C++ Email Spam Filter Software

View 296 business solutions

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

  • $300 Free Credits to Build on Google Cloud Icon
    $300 Free Credits to Build on Google Cloud

    New customers can spin up VMs, build with AI, and query data at no cost.

    Put your $300 in credit toward real workloads, then keep building with free monthly usage for 20+ products. No commitment and no charge until you upgrade.
    Start Free
  • Build Agents and Models on One Platform Icon
    Build Agents and Models on One Platform

    Everything you need to build production-ready agents and models. Access 200+ Google and third-party AI models and tools.

    Gemini Enterprise Agent Platform is Google Cloud's comprehensive platform for developers to build, scale, govern, and optimize agents and models. Choose from Google's most advanced models and third-party models like Anthropic's Claude Model Family.
    Start Free
  • 1
    E-MailRelay

    E-MailRelay

    SMTP email proxy and relay server

    E-MailRelay is a simple SMTP proxy and relay MTA, written in C++, for Linux and Windows. As a proxy all messages can be passed through a user-defined program, such as a spam-filter, which can drop, readdress, or edit messages as they pass through.
    Leader badge
    Downloads: 461 This Week
    Last Update:
    See Project
  • 2
    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: 263 This Week
    Last Update:
    See Project
  • 3
    MailArchiva is a powerful, full featured email archiving (email archiver) and compliance solution for mail systems such as Microsoft Exchange. It stores all incoming, outgoing and internal emails for long term storage. A web based user interface is avail
    Downloads: 16 This Week
    Last Update:
    See Project
  • 4
    Fast, intelligent, automatic spam detector using Paul Graham style Bayesian analysis of word counts in spam and non-spam emails. Filtering adapts to personal tastes automatically. No manual rule creation required. Intended for use with procmail, maild
    Downloads: 22 This Week
    Last Update:
    See Project
  • Go from Code to Production URL in Seconds Icon
    Go from Code to Production URL in Seconds

    Cloud Run deploys apps in any language instantly. Scales to zero. Pay only when code runs.

    Skip the Kubernetes configs. Cloud Run handles HTTPS, scaling, and infrastructure automatically. Two million requests free per month.
    Start Free
  • 5
    SimpleCheck E-Mail Notification Client
    SimpleCheck is a fast, low resource, server oriented, Windows System Tray based E-Mail Notification Client with a simple UI that regularly checks multiple POP3 E-Mail accounts. Many full client features; immune to viruses; use to delete SPAM mail.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 6
    A small, fast, secure, anti-spam SMTP mail server (MTA). Delivery to mbox files and Maildirs supported. qwik-smtpd supports RBL, relay checking, raw/custom message handlers, and more. Custom authentication via checkpassword and a qmail-compatible configu
    Downloads: 4 This Week
    Last Update:
    See Project
  • 7
    Fix incorrect charset information in Content-Type MIME headers of e-mail messages.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 8
    ClamCour is a Courier-MTA multithread filter that allows Courier to scan mail for viruses using Clam Antivirus package.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 9
    IntimaLite is a standalone client that filters pop3 email accounts. therefore, it detects spam-emails by matching recipient emailaddress with a blacklist of blocked emailaddresses. [GERMAN/ENGLISH]
    Downloads: 1 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
  • 10
    SMTP Proxy server (WIN32) with antivirus and antispam features
    Downloads: 1 This Week
    Last Update:
    See Project
  • 11
    The goal of the rfc822 project is to create a C++ library for parsing and filtering email data as defined by RFC822 et.al. The goal is not, however, to replace any of the commonly used unix tools used in that area. Instead it should establish both a playg
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    Had it with junk mail? Annoyance-Filter sifts mail you wish to read from junk arriving in your mailbox by an adaptive process which gives priority to mail you're interested in reading and evolves to block cleverly disguised junk mail.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    Bayesian filter to get rid of spam mails, designed for use with Exim.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    This project aims to be a personal data storage and administration system. It will be an advanced system for information and electronic mail management. The server will be accessible to any IMAPv4 compatible mail client.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    E-mail greylisting system implemented as a freestanding executable suitable for use with Exim 4, using MySQL database back-end.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16

    CRM114 MILTER

    CRM114 milter for sendmail

    This is a milter which scans emails with CRM114
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    Chainmail is a Sendmail mail filter (milter) that manipulates emails that pass through Sendmail server in various ways. Under control of its configuration file, chainmail can reject messages, change their headers and bodies, add and remove recipients.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    ClamCour is a Courier-MTA multithread filter that allows Courier to scan mail for viruses using Clam Antivirus package. Attachments can be "quarantinated" and custom domain-based email reports can be sent.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    DNSBL6d is a new RBL server that will be lightweight with IPv6 capiblities, MYSQL intergration, and other features. Your suggestions are welcomed.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    Método y Sistema de voto electrónico vía e-mail utilizando par de claves asimétricas PGPl.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    This is an open-source implementation of Elegitimizer.com's "elegitisigner" specification. An easily implemented validation mechanism to help eliminate illegitimate e-mail or “Spam.” Elegitisigner features a well documented “web of trust” model.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    FiPPS is a simple POP3 proxy server for Windows which scans mail headers with regular expressions for spam/mailworms and deletes the mails without downloading them.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    Image Cerberus
    Image Cerberus is an image spam detector, based on pattern recognition and image processing techniques. It can be used as a SpamAssassin plug-in or integrated in any other anti-spam filter. It has been widely tested, achieving high performances.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    KAV check is a milter filter for sendmail for check incoming mail for viruses using Kaspersky Lab Antivirus daemon. It writen in C using milter API. It works well in Linux and must work in any other system where KAV daemon and sendmail is.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    MAFIVIHE filters your mail box finding the mistakes that SPAM'ers leave on the message, like storing empty values on "To" field. GUI-based, it's not 100% automatic to prevent misunderstanding.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • 3
  • Next