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How does Resquared validate emails and handle bounces?

Resquared checks business addresses before sending and manages list cleaning and sending health centrally. Do not retry a permanent bounce; use another public business contact, and ask support to review unusual bounce activity.

By the Resquared data team. Published by Resquared. Updated 2026-10-06.

For anyone selling to local businesses

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Every digital footprint of every brick-and-mortar business, resolved into one record and checked source by source.

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Find every footprintPublic records, business websites, social profiles, review sites, maps and listings, resolved into one business.
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The platform uses publicly listed business contact details and checks addresses before outreach. Validation reduces bad sends but cannot guarantee delivery because an inbox or domain may stop working after the check.

A hard bounce is a permanent rejection, such as an address that no longer exists. A soft bounce is usually temporary, such as a full inbox or a short server problem. Stop using an address after a hard bounce rather than repeatedly sending to it.

Campaigns use separate sending domains with warming, rotation, and reputation monitoring. This protects your primary company domain from cold-outreach risk. If one address fails, try another public business contact; at an owner-run business, the general inbox often reaches the decision-maker.

For details about whether a particular address was suppressed or retried, contact support so the team can review the campaign and account activity.

What to do

  1. Stop using an address after a hard bounce.
  2. Try another public business contact, including the general inbox at an owner-run business.
  3. Use a different outreach channel when the business still fits your offer.
  4. Ask support to investigate repeated or unusual bounce activity.

Related questions

Does address validation guarantee delivery?

No. An inbox can close or change after it was checked, and a receiving server may reject a message for other reasons.

What is the difference between a hard and soft bounce?

A hard bounce indicates a permanent failure. A soft bounce usually reflects a temporary problem, such as a full inbox or unavailable server.

Does the sending setup protect my primary domain?

Campaigns can use warmed, monitored, and rotated sending domains so meaningful cold outreach does not run through your primary company domain.

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