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Email Authentication & Domain Setup Overview

An overview of why DKIM, SPF, DMARC, and DNS configuration matter for email deliverability, with setup guide links for both Microsoft 365 and Google Workspace.

Written by Evette

To ensure your email campaigns reach inboxes effectively, it’s crucial to set up your domain properly with key authentication protocols. Here’s why each step is important:

DKIM (DomainKeys Identified Mail)

DKIM verifies that your emails are genuinely from your domain, preventing email spoofing. Proper DKIM setup enhances your domain’s reputation, significantly increasing email deliverability.

SPF (Sender Policy Framework)

SPF helps confirm that your emails originate from approved servers. A correctly configured SPF record reduces the risk of emails being marked as spam or phishing.

DMARC (Domain-based Message Authentication, Reporting & Conformance)

DMARC protects your domain from unauthorized use and provides insights into your email authentication results. DMARC alignment improves trust, reduces spam flags, and enhances overall campaign performance.

DNS Configuration

Proper DNS records ensure emails are correctly routed and recognized by receiving servers. Incorrect DNS configurations can severely limit your deliverability.

Setup Guides

Setup guides depend on your email provider:

Microsoft 365 (Outlook)

Google Workspace (Gmail)

Following these guidelines will maximize the success and reliability of your email campaigns.

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