I had already tried those steps, but I went through it again, just in case. Here is what I get from the debug page.
Jun 13 12:50:05 uc-37817158 postfix/pickup[25686]: 8F687C1B5D51: uid=995 from=<asterisk>
Jun 13 12:50:05 uc-37817158 postfix/cleanup[25711]: 8F687C1B5D51: message-id=<[email protected]>
Jun 13 12:50:05 uc-37817158 postfix/qmgr[25687]: 8F687C1B5D51: from=<[email protected]>, size=502, nrcpt=1 (queue active)
Jun 13 12:50:07 uc-37817158 postfix/smtp[27212]: 8F687C1B5D51: to=<*******@carolina.rr.com>, relay=smtp.office365.com[40.97.24.34]:587, delay=1.6, delays=0.01/0.04/1.2/0.33, dsn=5.2.0, status=bounced (host smtp.office365.com[40.97.24.34] said: 554 5.2.0 STOREDRV.Submission.Exception:SendAsDeniedException.MapiExceptionSendAsDenied; Failed to process message due to a permanent exception with message Cannot submit message. 16.55847:E20D0000, 17.43559:0000000004020000000000000000000000000000, 20.52176:140FAD870000F01FCB030000, 20.50032:140FAD877017401080030400, 0.35180:D0030000, 255.23226:0A00438A, 255.27962:0A000000, 255.27962:0E000000, 255.31418:1F000130, 16.55847:00010000, 17.43559:00000000E0020000000000000000000000000000, 20.52176:140FAD870000401080030400, 20.50032:140FAD87701710103A000000, 0.35180:03000136, 255.23226:21000000, 255.27962:0A000000, 255.27962:32000000, 255.17082:DC040000, 0.27745:44000000, 4.21921:DC040000, 255.27962:FA000000, 255.1494:49000000, 0.38698:00000000, 0.37692:0F010480, 0.37948:09000100, 5.33852:00000000534D545000000100, 4.56248:DC040000, 7.40748:010000000000010B09000100, 7.57132:000000000000000009000100, 1.63016:32000000, 4.39640:DC040000, 8.45434:12D7678E383E41458440B5993CCBA0C131344D42, 5.10786:0000000031352E32302E313936352E3030303A424E38505231344D42323831383A37333863613031662D386462362D343835632D383662622D38663531666435363663636400383333000000, 255.1750:9D000000, 255.31418:80000000, 0.22753:03000236, 255.21817:DC040000, 4.60547:DC040000, 0.21966:03001736, 4.30158:DC040000 [Hostname=BN8PR14MB2818.namprd14.prod.outlook.com] (in reply to end of DATA command))
Jun 13 12:50:07 uc-37817158 postfix/cleanup[25711]: 3C1B9C1B5D53: message-id=<[email protected]>
Jun 13 12:50:07 uc-37817158 postfix/bounce[27213]: 8F687C1B5D51: sender non-delivery notification: 3C1B9C1B5D53
Jun 13 12:50:07 uc-37817158 postfix/qmgr[25687]: 3C1B9C1B5D53: from=<>, size=5219, nrcpt=1 (queue active)
Jun 13 12:50:07 uc-37817158 postfix/qmgr[25687]: 8F687C1B5D51: removed
Jun 13 12:50:07 uc-37817158 postfix/local[25728]: 3C1B9C1B5D53: to=<[email protected]>, relay=local, delay=0.01, delays=0/0/0/0, dsn=2.0.0, status=sent (delivered to mailbox)
Jun 13 12:50:07 uc-37817158 postfix/qmgr[25687]: 3C1B9C1B5D53: removed