Inbound relay

SparkPost MX records

SparkPost is an inbound relay. Type any domain below to see if its email runs through SparkPost.

Provider profile

SparkPost

Inbound relay

SparkPost MX records end in .sparkpostmail.com. SparkPost is an inbound relay.

What is an inbound relay?

An inbound relay accepts mail over SMTP and hands it off to an application via API or webhook. There is no human inbox at the other end.

MX hostname patterns

  • ·  .sparkpostmail.com

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