Mar 25, 2026Last updated
About BugTools
An OSINT-style debugging toolkit for developers and solutions architects. Test raw SMTP connections, authenticate email servers, run full DNS diagnostics (MX, SPF, DKIM, DMARC), check deliverability scores, and keep a history of all your tests. Purpose-built for diagnosing email deliverability and network infrastructure issues.
Problems it solves
- Emails landing in spam with no clear diagnosis
- SMTP server misconfiguration is hard to trace
- DNS health (SPF, DKIM, DMARC) requires multiple tools to check
Alternative to
MXToolboxMail-TesterMailhog
Best for
Categories
Tags
📢
Is your product a competitor?
List your solution on Bubospace and let businesses compare you side by side.
Get listed