docs(README.md): Clarify security enforcement (#1011 )

Make it clear which security enforcement properties a chatmail server has
2026-06-17 17:11:09 +00:00 · 2026-06-17 12:38:37 +02:00
1 changed files with 6 additions and 1 deletions
@@ -8,7 +8,12 @@ Chatmail relay servers are interoperable Mail Transport Agents (MTAs) designed f
 -  **Instant/Realtime:** sub-second message delivery, realtime P2P
   streaming, privacy-preserving Push Notifications for Apple, Google, and Huawei;
-  **Security Enforcement**: only strict TLS, DKIM and OpenPGP with minimized metadata accepted
+-  **Security Enforcement**: Only connections with strict TLS are accepted;
   all messages must be correctly signed with DKIM and OpenPGP-encrypted with minimized metadata.
   There are experimental exceptions for no-DNS relays,
   which are allowed use self-signed TLS certificates
   and which do not need to DKIM-sign their messages.
   Unencrypted messages are allowed in neither case.
 -  **Reliable Federation and Decentralization:** No spam or IP reputation checks, federating
   depends on established IETF standards and protocols.