141009 — Sender domain unauthorized
Sender domain unauthorized
141009 is a post-acceptance email failure reason. It appears in send records or send_failed events, not as an HTTP acceptance error.
Meaning
Sender domain unauthorized
What to do
Verify the sender domain and account authorization before a new submission.
Retry guidance
Check the final result by Message ID first. Sending again after fixing the cause is a new business operation; do not automatically retry the accepted request.
Related docs
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