[ Free tool · Check ]

Google & Yahoo Sender Check

Pass/fail against the Gmail and Yahoo bulk-sender rules.

Client-side only·Zero data logged·Nothing leaves your browser

[ About this tool ]

This sender check tests your domain against the Gmail and Yahoo bulk sender requirements: SPF, DKIM, DMARC and alignment.

How to read the results

  • ›DMARC p=none is the minimum; enforcement is recommended.
  • ›Complaint rate and one-click unsubscribe are checked in your sending platform.

Frequently asked questions

Am I a bulk sender?

Google defines bulk senders as sending close to 5,000 or more messages a day to Gmail accounts.

Learn more in our guide: Email Deliverability: How to Reach the Inbox, Not Spam

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