[pfx] Re: struggling with smtpd_tls_security_level = encrypt - 5.7.0 Must issue a STARTTLS command first

2024-09-08 Thread Geert Hendrickx via Postfix-users
On Sun, Sep 08, 2024 at 19:39:43 +0200, hostmaster--- via Postfix-users wrote: > Interesting approach if i correctly understood what you do: You are running > STARTTLS, basically accepting unencrypted connections but with > "warn_if_reject reject_plaintext_session" you are rejecting unencrypted > s

[pfx] Re: struggling with smtpd_tls_security_level = encrypt - 5.7.0 Must issue a STARTTLS command first

2024-09-08 Thread hostmaster--- via Postfix-users
Interesting approach if i correctly understood what you do: You are running STARTTLS, basically accepting unencrypted connections but with "warn_if_reject reject_plaintext_session" you are rejecting unencrypted sessions once data transfer is about to start? Which is expected to generate the same ou

[pfx] Re: struggling with smtpd_tls_security_level = encrypt - 5.7.0 Must issue a STARTTLS command first

2024-09-08 Thread Geert Hendrickx via Postfix-users
On Mon, Sep 09, 2024 at 00:17:08 +1000, Viktor Dukhovni via Postfix-users wrote: > And of course, I'd negligent to not mention that I don't recommend a hard > requirement of TLS on port 25, you may one day reject some important mail > and not even know it, and if STARTTLS stops working, you may be

[pfx] Re: struggling with smtpd_tls_security_level = encrypt - 5.7.0 Must issue a STARTTLS command first

2024-09-08 Thread hostmaster--- via Postfix-users
On Sun, Sep 08, 2024 at 01:36:39AM +0200, hostmaster--- via Postfix-users wrote: >> >> smtp inet n - - - - smtpd >> -o smtpd_tls_security_level=encrypt >I thought you were using postscreen? The postscreen post came from the LinuxMail.cc guy "hijacking" my

[pfx] Re: struggling with smtpd_tls_security_level = encrypt - 5.7.0 Must issue a STARTTLS command first

2024-09-08 Thread Viktor Dukhovni via Postfix-users
On Sun, Sep 08, 2024 at 01:36:39AM +0200, hostmaster--- via Postfix-users wrote: > > smtp inet n - - - - smtpd > -o smtpd_tls_security_level=encrypt I thought you were using postscreen? This is smtpd(8) listening directly on port 25. For use postscreen, yo