Hi,
vielen Dank für die Hilfe!
Die DNS Einstellungen sind:

- die sollten doch so passen.
Welches Logfile wäre denn richtig?
Hier ein Beispiel:
2025-06-11T18:00:26.226390+02:00 pmg postfix/smtpd[128756]: connect from mout.web.de[212.227.15.4]
2025-06-11T18:00:26.314458+02:00 pmg postfix/smtpd[128756]: Anonymous TLS connection established from mout.web.de[212.227.15.4]: TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature RSA-PSS (4096 bits) server-digest SHA256
2025-06-11T18:00:32.743485+02:00 pmg postfix/smtpd[128756]: B567681CFF: client=mout.web.de[212.227.15.4]
2025-06-11T18:00:32.801446+02:00 pmg postfix/cleanup[128757]: B567681CFF: message-id=<trinity-0f957e40-e5dd-4ea0-a1d9-7c267cc788f1-1749657621540@trinity-msg-rest-webde-webde-live-6b9699d497-w6rrt>
2025-06-11T18:00:32.869540+02:00 pmg postfix/qmgr[751]: B567681CFF: from=<
EMAILADRESSE_ENTFERNT@web.de>, size=561239, nrcpt=1 (queue active)
2025-06-11T18:00:32.885639+02:00 pmg postfix/smtpd[128756]: disconnect from mout.web.de[212.227.15.4] ehlo=2 starttls=1 mail=1 rcpt=1 data=1 quit=1 commands=7
2025-06-11T18:00:32.927485+02:00 pmg pmg-smtp-filter[128328]: 81D416849A820DE8C6: new mail message-id=<trinity-0f957e40-e5dd-4ea0-a1d9-7c267cc788f1-1749657621540@trinity-msg-rest-webde-webde-live-6b9699d497-w6rrt>#012
2025-06-11T18:00:43.757491+02:00 pmg pmg-smtp-filter[128328]: 81D416849A820DE8C6: SA score=4/5 time=10.271 bayes=undefined autolearn=no autolearn_force=no hits=DKIM_INVALID(0.1),DKIM_SIGNED(0.1),DMARC_QUAR(0.1),FREEMAIL_FROM(0.001),HTML_MESSAGE(0.001),KAM_DMARC_QUARANTINE(4),KAM_DMARC_STATUS(0.01),MIME_HTML_ONLY(0.1),RCVD_IN_MSPIKE_H3(0.001),RCVD_IN_MSPIKE_WL(0.001),SPF_HELO_NONE(0.001),SPOOFED_FREEMAIL(0.001),T_FREEMAIL_DOC_PDF(0.01),T_SPF_TEMPERROR(0.01)
2025-06-11T18:00:43.766109+02:00 pmg pmg-smtp-filter[128328]: 81D416849A820DE8C6: moved mail for <
EMAILADRESSE_ENTFERNT@alice-salomon-bk.de> to spam quarantine - 81D436849A82BB9666 (rule: Quarantine/Mark Spam (Level 3))
2025-06-11T18:00:43.768230+02:00 pmg pmg-smtp-filter[128328]: 81D416849A820DE8C6: processing time: 10.85 seconds (10.271, 0.551, 0)
2025-06-11T18:00:43.768592+02:00 pmg postfix/lmtp[128758]: B567681CFF: to=<
EMAILADRESSE_ENTFERNT@alice-salomon-bk.de>, relay=127.0.0.1[127.0.0.1]:10024, delay=17, delays=6.5/0/0.04/11, dsn=2.5.0, status=sent (250 2.5.0 OK (81D416849A820DE8C6))
2025-06-11T18:00:43.769031+02:00 pmg postfix/qmgr[751]: B567681CFF: removed