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Do I have to set up DKIM, SPF and DMARC?

Using WarmerlyFrequently asked questions

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One of the frequently asked questions.

Yes, for anything you intend to send at scale. They are the difference between delivered

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How many mailboxes do I need?Work back from volume: mailboxes x daily limit (30/day by default).Can I use a shared or alias mailbox?Yes, with the SMTP/IMAP username set to that mailbox's own address, provided the signed-inWhat is a placement test?A probe that sends real email from your mailbox to test mailboxes and reports inbox vs