Is MailerCheck Legit? Who Runs It, Prices, Refunds and Credits (November 2026)
Yes, MailerCheck is legit: it's a working email verifier operated by MailerCheck, Inc., under Delaware law, and its privacy policy says it partners with MailerLite for customer support. Its credits don't expire while your account is open. Before you buy, note that its terms make refunds narrow and that closing your account forfeits any remaining credits.
Sources: MailerCheck's terms of use (last updated 29 December 2025), privacy policy and pricing, read 3 November 2026. We sell a competing verifier; we make no claims about MailerCheck's accuracy.
The facts at a glance
| Check | What we found (3 Nov 2026) |
|---|---|
| Operator named | MailerCheck, Inc. |
| Addresses | 2035 Sunset Lake Road, Suite B-2, Newark, Delaware 19702 (terms 12.1); 228 Park Ave S, New York, NY (footer and privacy policy) |
| Governing law | State of Delaware; individual arbitration under AAA rules |
| MailerLite link | Partnered for customer support; used for MailerCheck's own customer emails |
| Credits | Never expire (our pricing record); lost if the account is cancelled or terminated |
| Refunds | Required only if MailerCheck terminates without cause; otherwise discretionary; none for unused credits |
| Deletion requests | "Effective within the next 30 days" |
What it costs
Pay-as-you-go, checked 3 November 2026:
| Pack | Price | Per 1,000 |
|---|---|---|
| 1,000 | $10 | $10.00 |
| 5,000 | $45 | $9.00 |
| 10,000 | $80 | $8.00 |
| 100,000 | $500 | $5.00 |
| 500,000 | $1,500 | $3.00 |
| 1,000,000 | $2,000 | $2.00 |
On the same date the table listed 2,000,000 at $2,000, the same price as 1,000,000, and 5,000,000 at $5,000; check the checkout before buying at that size. Every size is on the MailerCheck pricing page.
Who it suits
MailerCheck suits senders already on MailerLite or MailerSend who want verification from a company tied to that ecosystem, with credits that don't expire. If you're cleaning before a send because your platform has a bounce limit, check where you stand with the ESP bounce limit checker.
The catches
- Narrow refunds. Test a sample before a large pack.
- Credits die with the account. Use them before you close it.
- Per-pass billing. Cleaning the same list twice costs twice.
Where SimpleVerifier fits
If you re-check lists monthly, Pro is $39 a month with the first 100,000 checks a month at full speed, then slower, never cut off. The first 100 checks are free with a Google sign-in at /verify. See SimpleVerifier vs MailerCheck and the MailerCheck comparison page.
Common questions
Is MailerCheck legit?
Yes. It's a working email verifier operated by MailerCheck, Inc., named in its terms of use last updated 29 December 2025, with Delaware governing law. Its privacy policy says it partners with MailerLite for customer support.
How much does MailerCheck cost?
As checked on 3 November 2026: 1,000 for $10, 5,000 for $45, 10,000 for $80, 100,000 for $500, 500,000 for $1,500 and 1,000,000 for $2,000. The table also listed 2,000,000 for $2,000 and 5,000,000 for $5,000.
Can I get a refund from MailerCheck?
Its terms say MailerCheck is required to refund only if it terminates your service without cause. Other refunds are at its discretion, and unused credits aren't refunded.
Do MailerCheck credits expire?
Our pricing record lists its credits as never expiring. Its terms say you lose all credits if your account is cancelled or terminated.
Is MailerCheck part of MailerLite?
Its terms say MailerCheck, Inc. owns the service. Its privacy policy says it has partnered with MailerLite for customer support and uses MailerLite to manage its subscriber list and send emails to customers.
Check your list before you send
Real mailbox checks over SMTP, and nothing is sent to the address. Sign in with Google and your first 100 email checks are free, no card. Plans for bigger lists are on the pricing page.