Post-Office Software for Windows

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

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  • 1
    Rumble Mail Server
    Rumble is a mail server suite for SMTP (ESMTPSA), HTTP, POP3 and IMAP4v1 with an extensive C/C++ and Lua API for scripting. It comes with support for SSL/TLS, SQLite and MySQL and has a web-based administration and webmail feature. Additional included modules feature greylisting, DNS blacklisting, SpamAssassin support and dynamic performance scaling as well as a multithreaded structure that allows for clustering of multiple servers for one or all domains, and with the ease of the Lua API, you can create your own new server mailing lists, CRM software, e-marketing and other extensions within minutes.
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    Downloads: 103 This Week
    Last Update:
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  • 2
    SwithMail
    Send SMTP email silently from command line (CLI), or a batch file using Exchange, Gmail, Hotmail, or Yahoo! Plus. Supports XML settings files, variables, or all settings explicitly from the command line. Now supporting Exit Codes for batch file use (will return "0" for successful delivery, or "1" for error delivering) - handle your batch file accordingly.
    Downloads: 34 This Week
    Last Update:
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  • 3

    HERMES Mail

    The cult-favourite eMail client formerly known as Qualcomm Eudora

    eMail traffic is on the rise. With over 100 man-years of development time behind it and a clean, intuitive interface that makes handling messages a breeze, Hermes Messenger (formerly known as QUALCOMM Eudora) is more than a way to send and receive mail: it's a powerful management tool with features to increase your productivity and enhance your communications. It is the best eMail program for people who get lots of it. If you're not yet one of them, you soon will be. Take control of your eMail before it takes control of you! Hermes provides industrial-strength communication, free of ads and free of cost.
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    Downloads: 19 This Week
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  • 4
    PopTray is a mail notifier written in Delphi for the Windows platform. It sits in your tray notification area and check mail from multiple accounts on a timer interval. Preview, Delete, Rules, Plug-ins and translated into more than 30 languages.
    Downloads: 28 This Week
    Last Update:
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  • 5
    ClamMail is POP3 email proxy for Windows with integrated ClamAV antivirus engine. ClamMail is an Windows antivirus that protects your PC from viruses transferred via mail. Works with Outlook,Thunderbird,Eudora and many others using popular POP3 protocol
    Downloads: 59 This Week
    Last Update:
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  • 6
    hMailServer is a SMTP/POP3/IMAP server for Windows. Data is stored in MySQL/MSSQL database and is easily accessed using the COM library. Project info, trackers and downloads has moved to www.hmailserver.com.
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    Downloads: 31 This Week
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  • 7
    Hastymail
    Hastymail is a fast, secure, rfc-compliant, cross-platform IMAP/SMTP client application written in PHP providing a clean web interface for sending and reading E-mail. This version of Hastymail is no longer being developed. We are now working on a new version, Hastymail 3, AKA, "Cypht". http://cypht.org
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    Downloads: 15 This Week
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  • 8
    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: 6 This Week
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  • 9
    MyPhPim is A Multi-User, Personal Information Manager, including email client, addressbook, notes, todo and calendar, Written In PHP.
    Downloads: 15 This Week
    Last Update:
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  • 10
    OpenPop.NET

    OpenPop.NET

    Robust open source POP3 client and MIME parser written in C#

    .NET library written in C# with a full implementation of a POP3 client. Easy to use but yet powerful. Includes a robust MIME parser backed by several hundred test cases. The easiest way to install OpenPop.NET is via NuGet. In Visual Studio's Package Manager Console, simply enter the following command: Install-Package OpenPop.NET Our homepage (http://hpop.sourceforge.net/) includes examples, documentation and a general introduction for email. For more information, visit our project homepage. Code is hosted on GitHub (https://github.com/foens/hpop).
    Downloads: 4 This Week
    Last Update:
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  • 11
    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: 5 This Week
    Last Update:
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  • 12
    YPOPs! is an application which emulates a POP3/SMTP mail server and provides free POP3 and SMTP access to Yahoo! Mail. It does not depend on Yahoo's POP3/SMTP mail server. You can use a mail client of your choice!
    Downloads: 3 This Week
    Last Update:
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  • 13
    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: 4 This Week
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  • 14
    ZMail allows you to send email from anyone, to anyone. You can use ZMail to send fake or anonymous emails. Have fun!
    Downloads: 5 This Week
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  • 15
    An IMAP E-mail client for X-Windows written with GTK. Supports IMAP with and without SSL.
    Downloads: 2 This Week
    Last Update:
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  • 16
    WinNT HTTPMail->POP3 service. HotPOP3 is a Windows NT service, written in C++, which acts as a proxy between an HTTPMail server (MSN Hotmail) and any POP3 email client.
    Downloads: 2 This Week
    Last Update:
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  • 17
    Small program, which monitors email account via IMAPS (secure version of IMAP) protocol and inform user about new, unread messages. Coded in Java programming language.
    Downloads: 2 This Week
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  • 18
    MailTo

    MailTo

    Use for sending email to your custmor at spacific date.

    This is an application to send email to your customer automatically at the mail expire date or some days, that you mention, before expire date.
    Downloads: 2 This Week
    Last Update:
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  • 19
    Mailster is a project aimed at testing software mail capabilities. It provides a mail server container to test emails sent by your apps without rewriting your application code.
    Downloads: 2 This Week
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  • 20
    NMail is the C# written library, which provide message handling and receiving functionality.
    Downloads: 2 This Week
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  • 21
    Quinsonnas Mail, a PHP4+/PEAR Web email client, retrieves mail from POP, IMAP, and NNTP server inboxes into a MySQL database. Mail is sent via SMTP, Sendmail, or PHP. MIME emails are supported as well. Contacts and lists are stored for composing email.
    Downloads: 2 This Week
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  • 22
    Enterprise Collabortion Suite 2004. ECS2004 is a Web Mail, Shared Calendar, Projects, Helpdesk, Survey Engine, File Manager, Contacts, Forums and IM suite. Easy to use and a very low user learning curve. Professional look and feel. Easy installation.
    Downloads: 1 This Week
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  • 23
    A JAMES connector module for the Earnware Services Platform.
    Downloads: 1 This Week
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  • 24
    MERA is a Mailfilter developed for Outlook2k written in VBA. MERA replaces the Outlook-Rules-Wizard because it provides must more rules and actions.
    Downloads: 1 This Week
    Last Update:
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  • 25
    The POP3 project is a collaboration to give a full API of POP3 functions in a PHP class. Currently the class supports retrieval of all headers in a single call, message retrieval and decoding into associative arrays, message deletion and short-time hol
    Downloads: 1 This Week
    Last Update:
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