// how to fix
How to fix email problems
Your test or scan found a problem? Find the matching guide below: what it means, why it matters, and how to fix it step by step.
DNS 33
DMARC 28
SPF 28
DKIM 26
Reputation 24
Bounce 16
Security 16
Blacklist 13
Gmail 13
Content 12
Mailing list 11
Spam score 10
Headers 9
Reverse DNS 7
Mail server 4
Microsoft 365 4
MX 4
Outlook 4
TLS 2
Apple 1
BIMI 1
E-commerce 1
Google Workspace 1
WordPress 1
Yahoo 1
Zoho 1
4 guides · tag MX
| Problem | In short | Tags | |
|---|---|---|---|
| No MX record on your domain | MX records tell the world where to deliver email for your domain. Without them, you cannot receive replies, and some receivers distrust your emails. | Fix it | |
| Protect your incoming mail with MTA-STS and TLS-RPT | MTA-STS forces other servers to use encryption when they deliver email to your domain. TLS-RPT sends you reports when that fails. Both are optional but recommended. | Fix it | |
| Email records lost after moving your domain or DNS host | You moved your domain, website or DNS to a new company and email stopped working. Often the email records were simply not copied. Here is how to restore them. | Fix it | |
| Protect domains that never send email | Spare domains, old brand names and parked domains can be used by scammers to send fake emails. Three small DNS records tell the world they never send email. | Fix it |
Not sure what is wrong?
Send a test email or scan your domain: the report tells you which problem you have.