vod vos:
> master.cf:
>
> smtp inet ... smtpd
> ...
> -o smtp_relay_restrictions=$mua_relay_restrictions
> -o smtp_recipient_restrictions=$mua_recipient_restrictions
> -o smtpd_tls_security_level=encrypt
> -o smtpd_tls_auth_only=yes
> -o smtpd_sasl_auth_enable=yes
>
> But this setting will block the mail from non tls configured server.
Right, so don't do that.
> If smtpd_tls_security_level=may, the port 25 is still could not be forbided.
You can't forbid connections made with "starttls s_client...".
Where do you get the idea from that that is even possible?
Wietse