Waiting 60 seconds for rule propagation...
Re-testing...

MAIL FROM: 250 2.1.0 Sender OK
RCPT TO: 250 2.1.5 Recipient OK
DATA: 354 Start mail input; end with <CRLF>.<CRLF>
Result: 250 2.6.0 <2570af27-5832-439e-aa44-730b299ac0c5@BL6PEPF0001AB73.namprd02.prod.outlook.com> [InternalId=17815524349603, Hostname=SA3PR02MB10976.namprd02.prod.outlook.com] 9150 bytes in 0.071, 124.794 KB/sec Queued mail for delivery

Still accepted. Check rule configuration.