A. Schulze via mailop wrote:
the smtp client at mx.mailop.org provide a certificate when connection to my MX, the smtp client at list.sys4.de (operating the postfix-list) does not use a ccert.
Cannot confirm that. One of the last messages in postfix-user contained the following header: [...] Received: from list.sys4.de (list.sys4.de [188.68.34.52]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384) server-digest SHA384) (No client certificate requested) [...] Regards Aban -- Aban Dokht aban.do...@abando.de ------------------------------------------------------------------ _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop