SMTP Auth: TLSv1 Mechanism Count AES256-SHA (256/256 bits) 2 ECDHE-RSA-AES256-SHA (256/256 bits) 2 Total 4   SMTP Auth: TLSv1.2 Mechanism Count AECDH-AES256-SHA (256/256 bits) 7 ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits) 2 ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits) 48 Total 57   SMTP Auth: TLSv1.3 Mechanism Count TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256 20 TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature RSA-PSS (2048 bits) server-digest SHA256 5 TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) 92 TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256 59 TLS_CHACHA20_POLY1305_SHA256 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256 1 Total 177