How to verify an email list cheaply

One list, by vendor and size

Each vendor's lowest published route for one list of that size, read from its own pricing page. Ours is the cheaper of one month of the smallest plan that covers it and a one-time pack, where packs are sold. Where a vendor is below our figure, it costs less for that job. Vendor prices read 12 Oct 2026 to 30 Oct 2026. Each vendor links to its comparison page, which records the date its prices were read. Check their site for current pricing before you buy.

SimpleVerifier facts: prices, packs and limits

SimpleVerifier facts from our pricing page and product. Last updated October 31, 2026.

Step 1: cut the list for free

Remove duplicate emails and run the bulk syntax checker and the bulk disposable email checker; none needs an account. Then drop role addresses (info@, sales@) if your campaign is to people, and anything older than your last bounce report says is safe.

Step 2: buy for how often you check

One list, once: a one-time pack (10,000 checks for $15, 25,000 checks for $29, 50,000 checks for $49, 100,000 checks for $79, 250,000 checks for $169) never expires, or one month of Starter ($9 for 2,500 emails a month) or Growth ($19 for 10,000 emails a month), cancelled when the job is done.

The same list every month, or more than 10,000 addresses: Pro is $39 a month, never cut off: the first 100,000 emails a month run at full speed, then big lists run slower. Business ($99) runs 300,000 a month at full speed and Agency ($249) 750,000.

What cheap verification cannot do

Mailbox checks are paced, because mail servers slow down or block verifiers that probe too fast, and the daily check capacity is shared between customers. Addresses that need no mailbox check, such as broken syntax, dead domains and disposable addresses, come back at once. The rest run in a queue, and the job card shows an estimated finish time. SimpleVerifier sends its mailbox checks from one IP today, so a list of 100,000 takes days rather than hours.

Catch-all domains, Yahoo and AOL accept every address during the check, and Microsoft currently refuses checks from our server's network, so those addresses come back risky, never valid. No price buys certainty on them; send to them in small test batches.

When another route is cheaper

• A vendor in the table costs less at your list size. The table is sorted by price and shows them as plainly as the ones that cost more.
• You need a big list back within the hour. Our checks are paced and the queue is shared, so a large list takes days.
• Your list is mostly Outlook.com or Hotmail addresses: we can't confirm those right now, so you would pay for many risky results.

Common questions

What is the cheapest way to verify an email list?

Remove duplicates, broken syntax and disposable domains free, use the first 100 free checks, then pay for the rest in the shape that fits: a one-time pack for one pass, a monthly plan for repeated checks. For one list of 10,000, the lowest published price we found is Reoon at $11.90 (read 30 Oct 2026); SimpleVerifier costs $15 (a one-time pack of 10,000 email checks that never expires).

Can I verify an email list for free?

Partly. The first 100 checks are free with a Google sign-in and no card, once per account, and single addresses on the free email checker need no account (five a minute). A whole large list needs a paid plan or pack.

Do duplicates or failed checks cost credits?

No. One unique address counts once per file, and addresses we can't check are not counted.

Is a cheaper verifier less accurate?

Price says nothing about accuracy, and we publish no accuracy figure because we have no independent measurement. Test any verifier with an invented address at a real company domain: a real mailbox check returns invalid or risky.