Gene's SMTP server — receive Internet mail with less fuss

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A fast, highly extensible, and event driven SMTP server

A web application that allows the users to check whether their SPF, DMARC and DKIM configuration is set up correctly.

qmail fork with IPV6, TLS, DANE, DKIM, SRS2, SPF, daemontools, qmailanalog, mess822, & ucspi-tcp

A PowerShell module to test and explain all facets of a domain's email records.

Insular email distribution - mail server as Docker images

A cross-platform .NET library for IMAP, POP3, and SMTP.

Ansible role to setup Postfix

Verify any text in any sent or received email, cryptographically and via only trusting the sending mailserver.

A .NET MIME creation and parser library with support for S/MIME, PGP, DKIM, TNEF and Unix mbox spools.

DKIM, ARC, SPF and DMARC library for Rust

qmail is a secure, reliable, efficient, simple message transfer agent.

Laravel package for signing outgoing messages with DKIM

Mailspoofsent is a Bash script that sends an email using the smtp.mailfrom and header.from addresses specified by the user. It also changes some configuration values that are required to spoof email bypassing spam filters.

Simple and full-featured mail server using Docker

To check the DMARC records for multiple domains at once,This script accepts multiple domains as arguments and checks for the existence of DMARC, SPF, and DKIM records for each domain. To run this script, you'll need to provide the domains as arguments when calling the script from the command line.

Application that creates a dashboard for scans using the Internet.nl API.

Internet standards compliance test suite

Postfix SMTP relay docker image