Steve Matzura via Postfix-users:
>
> On 9/29/2024 8:11 PM, Viktor Dukhovni via Postfix-users wrote:
> > On Sun, Sep 29, 2024 at 05:38:16PM -0400, Steve Matzura via Postfix-users
> > wrote:
> >
> >> 2024-09-29T21:31:27.402601+00:00 tgv24 postfix/error[1775]: B9E5510584F:
> >> to=<tgvpad...@theglobalvoice.info>, orig_to=<tgvpadmin>, relay=none,
> >> delay=48744, delays=48594/150/0/0.01, dsn=4.4.1, status=deferred (delivery
> >> temporarily suspended: connect to fb.mail.gandi.net[217.70.178.216]:25:
> >> Connection timed out)
> > You're still too parsimonious with your choice of logs to report,
>
>
> No, I just don't know *what* to report. Concerned about reporting the
> wrong thing or too much, I posted what I know, which I know isn't much.
> Tell me what to show you, and I'm happy to oblige.
>
>
> > the MX records for the domain include:
> >
> > theglobalvoice.info. IN MX 10 spool.mail.gandi.net.
> > theglobalvoice.info. IN MX 50 fb.mail.gandi.net.
> >
> > What happened with the initial delivery attempt via
> > spool.mail.gandi.net. The eventual failure to connect to the fallback
> > MX should be a secondary issue.
> >
> > $ posttls-finger -c -Lsummary -lmay theglobalvoice.info
> > posttls-finger: Untrusted TLS connection established to
> > spool.mail.gandi.net[217.70.178.1]:25: TLSv1.2 with cipher
> > ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)
> >
> > Though I appear to have no issues connecting to that MX host.
>
> When I do it, I get:
>
>
> posttls-finger: warning: DNSSEC validation may be unavailable
> posttls-finger: warning: reason: dnssec_probe 'ns:.' received a response
> that is not DNSSEC validated
This is no the most important problem. The most important problem is:
> posttls-finger: Failed to establish session to theglobalvoice.info via
> spool.mail.gandi.net:0: connect to
> spool.mail.gandi.net[217.70.178.1]:25: Connection timed out
> posttls-finger: Failed to establish session to theglobalvoice.info via
> spool.mail.gandi.net:0: connect to
> spool.mail.gandi.net[2001:4b98:e00::1]:25: Connection timed out
> posttls-finger: Failed to establish session to theglobalvoice.info via
> fb.mail.gandi.net:0: connect to
> fb.mail.gandi.net[2001:4b98:dc4:8::217]:25: Connection timed out
That is most important problem. Your system can't connect to remote
port 25.
Wietse
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