers. Automate, secure, and govern all your workloads, eliminating fragmented control, compliance risks, and operational bottlenecks. JAMS streamlines operations and ensures audit-ready history, transforming your enterprise automation with confidence and precision.
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  • 1
    A small, fast, configurable, console based pop3 mail checker
    Downloads: 1 This Week
    Last Update:
    See Project
  • 2
    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
  • 3
    STS - SupportTicketsystem and Knowledgebase - auto response, Mail - parsing , mysql or mssql, user can rate tickets which where published in the knowledgebase for professional use user groups, admin - groups, ticketstatus - support iv'e read message
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    An advanced qmail distribution based on qmail-sql which has SMTP, SMTPS, POP3, POP3S, IMAP, IMAPS services, a content scanner, spoofing protections, SMTP AUTH support, SMTP-after-POP/IMAP, PHP5 API, SPF support and much more...
    Downloads: 0 This Week
    Last Update:
    See Project
  • DDoS Protection Solution | A10 Networks Icon
    DDoS Protection Solution | A10 Networks

    For enterprise IT security teams and network administrators looking to safeguard their networks against the latest and more severe DDoS threats

    The standalone SaaS-based DDoS intelligence solution proactively combats the increasing volume and complexity of DDoS threats, reducing operational costs and improving DDoS detection while safeguarding system availability— no dedicated DDoS equipment needed.
    Learn More
  • 5
    This is an email server written in C#. The server handles protocol, and a plugin architecture allows developers to create their own authentication/mail storage system, making this one of the most scalable email servers in the world. 2 plugins included.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    K-POP, A project to create a new, innovative, and flexible POP3 Server.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    LIMeTool (pronounced like the fruit), is intended to be a simple and easy interface for managing accounts on an integrated Sendmail/LDAP/Cyrus IMAP installation. It's written in PHP and is realitively easy to configure and expand.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    Magic Spell, a mail client with POP and IMAP support and multiple interfaces.
    Downloads: 0 This Week
    Last Update:
    See Project
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    Get to know our award-winning HR software.

    HR software with heart.

    BambooHR is all-in-one HR software made for small and medium businesses and the people who work in them—like you. Our software makes it easy to collect, maintain, and analyze your people data, improve the way you hire talent, onboard new employees, manage compensation, and develop your company culture. It’s designed to set you free to focus on what matters most—your people.
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  • 10
    Mailafar is a mail server designed for use in difficult communication environments providing a full set of Internet email protocols, web mail, web admin, dial-in and wireless LAN access control. It will run on Linux, FreeBSD and Windows.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    This program rapidly delivers bulletins by linking them to a single bulletin file. This saves heaps of disk space and is >100 times faster than regular delivery.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    pop3client is a tool allowing to send command from command line interfaces to POP3 server.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    Modular POP3 daemon.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    POP 4 is a protocol specification for extentions to the POP 3 protocol. O3 is a mail system that implements POP 4.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    Qpopper is the most widely-used server for the POP3 protocol (this allows users to access their mail using any POP3 client). Qpopper supports the latest standards, and includes a large number of optional features.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    Graphical OS Kernel compiled with gcc 4.6.1 and nasm 2.09.08
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17

    SPAMGrinderProxy

    SPAM filtering proxy.

    SPAMGrinderProxy is an SMTP and POP3 spam filter that runs as a service on Windows XP/2K. It works with any server or client, scanning each message for SPAM and flagging those that are. It can interoperate with SpamAssassin or use its own filters.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    ZpopPER is a multi-process POP3 retriever, written in PERL. It is a POP3 to SMTP gateway like 'fetchmail'. It differs from fetchmail in parallelization, which makes it much faster.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    FreeYourEmail frees you of: proprietary APIs, HTML web pages, Mail clients, etc... It can incorporate multiple email accounts (GroupWise, Yahoo!, etc...) and provide a single download point. It can offer other information: Weather, Stock quotes, etc..
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    Pop3 server with OS/2 PM management interface and CGI applications for mailbox setup.
    Downloads: 0 This Week
    Last Update:
    See Project
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