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Your first list in 10 minutes

By the end of this page you’ll have verified a real list and downloaded the addresses that are safe to send to, ready for your sequencer.

  1. Create your account at app.emailshield.co. Sign up with email, Google or Discord. Every new account starts a 7-day free trial with 5,000 credits — one credit checks one address. No card needed.

  2. Tell us who you are. Trial accounts fill in a short profile first: your company, an optional website and a phone number. It keeps free credits away from throwaway accounts. We check the number is real for its country; there’s no SMS code.

  3. Prepare your file. A .csv or .txt file with one address per row. Keep your other columns (first name, company…) — they come back in the export. EmailShield finds the email column on its own if the header is something like Email, Work Email or Email Address.

  4. Upload it. On the Dashboard, open the Upload tab and drop in the file. Duplicates are removed automatically (ignoring capital letters) and addresses that aren’t valid email syntax are marked invalid straight away — neither costs a credit.

  5. Wait for the job to finish. You’ll land on the job’s results page and can watch it fill in. Small lists take minutes; big lists take longer, because mail servers are asked at a polite pace. You can close the tab — the job keeps running, and you can ask for an email when it’s done under Profile → Notifications.

  6. Download the clean list. On the Overview tab, export the Safe to send group. That’s your list. What the other groups mean →

Checking just a few addresses

Section titled “Checking just a few addresses”

The Dashboard also has a Paste tab (paste addresses separated by new lines, commas or semicolons) and a Single tab for one address. Both create a small job and take you to its results, the same as an upload.

Next

Section titled “Next”