Guides
Email authentication guides
Practical steps for small-business owners whose emails or invoices land in spam, plus guides to setting up your domain's email authentication.
Start with the problem you are seeing or your email platform, then learn how to use DMARC reports to decide whether a stricter policy is appropriate. You or your IT person make the changes in your own accounts.
Business emails going to spam
Why are my business emails going to spam? (Google Workspace and Microsoft 365)
Find out why clients are not getting your emails, check authentication, and investigate content, reputation and recipient filters.
Invoices going to spam
Why are my invoices going to customers' spam? (Square, QuickBooks, Invoice Ninja and other billing tools)
Check the actual sending domain, authenticate mail sent as your business, or use your billing tool's own sending domain where supported.
Google Workspace
Set up SPF, DKIM and DMARC for Google Workspace
Review your senders, publish one SPF record, generate and enable Google's DKIM key, then start DMARC reporting and test a message.
Microsoft 365
Set up SPF, DKIM and DMARC for Microsoft 365
Review SPF, copy both generated DKIM CNAME targets, enable signing in Defender, and verify your custom domain's authentication.
DMARC policy
What DMARC p=none means, and when to move to quarantine/reject
Understand monitoring mode, reporting and alignment, and the evidence to check before asking receivers to enforce a stricter policy.
Want a hand with the setup?
Start with the free domain checker, or have Neatmend guide your Email Authentication Setup for $149 flat. You or your IT person apply the changes; we prepare the records, verify them, and provide a 30-day report.