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smtp-mail

SMTP servers and libraries like smtplib are used for email communication and development. Tools like smtp4dev help test email functionality, while SMTP checkers ensure proper relay configurations on ...
GitHub

A local email sandbox that acts as both a Resend API mock and an SMTP server, with a modern web UI for inspecting captured emails.

The Resend API Mock only implements the POST /emails endpoint (resend.emails.send). Other Resend API endpoints are not supported.