CEO Mailwarm, email deliverability expert.
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Thami Benjelloun
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Apr 8, 2026
SPF (Sender Policy Framework) is a foundational email authentication method that helps verify whether an email is sent from an authorized source. In this guide, we break down how SPF works, why it matters for email deliverability, and how it fits into the broader authentication system alongside DKIM and DMARC.
Apr 6, 2026
A complete guide to SPF, DKIM and DMARC: what they are, how they work, how to configure them, and how to improve email authentication and inbox placement.
Mar 22, 2026
Learn how to improve email deliverability and reach the inbox instead of spam. This complete guide covers warmup, sender reputation, authentication, and best practices to maximize open rates and conversions.
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