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Tag: MAIL FROM

Null sender address

A question came up on the email geeks slack channel about empty from addresses. I asked if they meant the 5321 or 5322 from address which prompted a question about if you could even have a null 5321 from. Yes, you can and it’s commonly used for some types of email. 5321.from is the bounce […]

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What is the Mail From field?

When emails are sent, there are two from fields, the Mail From and the Display From address.  The Display From address (technically referred to as RFC.5322 from address) is the from address that is displayed to the end user within their email client.  The Mail From (technically referred to as RFC.5321 from address) is the […]

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