Hier mal ein Beispiel:
Jul 26 00:00:10 mg pmgpolicy[784]: Received a SIG HUP
Jul 26 00:00:10 mg pmgpolicy[784]: 2021/07/26-00:00:10 Server closing!
Jul 26 00:00:10 mg pmgpolicy[784]: 2021/07/26-00:00:10 Re-exec server during HUP
Jul 26 00:00:11 mg pmgpolicy[784]: WARNING: Pid_file created by this same process. Doing nothing.
Jul 26 00:00:11 mg pmgpolicy[784]: WARNING: Pid_file created by this same process. Doing nothing.
Jul 26 00:00:11 mg pmgpolicy[784]: 2021/07/26-00:00:11 main (type Net::Server:
reForkSimple) starting! pid(784)
Jul 26 00:00:11 mg pmgpolicy[784]: Binding open file descriptors
Jul 26 00:00:11 mg pmgpolicy[784]: Binding to TCP port 10022 on host 127.0.0.1 with IPv4
Jul 26 00:00:11 mg pmgpolicy[784]: Reassociating file descriptor 8 with TCP on [127.0.0.1]:10022, using IPv4
Jul 26 00:00:11 mg pmgpolicy[784]: Group Not Defined. Defaulting to EGID '0'
Jul 26 00:00:11 mg pmgpolicy[784]: User Not Defined. Defaulting to EUID '0'
Jul 26 00:00:11 mg pmgpolicy[784]: Setting up serialization via flock
Jul 26 00:00:11 mg pmgpolicy[784]: Policy daemon (re)started
Jul 26 00:00:11 mg pmgpolicy[784]: Beginning prefork (5 processes)
Jul 26 00:00:11 mg pmgpolicy[784]: Starting "5" children
Jul 26 00:00:12 mg pmg-smtp-filter[8515]: starting database maintenance
Jul 26 00:00:12 mg pmg-smtp-filter[8515]: end database maintenance (5 ms)
Jul 26 00:01:10 mg postfix/smtpd[15427]: connect from localhost.localdomain[127.0.0.1]
Jul 26 00:01:10 mg postfix/smtpd[15427]: 7D2BE81323: client=localhost.localdomain[127.0.0.1]
Jul 26 00:01:10 mg postfix/cleanup[15429]: 7D2BE81323:
message-id=<20210725220110.7D2BE81323@mg.xx-xxx.de>
Jul 26 00:01:10 mg postfix/qmgr[7396]: 7D2BE81323: from=<>, size=3753, nrcpt=1 (queue active)
Jul 26 00:01:10 mg postfix/smtpd[15427]: disconnect from localhost.localdomain[127.0.0.1] ehlo=1 mail=1 rcpt=1 data=1 commands=4
Jul 26 00:01:14 mg postfix/smtp[15430]: Trusted TLS connection established to xx.xxx.176.66[xx.xxx.176.66]:25: TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA>
Jul 26 00:01:14 mg postfix/smtp[15430]: 7D2BE81323: to=<
admin@xx-xxx.de>, relay=xx.xxx.176.66[xx.xxx.176.66]:25, delay=4.2, delays=0.06/0.02/3.5/0.61, dsn=5.7.1, status=bounced (host xx.xxx.176.66[xx.xxx.176.6>
Jul 26 00:01:14 mg postfix/qmgr[7396]: 7D2BE81323: removed
Jul 26 00:02:12 mg pmg-smtp-filter[8515]: starting database maintenance
Jul 26 00:02:12 mg pmg-smtp-filter[8515]: end database maintenance (5 ms)
Jul 26 00:02:21 mg pmgpolicy[784]: starting policy database maintenance (greylist, rbl)
Jul 26 00:02:21 mg pmgpolicy[784]: end policy database maintenance (8 ms, 1 ms)
Jul 26 00:04:13 mg pmg-smtp-filter[8515]: starting database maintenance
Jul 26 00:04:13 mg pmg-smtp-filter[8515]: end database maintenance (5 ms)
Jul 26 00:04:31 mg pmgpolicy[784]: starting policy database maintenance (greylist, rbl)
Jul 26 00:04:31 mg pmgpolicy[784]: end policy database maintenance (7 ms, 1 ms)
Jul 26 00:05:27 mg postfix/smtpd[15479]: connect from localhost.localdomain[127.0.0.1]
Jul 26 00:05:27 mg postfix/smtpd[15479]: 5BA3A8183E: client=localhost.localdomain[127.0.0.1]
Jul 26 00:05:27 mg postfix/cleanup[15481]: 5BA3A8183E: message-id=<
20210725220527.5BA3A8183E@mg.xx-xxx.de>
Das kommt mir ein bischen komisch vor mg.xx-xxx.de ist der MX Eintrag bzw. die FQDN vom Proxmox Mail Gateway. Eine Email Domain mit mg.xx-xxx.de gibt es nicht.
Grüße
Rafael