On 18/06/2025 22:33, Nick Tait via Postfix-users wrote:
Prior to making the configuration change, the response to the STARTTLS was "454 4.7.0 TLS not available due to local problem", and the SMTP session remained operational, meaning if the client then sent another command (e.g. QUIT), it was processed as expected. However after setting "postscreen_tls_security_level = none", when I now send a STARTTLS, I get a "502 5.5.1 Error: command not implemented", and then Postscreen stops responding to any subsequent commands. Am I correct in thinking that this isn't the expected behaviour?
Sorry I realised that I worded that poorly. Let me describe the last bit again:
After setting "postscreen_tls_security_level = none", when I now send a STARTTLS, I get a "502 5.5.1 Error: command not implemented", and then /the SMTP session/ stops responding to any subsequent commands, /until the client disconnects or the postscreen_command_time_limit is reached/. /(Postscreen itself remains operational for processing other connections.)/
Thanks, Nick.
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