Hermes Secure Email Gateway is a Free Open Source Secure Email Gateway and Email Server

A Nix EDSL that brings the power of the Nix programming language to Pandoc's markdown

Research into bypassing Microsoft Exchange Online Protection / Safe Links during phishing engagements by recognizing known EOP IPs and presenting an alternative web page.

Zero Trust email security implementation using Microsoft Defender for Office 365 — Safe Attachments, Safe Links, anti-phishing, and automated post-delivery remediation.

Security App (for Windows 11) that helps MS Outlook users to reconsider opening external links from emails.

Microsoft Safe Link Unfurler

HexaSafeLink is a lightweight Python CLI tool designed to detect scam and suspicious links worldwide. It analyzes URLs using shortlink detection, suspicious TLDs, scam keywords, DNS/IP checks, and risk scoring to help users stay safe from phishing, fraud, and malicious links.

Extract the link inside a safe link.

Replace Microsoft safelinks with the original destination in Gmail and OWA