Mailbox intelligence
Get a clearer picture of deliverability with syntax, domain, and mailbox checks.
CONFIDENCE IN EVERY CONNECTION
Know what’s behind every address.
Verify your emails. Clean your lists. Send with clarity.
NO SIGN-UP. JUST CLARITY.
01 / CAPABILITIES
We help you read between the lines.
A precise view of the emails that matter.
Get a clearer picture of deliverability with syntax, domain, and mailbox checks.
Identify the mail provider behind an address, from Gmail to a custom business domain.
Flag known disposable addresses before they become part of your contact list.
Separate catch-all and inconclusive results so you can make an informed next move.
02 / THE PROCESS
One address or an entire list.
Three simple steps to a clearer picture.
Enter a single email or paste a list to check in bulk.
Follow the progress as each address is inspected.
Review the results, filter your list, and export your findings.
03 / YOUR WORKSPACE
A focused workspace for the details that matter. Check addresses, spot patterns, and leave with a list you understand.
Explore dashboard ↗04 / A LITTLE MORE CLARITY
Reacher checks address syntax, domain mail routing, and mailbox responses. It also identifies providers and flags known disposable addresses and catch-all behavior.
Yes. Open the dashboard, choose Bulk Verification, and paste addresses separated by new lines, commas, or semicolons. Review the results and export them as CSV.
Some mail servers block verification or do not return a conclusive response. Unknown means the mailbox could not be confirmed; it does not mean the address is invalid.
No. Open the dashboard and start checking immediately. Results stay in the current page session and reset when you reload.
No. Verification provides useful signals at the time of the check. Delivery can still depend on sender reputation, mailbox policies, and other conditions.