Verify email sender authentication

Validate your SPF record

Your SPF record is used to verify that your mail server is authorized to send email from your domain.

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Validate your DKIM record

Your DKIM record is an email security standart which ensures that messages aren’t altered in transit.

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Validate your DMARC record

Your DMARC record protects your domain from unauthorized use, spoofing and fraud.

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Analyze your email header

An email header provides information about sender and receiver which helps to identify if message is legitimate and safe.

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Created by email marketing experts

MailerTest enables you to easily verify your SPF, DMARC and DKIM records, and analyze email headers, so you can protect your business and domain from email scammers.