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.
View on Shopify App StoreFree account. We'll watch this listing every day, tell you what changed, and show you which apps in your category moved past you. No credit card.
Claim A3E Sender Check →Takes under a minute. You can leave anytime.
From our daily crawl of the Shopify App Store. Snapshot of November 13, 2026.
| Category | Position |
|---|---|
| Security - Other | #118 |
Claim your snapshot to start watching your listing, your category and your rivals from your very first day on the store.
Claim A3E Sender Check →