On 18.03.21 18:24, Nerijus Kislauskas wrote:
Hello community,
I have postfix 3.4.13 on Ubuntu 20 LTS. Does
"smtp_tls_note_starttls_offer" setting work?
$ postconf smtp_tls_note_starttls_offer smtp_tls_loglevel
smtp_tls_note_starttls_offer = yes
smtp_tls_loglevel = 1
$ grep -c -i 'tls connection established to' /var/log/mail.log
195
$ grep -c -i offered /var/log/mail.log
0
$
For example it says " Trusted TLS connection established to
gmail-smtp-in.l.google.com[173.194.73.27]:25: TLSv1.3" because of
smtp_tls_loglevel = 1, but does not say anything about offer.
How can it be? Does ubuntu broke postfix?
I guess the option is there to warn of remote servers that have TLS
disabled, but they support TLS.
Since you haven't disabled TLS for google servers, there's nothing to say.
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