Das wären ein paar Maillogs zb.
Aug 24 22:16:27 mailgw postfix/smtpd[74969]: connect from mail2.greenmedialive.ie[85.93.28.236]
Aug 24 22:16:27 mailgw postfix/smtpd[74969]: Anonymous TLS connection established from mail2.greenmedialive.ie[85.93.28.236]: TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256
Aug 24 22:16:27 mailgw postfix/smtpd[74969]: A5CB040275: client=mail2.greenmedialive.ie[85.93.28.236]
Aug 24 22:16:27 mailgw postfix/cleanup[74973]: A5CB040275: message-id=<
3yk53yk53yk5@greenmedialive.ie>
Aug 24 22:16:27 mailgw postfix/qmgr[854]: A5CB040275: from=<
Javarest@greenmedialive.ie>, size=2315, nrcpt=1 (queue active)
Aug 24 22:16:27 mailgw postfix/smtpd[74969]: disconnect from mail2.greenmedialive.ie[85.93.28.236] ehlo=2 starttls=1 mail=1 rcpt=1 data=1 quit=1 commands=7
Aug 24 22:16:27 mailgw pmg-smtp-filter[74669]: 410EE6306871BB55DA: new mail message-id=<
3yk53yk53yk5@greenmedialive.ie>#012
Aug 24 22:16:28 mailgw pmg-smtp-filter[74669]: 410EE6306871BB55DA: SA score=0/5 time=0.740 bayes=undefined autolearn=ham autolearn_force=no hits=DKIM_SIGNED(0.1),DKIM_VALID(-0.1),DKIM_VALID_AU(-0.1),DKIM_VALID_EF(-0.1),HTML_MESSAGE(0.001),MIME_HTML_ONLY(0.1),PDS_NO_FULL_NAME_SPOOFED_URL(0.748),PDS_SHORT_SPOOFED_URL(1.997),RCVD_IN_DNSWL_HI(-5),SPF_HELO_NONE(0.001),SPF_PASS(-0.001),T_SCC_BODY_TEXT_LINE(-0.01),URIBL_BLOCKED(0.001)
Aug 24 22:16:28 mailgw postfix/smtpd[74978]: connect from localhost.localdomain[127.0.0.1]
Aug 24 22:16:28 mailgw postfix/smtpd[74978]: 845234144E: client=localhost.localdomain[127.0.0.1], orig_client=mail2.greenmedialive.ie[85.93.28.236]
Aug 24 22:16:28 mailgw postfix/cleanup[74973]: 845234144E: message-id=<
3yk53yk53yk5@greenmedialive.ie>
Aug 24 22:16:28 mailgw postfix/qmgr[854]: 845234144E: from=<
Javarest@greenmedialive.ie>, size=3702, nrcpt=1 (queue active)
Aug 24 22:16:28 mailgw pmg-smtp-filter[74669]: 410EE6306871BB55DA: accept mail to <
kunde@domain.at> (845234144E) (rule: default-accept)
Aug 24 22:16:28 mailgw postfix/smtpd[74978]: disconnect from localhost.localdomain[127.0.0.1] ehlo=1 xforward=1 mail=1 rcpt=1 data=1 commands=5
Aug 24 22:16:28 mailgw pmg-smtp-filter[74669]: 410EE6306871BB55DA: processing time: 0.802 seconds (0.74, 0.032, 0)
Aug 24 22:16:28 mailgw postfix/lmtp[74974]: A5CB040275: to=<
kunde@domain.at>, relay=127.0.0.1[127.0.0.1]:10024, delay=1.1, delays=0.27/0.02/0/0.81, dsn=2.5.0, status=sent (250 2.5.0 OK (410EE6306871BB55DA))
Aug 24 22:16:28 mailgw postfix/qmgr[854]: A5CB040275: removed
Aug 24 22:16:28 mailgw postfix/smtp[74979]: Untrusted TLS connection established to DestinationIP[DestinationIP]:25: TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)
Aug 24 22:16:28 mailgw postfix/smtp[74979]: 845234144E: to=<
kunde@domain.at>, relay=DestinationIP[DestinationIP]:25, delay=0.27, delays=0/0.03/0.09/0.16, dsn=2.6.0, status=sent (250 2.6.0 <
3yk53yk53yk5@greenmedialive.ie> [InternalId=201927887421442, Hostname=ExchangeLocal.local] 5071 bytes in 0.127, 38,905 KB/sec Queued mail for delivery)
Aug 24 22:16:28 mailgw postfix/qmgr[854]: 845234144E: removed
Aug 24 15:40:48 mailgw postfix/smtpd[70227]: connect from mail14.investinafrica.nl[212.192.216.247]
