Forum Discussion

David_M's avatar
David_M
Icon for Cirrostratus rankCirrostratus
May 25, 2022

Bigip mgmt port using tls 1.0 for smtp connection

Hi, We running 15.1.5.1 We did the smtp config from GUI and used the test button - we usue mgmt port for this config - it keeps using tls 1.0 but our mimecast server supports tls 1.2, how can i mak...
application delivery
smtp
tls
Patrik_Jonsson's avatar
Patrik_Jonsson
Icon for MVP rankMVP
Jul 29, 2022

Hi!
Have you checked the client cipherlist with tcpdump? The client suggests ciphers and the server chooses according to it's cipher priority config. Sadly it would seem like sSMTP 2.64 is used and a quick Google says it only supports TLS 1.0.

Kind regards,
Patrik