diff --git a/mail-server/dovecot.nix b/mail-server/dovecot.nix
index 2780e66..7831b0f 100644
--- a/mail-server/dovecot.nix
+++ b/mail-server/dovecot.nix
@@ -382,9 +382,14 @@ in
             "TLS_CHACHA20_POLY1305_SHA256"
             "TLS_AES_256_GCM_SHA384"
             # TLS1.2
+            # EC key material
             "ECDHE-ECDSA-AES128-GCM-SHA256"
             "ECDHE-ECDSA-CHACHA20-POLY1305"
             "ECDHE-ECDSA-AES256-GCM-SHA384"
+            # RSA key material
+            "ECDHE-RSA-AES128-GCM-SHA256"
+            "ECDHE-RSA-CHACHA20-POLY1305"
+            "ECDHE-RSA-AES256-GCM-SHA384"
           ]
         }
         ssl_curve_list = X25519MLKEM768:X25519:prime256v1:secp384r1