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In console: nano etc/postfix/main.cf Add this line: tls_ssl_options = NO_RENEGOTIATION


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Notice the spec also includes comments: Strings of characters enclosed in parentheses are considered comments so long as they do not appear within a "quoted-string", as defined in section 3.2.4. Comments may nest. There are several places in this specification where comments and FWS may be freely inserted. To accommodate that syntax, an ...


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it is as simple as postconf -e "inet_protocols = ipv4" but nothing prevent you from fixing your dns/SPF over ipv6 as it is said in comment. regards.


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Lately I have had exactly the same on my uptodate Ubuntu box. I am sure I had smtpd_sasl_type = dovecot and smtpd_sasl_path = private/auth set. I have the same question as user102362 has: when I read this in my config: # Note that denying root logins is hardcoded to dovecot binary and can't # be done even if first_valid_uid is set to 0. I assume that its ...


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