MailSentry. MailSentry is a powerful, lightweight command-line tool and API for checking MX server configurations, DNS records, and email security diagnostics. Inspired by MXToolbox but enhanced with concurrent checks, multiple blacklist providers, and a Flask-based API, MailSentry provides detailed insights into a domain's email infrastructure.

Problem

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Audience

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Market

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Pricing

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.