Why Email Authentication Matters

Why authentication matters

Deliverability starts with proving you’re a legitimate sender. Meet the holiest of trinities of email authentication: SPF, DKIM, and DMARC.

Together, these three form your credibility passport. ISPs like Google & Microsoft require proper authentication. ISPs basically treat unauthenticated emails like toxic waste. Skipping SPF/DKIM/DMARC is deliverability suicide.

Success Story

True story: one company went from 45% to 94% inbox placement in two weeks just by fixing their DMARC policy from ‘none’ to enforcement.

The lesson: handle your authentication, and you won’t lose leads over an easy DNS fix.

SPF Guide

Your domain’s email bouncer

DKIM Guide

Signing your emails like a boss

DMARC Guide

The ultimate email bodyguard

Continue learning

Explore related Email Authentication articles.

← All Email Authentication guides

Phone Support