Inbound relay
SendGrid MX records
SendGrid is an inbound relay. Type any domain below to see if its email runs through SendGrid.
Provider profile
SendGrid
SendGrid MX records end in .sendgrid.net. SendGrid 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
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.sendgrid.net
Other inbound relays
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