You're getting connection refused on the lmtp connection at delivery:
Jan 4 17:25:29 curley postfix/lmtp: A7E5626C257: to=, relay=none, delay=0, status=deferred (connect to quirkservice.com[184.108.40.206]: Connection refused)
So - either 141..... is the wrong IP, or port 7025 is blocked.
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