A self-hosted, security-first mail platform — inbound, outbound, and everything DNS-related, run on infrastructure we control end to end. Built and operated by DATCG Communication Solutions.
High Secure Mail is DATCG's own mail platform: mailboxes, transactional sending, and DNS-authenticated delivery running on infrastructure we operate ourselves, rather than a third-party mailbox provider. It currently powers our own internal mail across a small number of affiliated domains, while we finish hardening it for wider use.
This domain, highsecuremail.net, is the operational home of that infrastructure: the mail exchanger, DKIM signing, and the tooling behind it. It is not a marketing product yet — this page exists so the domain identifies itself honestly.
-all) on every sending domain.p=reject) with aggregate reporting.Monitored. Please include headers for any message you're reporting.
For delivery, DNS, or authentication questions from other mail admins.