Insular email distribution - mail server as Docker images

An email spoofing testing tool that aims to bypass SPF/DKIM/DMARC and forge DKIM signatures.🍻

Internet standards compliance test suite

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

Verifying a DKIM-Signature by hand

Rspamd frontend for Modoboa

Check DNS A, AAAA, SPF, DKIM, DMARC, and BIMI records.

Tool for monitoring and analysing DMARC aggregate reports for a domain.

Analysis on your DMARC report files

Generate/send RFC-compliant e-mail messages. DKIM signed (optionally). Can send over SSL/TLS with authentication. Gmail.com and mail-tester.com are happy!

Scripts to prevent a mail server from generating backscatter

Email Deliverability and DNS Records Checker

User-friendly interface as well as python bindings for libopendkim.

Because setting up DKIM on many servers and domains can be boring.

Tiny script with a big purpose. Send authenticated emails with DKIM signatures.

custom mail api

MailVali is a tool for security analysts to perform various domain base lookups during their investigation.

A comprehensive phishing detection tool with advanced URL analysis, email header validation, domain similarity checks, and homograph attack detection. Features a risk scoring system, web interface, CLI, and REST API—ideal for personal protection, security training, and educational use.

Parse Incoming emails received through AWS SES; this is so as easy just give the AWS SES-S3 store event.

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.