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 # Chatmail servers for secure instant messaging 
 
-Chatmail servers are minimal secure e-mail routing machines designed for:
+Chatmail servers are minimal interoperable e-mail routing machines designed for:
 
-- Convenience: Instant onboarding with Google/Apple/Huawei push notifications
+- Convenience: Instant onboarding, with optional Google/Apple/Huawei push notifications
 
 - Privacy: Just login, no questions asked, no name, numbers or e-mail needed
 
 - Speed: End-to-End Message delivery in well under a second
 
-- Security: Strict TLS, DKIM and OpenPGP encryption is enforced. 
+- Security: Strict TLS, DKIM and OpenPGP with metadata-minimization enforced. 
 
-- Fun: No annoying spam-checking, IP reputation or rate limits
+- Relaxation: No annoying spam-checking, IP reputation or rate limits
+
+- Efficiency: messages are only stored for transit and removed automatically. 
 
 This repository contains everything needed to setup a ready-to-use chatmail server
 comprised of a minimal setup of the battle-tested