Browse free open source C# Email Software and projects below. Use the toggles on the left to filter open source C# Email Software by OS, license, language, programming language, and project status.

  • Get Avast Free Antivirus with 24/7 AI-powered online scam detection Icon
    Get Avast Free Antivirus with 24/7 AI-powered online scam detection

    Get protection for today’s online threats. Free.

    Award-winning antivirus protection, as well as protection against online scams, dangerous Wi-Fi connections, hacked accounts, and ransomware. It includes Avast Assistant, your built-in AI partner, which gives you help with suspicious online messages, offers, and more.
    Free Download
  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
    Try free now
  • 1
    PROJECT NO LONGER HOSTED @ SOURCE FORGE Monitor network bandwidth. Desktop and Systray graph. Monitor any or all network interfaces. Ping/Trace/UPnP utilities. Email notifier (POP/IMAP). Requires .NET 2.0.
    Downloads: 26 This Week
    Last Update:
    See Project
  • 2
    simple console program, to send an email via configurable server with a short message, e.g. for admin information etc.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 3

    SMTPmail

    Send emails from command line

    Use SMTP mail server to send email via command line. Includes HTML or text file and attachments. Has option to send .MHT file. Optional list of email addresses from a tab delimited file. Source code creates its own class using low level RFC 821. SSL supported with options for port, username, password
    Downloads: 3 This Week
    Last Update:
    See Project
  • 4
    Aegis Implicit Mail (AIM)

    Aegis Implicit Mail (AIM)

    Send Mime and Smime Emails to Any Type of Mail Server

    Aegis Implicit Mail is a free and open source library which is designed to provide fast and developer friendly API to send emails using SMTP ports. Binaries are available in the form of NuGet package: https://www.nuget.org/packages/AIM Please check http://pki.tools/aim.html as well AIM Supports : * None Ssl Mails * Implicit Ssl Mails * Explicit Ssl Mails * Smtp Connection test * Detect Ssl type of mail server * Attachments for MIME and S/MIME message. * In-line attachment and separate file attachment * All content types and mimes * SMIME , Signed and Encrypted mails In an integrated way Sadly, Microsoft.Net.Mail Ssl Mails does not support Implicit Ssl Mail and it is still used by many servers, including port 465 of Gmail here AIM comes to make a readable and fast alternative to send your smtp mails. For unicode issues please refer to https://sourceforge.net/p/netimplicitssl/tickets/4/ . We really appriciate any help in testing of different encodings
    Downloads: 0 This Week
    Last Update:
    See Project
  • Build apps or websites quickly on a fully managed platform Icon
    Build apps or websites quickly on a fully managed platform

    Get two million requests free per month.

    Run frontend and backend services, batch jobs, host LLMs, and queue processing workloads without the need to manage infrastructure.
    Try it for free
  • 5
    Automated Server Monitor (ASM) has been designed to monitor 1..n servers for service availability. This includes checking any TCP/UDP service, many popular databases including Firebird, MySQL and SQL Server. ASM has been written using Delphi and C#.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    Encode/Decode library to/from Basic Encoding Rules (BER) of ASN.1 written in Visual Basic .Net. Useful to implement any protocol that uses BER (LDAP, SNMP, etc.).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    C# Email Server (CES). Implements SMTP and POP3 components that can be used as a standalone server or as components in other applications.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    This app can check if password valid for login.This app support for 3 mail server: gmail.com mail.ru yandex.ru Soon I'll upgrade my app.He will support yahoo.com etc... I will happy to listen your views!-)
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    AJAX,document discovery search system for legal discovery,email search & other types of docs i.e. MSWord,Excel, TIFF, etc. Uses SQL Server FTS - full text search, to index emails & attachments. Documents are stored in SQL Server Written in C# ASP.NET
    Downloads: 0 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
    Helps passing of relevant arguments to Mozilla (Gecko) based applications from a simple, descriptive GUI. Can save these 'Launchlets' to system tray, Start Menu, or Desktop. Simplifies managing multiple profiles, testing extensions, and troubleshooting
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    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
  • 12
    InboxVault is a service built on top of Documentum 6, using DFS, and hMailServer, an open-source .NET-based email server. The idea of InboxVault is to create a service that makes getting to your content as easy as sending an e-mail.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    The Kytane Client is an Open Source front end for the Kytane Data Service which is a internet based data storage mechanism.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    Easy and ready-to-use set of .Net Classes to implement LDAP applications (Servers and Clients). Included in the project: - Classes for all types of LDAP Requests and Responses; - Void Server and void Client Classes, ready for custom implementations.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    An IMAP4 Mail Client based on LumiSoft Mail Server API. The client support online, offline and disconnected mode. The client make it possible to manage rules for filtering mail. Mail are moved in new folders based on the rules.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    Shell project for a better shell on UNIX like systems Improved.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    Smilla .NET Communication Library is written in C# and intended to provide .NET developers with implementation of the main Internet application protocols. For now, NNTP protocol is implemented, and there are also plans for POP3 and may be some others.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    Crossplatform FrameWord writen for oberon
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    YES Linux a distribution that is focused on ease of use, user experience, and the internet. In 3 screens a secure server is installed and administered from a browser. A user should not have to use the console, but can if they wish.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • Next
Want the latest updates on software, tech news, and AI?
Get latest updates about software, tech news, and AI from SourceForge directly in your inbox once a month.