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Articles tagged with #email
Mailgun signs event webhooks and inbound Route posts with the same key. Check one and not the other, and a public URL writes whatever anyone sends into your sheet.
addforce re-subscribes people who left, addnoforce forgets them after a list cleanup, and the list never guards the Send API. The sheet has to keep the record.
A SENT column stops reruns, not overlapping runs, and Mailjet's MessageID does not survive JSON.parse. A lock, a flush and a CustomID fix both.
