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A3E Sender Check logo

A3E Sender Check

Free plan

Check your store's email authentication in one click. A3E Sender Check grades SPF, DKIM and DMARC and shows the exact DNS records to add, with daily re-checks.

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| Launched Sep 2026
Sender Check report: grade, SPF, DKIM and DMARC findingsOverview: grade B report with the DNS record to addSettings: sending domain, DKIM selectors, alertsHistory: every check with the latest reportSender Check report: grade, SPF, DKIM and DMARC findingsOverview: grade B report with the DNS record to add

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