DMARC for E-commerce & Retail

Your receipts and promos are revenue. Don't let them land in spam.

Order confirmations, dispatch notifications, password resets, abandoned-cart nudges and campaign blasts all leave your domain in high volume — which puts you squarely inside Google, Yahoo and Microsoft's bulk-sender rules. Without DMARC enforcement, that mail gets junked or rejected at exactly the moment a sale depends on it, and anyone can spoof your brand to your customers. Blankitt gets your domain to safe enforcement without breaking a single legitimate sender.

No account required for the free domain check. UK-built and UK-supported.

The risk for online retail is specific

Retail email is unusually exposed because it mixes two demanding workloads. Your transactional stream — order confirmations, shipping and delivery updates, returns labels, account and password emails — has to arrive, every time, or the customer phones support or disputes the charge. Your marketing stream — launches, promotions, win-back, loyalty — drives revenue and runs at high volume across one or more ESPs. Both depend on mailbox providers trusting your domain.

Since Gmail moved to permanent rejection of non-compliant bulk mail in November 2025 and Outlook began hard-rejecting high-volume senders, a domain without a DMARC policy isn't merely flagged — its mail is held back or bounced. For a store, that is a direct hit to conversion and to the customer trust that survives on a parcel arriving when the email said it would. On top of that, your brand is a phishing target: fraudsters send fake dispatch and refund emails as you, and every one that lands chips away at how much your real mail is trusted.

First, find everyone sending as you

Most retailers underestimate how many systems send mail with their domain. Blankitt ingests your aggregate DMARC reports and automatically identifies the vendor behind each sending source, so you build a complete, accurate list before you tighten anything. Typical sources we surface for an online store:

  • Shopify / Shopify Email
  • Klaviyo
  • Mailchimp / Mandrill
  • Sendgrid / Twilio
  • Salesforce Marketing Cloud
  • Gorgias / Zendesk
  • ShipStation & carrier notifications
  • Your own Google Workspace / Microsoft 365

The reason this matters: enforce a policy while a legitimate sender is still unauthenticated and you block your own mail. Map first, fix second, enforce last.

How Blankitt gets you to p=reject safely

Enforcement isn't a switch you flip — it's a guided, plain-English path, and Blankitt walks you down it with your own data:

See every service sending as you

Aggregate (RUA) reports plus automatic vendor identification surface every platform sending with your domain — the ESP you remember and the abandoned-cart tool you forgot. Nothing reaches enforcement unmapped.

Fix alignment per platform

Most ESP mail fails DMARC not because it is malicious but because SPF/DKIM aren't aligned to your domain. Get platform-specific guidance to set custom sending domains and DKIM selectors for Klaviyo, Mailchimp, Shopify and the rest.

Catch spoofing of your brand

Unauthorised sources sending as your domain show up plainly. Fake 'your order has shipped' and refund-scam emails that erode customer trust get caught — and shut out once you reach p=reject.

Move to reject without an outage

The policy simulator previews the impact of quarantine and reject against your real report data, so you don't discover a broken receipt flow on Black Friday.

The sequence is always observe at p=none, authenticate and align every real sender, then progress to quarantine and finally reject — checking the simulator at each step so a receipt flow or a campaign never breaks on the way. We monitor your authentication; we don't touch how your ESPs send. To be clear, that means we help your domain earn mailbox-provider trust — we don't guarantee inbox placement, which depends on your content and sending practices too.

UK-built, and part of one suite

DMARC forensic reports can carry message-level metadata — addresses and subject lines — which is personal data under UK GDPR. Nearly every incumbent is US-only SaaS, with the US CLOUD Act exposure that brings. Blankitt processes your reports in the UK/EU on Cloudflare's network, encrypted and tenant-isolated, with real UK-based human support. If your data genuinely can't leave your own walls, there's a self-hosted option for unlimited domains.

And because Blankitt DMARC sits inside the wider Blankitt platform, you can run it alongside our IT, Finance, HR and GRC tools on one login and one bill — handy when the same small team owns the storefront, the back office and the security posture. Read more on the main DMARC product page.

Questions retailers ask

Will moving to DMARC enforcement break my order confirmations or marketing emails?

Not if you sequence it correctly. You start at p=none to observe, then use Blankitt's report data and policy simulator to confirm every legitimate sender — your ESP, your store platform, your helpdesk, your own mailboxes — is authenticated and aligned. Only once everything passes do you progress to quarantine and then reject. The whole point is to reach enforcement without dropping a single real receipt or campaign.

How does Blankitt help me find all the third parties sending as my domain?

Aggregate DMARC reports name every sending source, and Blankitt automatically identifies the vendor behind common ones (Klaviyo, Mailchimp, Shopify, Sendgrid, Salesforce Marketing Cloud and more). Retailers routinely discover senders they had forgotten about. You can't safely enforce a policy until you know who is legitimately sending — this is how you build that list.

Do Google, Yahoo and Microsoft really require DMARC for retailers?

Yes. Google and Yahoo's bulk-sender rules — covering any domain sending 5,000+ messages a day — have been in force since February 2024, and Gmail escalated to permanently rejecting non-compliant mail in November 2025. Microsoft began routing high-volume senders to junk in May 2025 and is now enforcing hard rejections. A retailer at peak send volume is squarely in scope.

Why does data residency matter for a retailer's DMARC monitoring?

DMARC forensic (RUF) reports can contain message-level metadata — sender and recipient addresses, subject lines — which is personal data under UK GDPR. Most DMARC vendors are US-only SaaS, which brings US CLOUD Act exposure. Blankitt processes your data in the UK/EU on Cloudflare's network, and offers a self-hosted option if your data can't leave your own infrastructure.

I'm a small store — is DMARC monitoring affordable?

There's a free tier for one domain, and every paid plan includes every feature — forensic reports, API, SSO, mailbox sync — with no per-feature upsell. Plans differ only on how many domains you monitor and how long history is kept. You can also run a free DMARC check on your domain right now without an account.

See who's sending as your store

Start monitoring free, or run an instant DMARC, SPF and DKIM check on your domain — no account needed.