https://github.com/ziembor/gomailtesttool

Portable CLI for testing email infrastructure: SMTP, IMAP, POP3, JMAP, and Microsoft EWS or Graph (Exchange Online). Single binary, no runtime dependencies, cross-platform (Windows, Linux, macOS).

ews-client graph graphapi-client imap-client jmap-client pop3-client smtp-client testing-tools

Last synced: 28 Apr 2026