Sync your Contact Form 7 web forms with Zulu eDM Campaign Management Software, install this light plug in and you will be set.

Mail cluster diagram created with draw.io

Mining SPF records for available Elastic IP addresses

Docker Postfix SMTP Relay with support for rewriting canonical names

Sets baseline DNS records in a Route53 zone. Includes defaults to prevent abuse.

Simple program to retrieve SPF, DMARC and DKIM settings

Email Config Checker checks emails account spf, dns, dkim and email reachability.

📩 Parse and generate SRS (Sender Rewriting Scheme) email addresses. (Abandoned)

A simple domain verification tool written in Golang.

Terraform module to configure various email related DNS records on Cloudflare.

Graph data structures, minimal spanning tree algorithms and shortest path finding alghoritms C++ implementation.

Smarter mail servers

This is a docker environment for sending and receiving mail with bind and postfix.

A puppet module to configure python-postfix-policyd-spf

The detail guideline that setup a domain properly for your SaaS business.

Writing SPF checks in python3

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

《東方天慾錄 ～The Sealing of Prophet's Fantasy》底層程式 by 冷酔閑吟

Python library for SPF, DKIM, and DMARC email protections.

OutlookDSD - A simple add-in for Outlook that shows a messages DKIM, SPF and DMARC status.