gomailtesttool

Explore this developer service’s ongoing no-cost allowance, restrictions and official documentation before deploying.

INCLUDED FREE ALLOWANCEMIT-licensed local command-line toolkit for testing SMTP, IMAP, POP3, JMAP, Exchange EWS, Microsoft Graph and Gmail connectivity, authentication, mail operations and TLS; no software subscription, usage quota or expiry.

View official documentation

Plan details

What do these plan and deployment labels mean?

Plan: Ongoing free allowance
Deployment model: Local / embedded
Credit card: Not required
Commercial use: Allowed
Added to directory (UTC): 2026-11-05
Last checked: 2026-11-05

Important restrictions

Runs on the user's Windows, Linux or macOS machine; not a hosted email service, inbox or free email sending allowance. Real mail accounts, Microsoft 365/Google Workspace access, credentials, network connectivity and provider API limits or fees remain separate. Some commands can send, export or delete real messages.

View official documentation

Independent community listing, not affiliated with the provider. Always check the latest billing policy and quotas before enabling paid usage.