List preparation

Email verification before outreach.

Check addresses and review the result reasons before adding contacts to a campaign. Keep uncertain findings visible.

Start free trial

7-day trial · Credit card required · Cancel anytime

Review the result and the audience.

FEAT / 01

Check the address

Run the verification workflow for your selected contacts.

FEAT / 02

Read the reason

Distinguish a specific failure from an uncertain result.

FEAT / 03

Confirm buyer fit

An address result does not establish that the person wants or can use your offer.

FAQ5 entries

Email verification questions.

Understand result scope and the next review step.

Talk to sales

Check addresses, read the result and its reason, then decide which contacts belong in the campaign. Use the list verification walkthrough for the workspace flow.

One verification uses 1 lead credit. Sending emails does not use lead credits. Check the finite allowances on pricing.

A catch-all response can leave the individual mailbox uncertain. Read the returned reason and keep uncertain contacts separate for review. See the catch-all guide.

No. Address state can change, and delivery also depends on authentication, provider policy, sending behavior and recipient response. Verification is one part of audience review.

The free checker performs syntax, MX and basic address checks. It does not confirm an individual mailbox or detect catch-all behavior.