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Workflow run logs, deduplication, and send fixes

Email

Added

Section titled “Added”
  • Workflow run logs in the Dashboard. Go to Logs > System and filter Source to Workflows to follow each workflow run: its trigger, any skip and the reason, each send or failure, and the final sent and failed counts. Workflow create, update, and delete requests appear in Logs > API. See Where can I see what a workflow did?

Changed

Section titled “Changed”
  • Workflows with a from email must use an application-level template. Create and update requests that pair from.email with a grant-level template now return 400 instead of saving a workflow whose every send fails. See Where does a workflow send from?

Fixed

Section titled “Fixed”
  • Provider rate limits on send. When a mail provider throttles a send, the API now returns 429 immediately, with the provider’s Retry-After header when the provider gives one. See handle rate limit errors.
  • IMAP drafts. Drafts created or updated on an IMAP grant now use the same MIME format as sent messages. This fixes drafts that some clients, such as Outlook desktop, couldn’t open.
  • IMAP send throttling. When an IMAP account’s SMTP server responds with 421 too many commands, the API now returns 429 Too Many Requests instead of 504 Gateway Timeout.