Aug 24 15:40:48 mailgw postfix/smtpd[70227]: Anonymous TLS connection established from mail14.investinafrica.nl[212.192.216.247]: TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256
Aug 24 15:40:48 mailgw postfix/smtpd[70227]: 82D1F41322: client=mail14.investinafrica.nl[212.192.216.247]
Aug 24 15:40:48 mailgw postfix/cleanup[70163]: 82D1F41322: message-id=<
l4ekECO3UQQIzG1yl4ekECO3UQQIzG1yl4ekECO3UQQIzG1y@investinafrica.nl>
Aug 24 15:40:48 mailgw postfix/qmgr[854]: 82D1F41322: from=<
Mariselvm@investinafrica.nl>, size=2396, nrcpt=1 (queue active)
Aug 24 15:40:48 mailgw pmg-smtp-filter[69959]: 414F863062A608DF23: new mail message-id=<
l4ekECO3UQQIzG1yl4ekECO3UQQIzG1yl4ekECO3UQQIzG1y@investinafrica.nl>#012
Aug 24 15:40:49 mailgw postfix/smtpd[70227]: disconnect from mail14.investinafrica.nl[212.192.216.247] ehlo=2 starttls=1 mail=1 rcpt=1 data=1 quit=1 commands=7
Aug 24 15:40:49 mailgw pmg-smtp-filter[69959]: 414F863062A608DF23: SA score=1/5 time=1.106 bayes=undefined autolearn=no autolearn_force=no hits=DKIM_SIGNED(0.1),DKIM_VALID(-0.1),DKIM_VALID_AU(-0.1),DKIM_VALID_EF(-0.1),HTML_MESSAGE(0.001),MIME_HTML_ONLY(0.1),PDS_SHORT_SPOOFED_URL(1.997),RAZOR2_CF_RANGE_51_100(2.43),RAZOR2_CHECK(1.729),RCVD_IN_DNSWL_HI(-5),SPF_HELO_NONE(0.001),SPF_PASS(-0.001),T_SCC_BODY_TEXT_LINE(-0.01),URIBL_BLOCKED(0.001)
Aug 24 15:40:49 mailgw postfix/smtpd[70169]: connect from localhost.localdomain[127.0.0.1]
Aug 24 15:40:49 mailgw postfix/smtpd[70169]: B141441516: client=localhost.localdomain[127.0.0.1], orig_client=mail14.investinafrica.nl[212.192.216.247]
Aug 24 15:40:49 mailgw postfix/cleanup[70163]: B141441516: message-id=<
l4ekECO3UQQIzG1yl4ekECO3UQQIzG1yl4ekECO3UQQIzG1y@investinafrica.nl>
Aug 24 15:40:49 mailgw postfix/qmgr[854]: B141441516: from=<
Mariselvm@investinafrica.nl>, size=3829, nrcpt=1 (queue active)
Aug 24 15:40:49 mailgw postfix/smtpd[70169]: disconnect from localhost.localdomain[127.0.0.1] ehlo=1 xforward=1 mail=1 rcpt=1 data=1 commands=5
Aug 24 15:40:49 mailgw pmg-smtp-filter[69959]: 414F863062A608DF23: accept mail to <
Kunde@domain.at> (B141441516) (rule: default-accept)
Aug 24 15:40:49 mailgw pmg-smtp-filter[69959]: 414F863062A608DF23: processing time: 1.148 seconds (1.106, 0.024, 0)
Aug 24 15:40:49 mailgw postfix/lmtp[70165]: 82D1F41322: to=<
Kunde@domain.at>, relay=127.0.0.1[127.0.0.1]:10024, delay=1.3, delays=0.11/0/0/1.2, dsn=2.5.0, status=sent (250 2.5.0 OK (414F863062A608DF23))
Aug 24 15:40:49 mailgw postfix/qmgr[854]: 82D1F41322: removed
Aug 24 15:40:49 mailgw postfix/smtp[70170]: Untrusted TLS connection established to DestinationIP[DestinationIP]:25: TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)
Aug 24 15:40:50 mailgw postfix/smtp[70170]: B141441516: to=<
Kunde@domain.at>, relay=DestinationIP[DestinationIP]:25, delay=0.28, delays=0/0/0.08/0.19, dsn=2.6.0, status=sent (250 2.6.0 <
l4ekECO3UQQIzG1yl4ekECO3UQQIzG1yl4ekECO3UQQIzG1y@investinafrica.nl> [InternalId=201897822650378, Hostname=ExchangeLocal.local] 5199 bytes in 0.154, 32,916 KB/sec Queued mail for delivery)
Aug 24 15:40:50 mailgw postfix/qmgr[854]: B141441516: removed