For Founders and small SaaS

Deliverability

Authentication, reputation and staying out of spam.

In this section
September 24, 2026SPF, DKIM and DMARC explained for foundersWhat the three email authentication records actually check, why a sending tool asks for all of them, and the order to set them up in without breaking the mail you already send.
Also in Lifecycle email
Lifecycle email basicsEmail sequencesTransactional email

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