PulsePigeonemail infrastructure

Migration guide

Migrate from Postmark to PulsePigeon

Use this guide as a cutover checklist. Verify current Postmark export formats before importing, because vendor exports can change.

Run import preflightReview comparisons

Step 1

Export source evidence.

  • server streams
  • templates
  • message streams

Step 2

Import into review.

Run the PulsePigeon import preflight before production traffic moves. Do not send to imported contacts until suppressions and consent topics are reviewed.

Step 3

Dual-write before cutover.

Keep critical transactional mail on the proven route while PulsePigeon gathers delivery evidence and SLO history.

Provider notes

Postmark migration checks

Importer first
CheckKeep critical streams isolated.Confirm in sandbox before production cutover.
CheckValidate template variables in sandbox before cutover.Confirm in sandbox before production cutover.