Forum Discussion
PowerRangers
Cirrostratus
CirrostratusSMTPS Encrypted traffic issues
Hi Team We're currently relaying email to our SMTP cloud server over the internet. Our goal is to ensure the traffic to the cloud relay is encrypted. Right now, the internal servers send traffic in ...
Sravs
Altocumulus
AltocumulusHi
Method1: F5 does not inject STARTTLS negotiation on behalf of the client. The client itself must initiate STARTTLS. But your internal client is speaking plaintext SMTP, and doesn’t trigger STARTTLS.
Method2: This also fails since the client sends plaintext, but the cloud server expects an SSL handshake, causing it to close the connection.
If you want to implement SSL, you need to use both client and server SSL profiles, and the servers must support SSL as well. Are you using iApp ?
