As an administrator, I would like to confirm if TLS 1.0/1.1 still supported when using the Email Security Service?
TLS 1.0 is supported for Opportunistic TLS on all of the Email Security mail towers.
AES128-SHA
AES256-SHA
CAMELLIA128-SHA
CAMELLIA256-SHA
DHE-RSA-CAMELLIA128-SHA
DHE-RSA-AES128-SHA
ECDHE-RSA-AES128-SHA
DHE-RSA-CAMELLIA256-SHA
DHE-RSA-AES256-SHA
ECDHE-RSA-AES256-SHA
DHE-DSS-CAMELLIA128-SHA
DHE-DSS-AES128-SHA
DHE-DSS-CAMELLIA256-SHA
DHE-DSS-AES256-SHA
ECDHE-ECDSA-AES128-SHA
ECDHE-ECDSA-AES256-SHA
SEED-SHA
DHE-DSS-SEED-SHA
DHE-RSA-SEED-SHA
For full details on supported ciphers. See TLS ciphers supported by Email Security.cloud