Anders writes:
How would I go about logging TLS/SSL details such as ciphers, key exchange and mac's negotiated with clients or other servers with courier? This would be very useful to create statistics over what minimum security is used by clients etc...
For incoming SMTP, the details get logged in the headers of received mail. It's not logged anywhere directly.
If one's handy with shell scripting, I suppose something can be hacked up, by reporting COURIERTLS to a wrapper, that adds the -statusfd parameter to couriertls, and logs the TLS/SSL negotiation somewhere.
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