TLS

Sendmail with TLS and CA signed CERT

Iam having a sendmail server 8.13 and i want to use tls i have a CA Signed cert (root,interca and mail.cer) certificates, how can i use this to implement tls

Why do these SMTP connectors bleed into each other so much?!

I have a server with three virtual servers and five SMTP connectors. The virtual servers have their own IPS, and the connectors are theoretically one-way connects out of the DMZ SMTP gateway these are all on. It seems IMPOSSIBLE to isolate these things. Even when you send to an IP address, and if...