Documentation

Network & Identity

Business Email

Professional mailboxes with correct SPF, DKIM, and DMARC so mail reaches the inbox.

Updated 7/25/2026

Look professional with you@yourbusiness.com — and make sure your email lands in the inbox, not spam.

Who this is for

New businesses moving off personal Gmail.

Teams sending invoices, onboarding, or marketing email.

Anyone who wants trustworthy, branded communication.

How it helps you

Learning: Understand the three records that protect your brand: SPF, DKIM, DMARC.

Business: Branded email builds trust and improves deliverability.

Deployment: Set up mailboxes on Google Workspace, Microsoft 365, or Zoho with the right DNS.

How to use it

1. Choose mailbox names that can survive team growth.

2. Add SPF, DKIM, and DMARC records.

3. Test mail flow from multiple inbox providers.

4. Structure aliases and shared inboxes so nothing is missed.

FAQ

Why do my emails go to spam?

Usually missing or incorrect SPF/DKIM/DMARC — this guide fixes that.

Which provider should I pick?

Google Workspace, Microsoft 365, or Zoho — choose based on the tools your team already uses.

Put this into practice: Open Business Email.

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