* Randy Bush via Postfix-users <postfix-users@postfix.org> [241120 23:52]:
> Debian 12
> mail_version = 3.7.11
> unbound
>
> note third line "hostname mon1.rg.met does not resolve to address
> 2001:418:1::35:"
>
> 2024-11-20T18:41:31.875723+00:00 m0 postfix/postscreen[24315]: CONNECT
> from [2001:418:1::35]:51410 to [2001:418:3807::22]:25
> 2024-11-20T18:41:31.875965+00:00 m0 postfix/postscreen[24315]:
> ALLOWLISTED [2001:418:1::35]:51410
> 2024-11-20T18:41:31.982134+00:00 m0 postfix/smtpd[24330]: warning:
> hostname mon1.rg.met does not resolve to address 2001:418:1::35: Name or
> service not known
^ n?
Is this just a typo in your helo configuration?
...Marvin
> 2024-11-20T18:41:31.982270+00:00 m0 postfix/smtpd[24330]: connect from
> unknown[2001:418:1::35]
> 2024-11-20T18:41:32.329916+00:00 m0 postfix/smtpd[24330]: 5082FFF84F:
> client=unknown[2001:418:1::35]
> 2024-11-20T18:41:32.388129+00:00 m0 postfix/cleanup[24333]: 5082FFF84F:
> message-id=<20241120184131.a8b6460...@mon1.rg.net>
> 2024-11-20T18:41:33.388560+00:00 m0 postfix/qmgr[24282]: 5082FFF84F:
> from=<ran...@mon1.rg.net>, size=7360, nrcpt=1 (queue active)
> 2024-11-20T18:41:33.388900+00:00 m0 postfix/smtpd[24330]: disconnect from
> unknown[2001:418:1::35] ehlo=2 starttls=1 mail=1 rcpt=1 data=1 quit=1
> commands=7
> 2024-11-20T18:41:33.703847+00:00 m0 postfix/smtp[24334]: 5082FFF84F:
> to=<ra...@ran.psg.com>, orig_to=<ra...@psg.com>,
> relay=ran.psg.com[2001:418:3807::18]:25, delay=1.4, delays=1.1/0/0.08/0.24,
> dsn=2.0.0, status=sent (250 OK id=1tDpdt-000ELn-F1)
> 2024-11-20T18:41:33.704620+00:00 m0 postfix/qmgr[24282]: 5082FFF84F:
> removed
>
> yet
>
> m0.rg.net:/etc/rspamd# host mon1.rg.net
> mon1.rg.net has address 147.28.0.35
> mon1.rg.net has IPv6 address 2001:418:1::35
> m0.rg.net:/etc/rspamd# host 2001:418:1::35
> 5.3.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.0.0.0.8.1.4.0.1.0.0.2.ip6.arpa
> domain name pointer mon1.rg.met.
>
> randy
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