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Inspect Email Headers — Verify Reply-To routing and authentication setup. Check Headers →

What is the “Reply-To” header?

The Reply To header tells the recipient's mail client where replies should go. If it is present. The reply will go there instead of to the address in From.

It is the note inside the letter that says send your answer to the lighthouse office. This is how brands send from a no reply style address but still collect customer replies in a shared support inbox.

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