Matt Van Mater: > However, my main point of confusion was surrounding the use of > "smtp_tls_security_level", where I believe the documentation says the > default for this setting is 'none'.
As documented in TLS_README and other places, the default is "no TLS" for both server and client, and I do not expect that to change. Sites that want to use TLS will have to configure it (with "may", typically). Wietse