Start building on Google Cloud with $300 in free credits. No commitment, no credit card required until you're ready to scale.
Launch your next project with $300 in free Google Cloud credits—no strings attached. Test, build, and deploy without risk. Use your credits across the entire Google Cloud platform to find what works best for your needs. After your credits are used, continue with always-free tier services. Only pay when you're ready to scale. Sign up in minutes and start exploring.
Start Free Trial
Enterprise-grade ITSM, for every business
Give your IT, operations, and business teams the ability to deliver exceptional services—without the complexity.
Freshservice is an intuitive, AI-powered platform that helps IT, operations, and business teams deliver exceptional service without the usual complexity. Automate repetitive tasks, resolve issues faster, and provide seamless support across the organization. From managing incidents and assets to driving smarter decisions, Freshservice makes it easy to stay efficient and scale with confidence.
FMTA is a simple SMTP/POP3 server designed to run on Fox boards (Fox board is a small but powerful embedded computer running a complete GNU/Linux system).
A milter to verify the validity of sender addresses ( originator email addresses ) against an ldap server. If the domain exists in the ldap server then the originator's address is checked to exist. If not the mail is either stopped or flagged.
YPOPs! is an application which emulates a POP3/SMTP mailserver and provides free POP3 and SMTP access to Yahoo! Mail. It does not depend on Yahoo's POP3/SMTP mailserver. You can use a mail client of your choice!
Unlimited organizations, 3 enterprise SSO connections, role-based access control, and pro MFA included. Dev and prod tenants out of the box.
Auth0's B2B Essentials plan gives you everything you need to ship secure multi-tenant apps. Unlimited orgs, enterprise SSO, RBAC, audit log streaming, and higher auth and API limits included. Add on M2M tokens, enterprise MFA, or additional SSO connections as you scale.
xstress is a SMTP mailserver stress testing tool. xstress creates multiple connections (using threads) to the (configured) mailserver and sends mails with varying subject, body, attachment and TO/FROM addresses.
A fast, client-server design for greylisting service. Initially intended for Postfix based e-mail servers, includes country identification and other tuning parameters.
Mixmaster is an anonymous remailer. Remailers provide protection against traffic analysis and allow sending electronic mail anonymously or pseudonymously.
Mixmaster consists of both client and server installations.
The deepOfix MailServer makes it possible for organisations with minimal technical expertise to have robust server infrastructure. It offers unprecented ease of use, doesn't require prior GNU/Linux experience and is backed by a full-time support team.
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.
pop3spam is a POP3 client which connects to a POP3 server and deletes
unsolicited mail in-place. It's possible to check for messages that exceed a
certain limit and to scan header lines for special patterns (regular
expressions).
g-milter, or "guerilla milter", is an open source filter for restricting arriving mail not checked by existing filters due to standards compliance. Running this will catch more spam but almost certainly violates e-mail standards. Requires sendmail.
AISK is an acronym for Artificial Intelligence Spam Killer. It is a server side filter that acts as a kind of PROXY and uses SMTP to communicate with MTA. Main decision mechanism is based on artificial neural network capable of finding patterns, learning
Ghost In The Mail is a very basic mail client for Linux, written in C, for GTK. It supports attached files. The user can specify the SMTP server, the sender's e-mail, and the name.
This project is named PSCM, an acronym for POSTFIX, Spamassassin, ClamAV, Mailscanner. It is an integrated RPM package featuring a SMTP mailserver, with spam filtering and virus scanning capabilities, designed for easy installation and usage.
Syron Qmail is a qmail distribution based on netqmail and qmail-sql
which tries to unify several public available patches to include almost
all modern mailserver features into qmail (SQL User Database, SMTP
AUTH/TLS, high load adjustments and more).
SMTP server for Linux, supports virtual domains, mail lists, stores users data in a SQL database (e.g. MySQL), and allows to specify quota s. The server stores mail in maildir format, so users can retrieve mail with Courier-IMAP and similar servers.
A statistics utility to be used with qmail-scanner. It utilizes log entries generated by a patch to the qmail-scanner distribution to report spam and virus details. Often included in the qmailstats script from QmailRocks.org to send nightly stats emails.
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...
This is a reference implementation of Identified Internet Mail - a signature based message authentication mechanism that can be used to combat phishing and spam.
The package includes a sendmail milter and a key registration server.
This project is obsolete andhas been superseded by DomainKeys Identified Mail (DKIM). It is primarily of historical interest.
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.
Quick Mail Project is MailServer with Web mail. The project is independed platform support designed Using Java ,C, PHP ,MySQL database . Its support RFC SMTP protocol , RFC Internet Message, Multi domains, forward, block, spam bulk and a lot more.
Linux-based MTA & POP/IMAP server written in JAVA, that does NOT use Linux accounts. Instead, it uses SQL database to perform most operations and transactions. Goals: SIMPLE configuration, ready-to-go out-of-the-box.
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.
MailDB adds a database back-end to an IMAP server for features such as "virtual" mail folders (msgs appearing in multiple folders), "view" folders (dynamic results of searches), etc. The DB is inherently multi-user, allowing msg reference counting.