Our invoice links were valid for seven days and stopped working after an hour

Our business customers receive a monthly email with a link to each invoice, and many of them forward it to their accountants. In June the links started failing. An accountant opening one in the afternoon got an XML error page that said ExpiredToken, The provided token has expired, on a link that had been sent that morning with a seven day expiry. The links are S3 presigned URLs. For years the…

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