Wietse Venema: > Maurizio Caloro: >> > Oct 2 15:54:27 nmail postfix/smtp[30568]: warning: >> > smtp_tls_policy_maps, next-hop destination "gmail.com": invalid attribute name: "servername" >> >> Attribute name 'servername' requires Postfix 3.4 or later. >> >>'servername' is used for SNI. It ensures that the remote SMTP server will send Postfix a TLS certificate for the recipient's domain. >>Depending on the destination SNI may not be needed; if you send to u...@gmail.com, then the default server certificate should work. >>If you send to a customer domain hosted at Google, then SNI may be necessary. >> >> Wietse
Ok, thanks now i see the servername mistake, my debian run with postfix, mail_version = 3.1.15 And i'am using option " smtp_tls_security_level = may", i was thinking to add now mta.sts but i need now more read., to go forrward... :-/
