Resources

Learn why SPF, DMARC, DKIM and email headers are important to protect your sender reputation.

spf

SPF record

Prevent spoofing, phishing and spam. Use the tools to check whether your SPF, DMARC, DKIM records are valid.

dmarc

DMARC record

Prevent spoofing, phishing and spam. Use the tools to check whether your SPF, DMARC, DKIM records are valid.

dkim

DKIM record

Prevent spoofing, phishing and spam. Use the tools to check whether your SPF, DMARC, DKIM records are valid.

email_header

Email header analyzer

Prevent spoofing, phishing and spam. Use the tools to check whether your SPF, DMARC, DKIM records are valid.