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Every email your store sends is a revenue opportunity — order confirmations, shipping updates, abandoned cart reminders, and promotional campaigns. If those emails land in spam, you lose sales. These free tools help you verify your email infrastructure, protect your sender reputation, and maximize deliverability.
E-commerce runs on email. Transactional emails have the highest open rates of any email type — customers expect and actively look for order confirmations and shipping notifications. When these emails don't arrive, customers assume the order failed, file chargebacks, or abandon your store entirely.
Marketing email drives 30-40% of e-commerce revenue for many stores. But deliverability isn't guaranteed — it's earned. Google, Yahoo, and Microsoft now require proper authentication (SPF, DKIM, DMARC) from bulk senders. Without it, your campaigns silently disappear into spam folders.
Even a small deliverability drop hits your bottom line. If your inbox placement rate drops from 95% to 85%, that's 10% of your email-driven revenue gone — silently. No error messages, no bounce notifications. Your emails just stop appearing in inboxes.
The math is simple: misconfigured authentication records, a blacklisted IP, or an expired SSL certificate can cost you thousands in lost sales per day. Regular monitoring with the right tools catches these issues before they impact revenue.
The tools e-commerce stores use most — all free, no signup required.
Check if an email address is valid and deliverable
Check DMARC policy and configuration for a domain
Validate SPF records and email authentication setup
Check if your domain or IP is on email blacklists
Comprehensive email & DNS security report with health score
Query all DNS records for any domain
Verify each item before launching your store or a major campaign.
Order confirmations, shipping notifications, and password resets are critical to the customer experience. If these land in spam, customers lose trust and flood your support team with tickets.
Promotional emails, abandoned cart sequences, and product launches depend on inbox placement. Poor authentication means lower open rates, fewer clicks, and lost revenue.
E-commerce stores send high volumes of email. One blacklisting event can tank deliverability overnight. Regular monitoring catches problems before they escalate.
Attackers spoof e-commerce domains to send fake order confirmations and phishing emails. DMARC with p=reject stops them from impersonating your brand.
Browse all 17 free tools — DNS, email, and security — no signup required.
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