Dovecot.io is an open-source, IP-aware mail configuration and deliverability diagnostic platform built with **Flask 3.x**. It provides instant DNS, TLS, and reputation checks for any mail domain, automatically localized for global users (English/Chinese).
TLS Check is an API that inspects the TLS/SSL configuration of a server identified by its IP address. It reports supported protocols, cipher suites, and potential vulnerabilities.
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