📣 Announcing the Postmark Challenge: Inbox Innovators
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Additional SMTP Endpoint IPs Added | Postmark

Additional SMTP Endpoint IPs Added

We have added the following IPs to our SMTP endpoint service. If you send email using SMTP and explicitly whitelist our SMTP endpoint IPs, these will need to be added:

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  • 3.208.98.158
  • 3.93.205.235
  • 3.95.122.1
  • 13.209.189.43
  • 15.164.159.110
  • 52.208.94.138
  • 52.210.34.36
  • 54.77.222.65