
rspamd
Spam filtering and email processing framework with regex rules, statistical analysis, custom Lua plugins, and external blocklists for MTA integration.

Spam filtering and email processing framework with regex rules, statistical analysis, custom Lua plugins, and external blocklists for MTA integration.

Open-source email filtering framework that detects spam and phishing using content analysis, header checks, Bayesian scoring, and DNS blocklists.

Sublime rules for email attack detection, prevention, and threat hunting.

Automation to assess the state of your M365 tenant against CISA's baselines

mboxShell. Fast terminal viewer for MBOX files of any size. Open, search and export emails from Gmail Takeout backups (50GB+) without loading them…

🦄 A curated list of privacy & security-focused software and services

Python proof-of-concept for testing SMTP command injection (CVE-2026-73570) by sending malformed RCPT TO addresses to detect shell command…

Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server…

Defensive engagement & threat intelligence research laboratory. Converts inbound scam emails into actionable IOCs through controlled, policy-driven…

amavis is a high-performance email content filter framework written in Perl.

:mailbox: Cross-language temporary (disposable/throwaway) email detection library. Covers 55 734+ fake email providers.


EmailXpose is an open source AI-powered email security system that detects phishing, spam, scams, malware, and social engineering attacks. It goes…

Purple team project exploiting CVE-2023-23397 Outlook NTLM leak with phishing delivery, plus Sigma/Wazuh detections mapped to MITRE ATT&CK for the…

Python PoC for CVE-2026-73570, an SMTP command injection in Zimbra. Sends malformed RCPT TO payloads to trigger shell command execution via…

Automated pipeline that resolves Swiss municipality domains, scrapes websites for email addresses, and classifies email providers via MX, SPF, DKIM,…

Self-contained Python PoC for Dovecot SQL authentication bypass: logs in as any user without the real password and enumerates usernames on vulnerable…

Orbis is an full spectrum automated external attack surface intelligent toolkit.