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A named internet address that resolves to an IP address

A domain is a named Internet address that resolves to the numbered Internet Protocol (IP) addresses computers use to connect. Examples:,, Simply put, it's the web address your users type into their browser to learn about your company.

If you are on a Pro 100k or above plan you will have your very own dedicated IP address which we encourage you to set up reverse DNS

SMTP Domain

smtp-domain page anchor

An example of one of the SendGrid domains is our SMTP domain: ``

For more information, please read our Email Infrastructure Guide.(link takes you to an external page)

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