PostMaster v2.0

Tools

Free tools to help you analyze email servers, networks, and file transfers. Each tool is designed to solve a specific problem and guide you toward a complete solution.

IP Address Diagnostics

Analyze your IP address, check reverse DNS, measure latency, and test open ports. Useful for troubleshooting connectivity and email delivery issues.

👉 Open IP Tool
Learn more: What is an IP address

IMAP Server Validator

Check if your IMAP server is reachable and correctly configured. Detect DNS, TLS, and connection issues before starting migration.

👉 Open IMAP Validator
Learn more: IMAP guide

Email Analyzer

Upload an original EML file to independently verify DKIM, retrieve the public key from DNS, inspect authentication results, and trace the delivery route.

👉 Open Email Analyzer

FileDrop

Send large files without email size limitations. Upload a file, get a link, and share it instantly.

👉 Open FileDrop
Learn more: Why email has limits

How These Tools Work Together

👉 Start email migration with PostMaster