Aug 21 10:22:59 stretch postfix/smtpd[8394]: warning: hostname mail.radio-z.net
does not resolve to address 136.243.54.124
Aug 21 10:22:59 stretch postfix/smtpd[8394]: connect from
unknown[136.243.54.124]
Aug 21 10:22:59 stretch postfix/smtpd[8394]: 18D3F6A40A2B:
client=unknown[136.243.54.124]
The reverse DNS for that host is set (IPv4 and IPv6) and seems to work.
On 21.08.21 11:08, Gerald Galster wrote:
In case you use the standard resolvers provided by your data center,
you could install a local resolver like unbound.
/etc/resolv.conf:
nameserver 127.0.0.1
and you should do this whenever you run spam filter and/or DNS blocklist
--
Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/
Warning: I wish NOT to receive e-mail advertising to this address.
Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
LSD will make your ECS screen display 16.7 million colors
