I'm reading about ciphers.

Here

"why use "aNULL:!aNULL:" in Postfix default cipherlists?"
 
http://postfix.1071664.n5.nabble.com/why-use-quot-aNULL-aNULL-quot-in-Postfix-default-cipherlists-td83301.html

It talks about using anonymous ciphers when TLS policy is opportunistic == may.

I get that.

If instead you use MANDATORY tls policy, == encrypt, do you need to redefine 
the cipherlist to REMOVE that "aNull:-aNull"?

Rob

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