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Fix it before your next send

"Your hard bounce rate is poor" on your HubSpot Health tab? Fix the list before probation becomes a suspension.

It doesn't have to become a suspension. Find out what percentage of your list triggered it ā€” free ā€” plus a sample of the flagged contacts, so you can check for yourself.

Get my free list analysis

Results in 60 minutes

šŸ”’ Encrypted Ā· Data deleted after analysis Ā· No credit card.

What the warning means

  • Your bounce or complaint rate crossed HubSpot's threshold.
  • If it stays high, HubSpot can pause or suspend sending to protect their servers.
  • The fix is removing the contacts causing the bounces and complaints ā€” not sending less.

HubSpot's term for this: email sending probation / suspension

HubSpot's published limits: hard bounce 5% Ā· spam 0.1% Ā· unsubscribe 3% (monthly)

This isn't a you problem. Every list rots.

Natural decay

People change jobs and abandon inboxes ā€” addresses die quietly.

Bot signups

Bots submit real people's addresses through your forms; those people mark you as spam.

Old imports

Contacts from past tools or purchased lists that were never verified.

The plan

  1. 1 Ā· Upload now

    Connect HubSpot directly.

  2. 2 Ā· Free analysis in 60 minutes

    What percentage of your list is bad, plus a sample you can verify.

  3. 3 Ā· Choose your deep clean

    See your price and decide. Nothing is charged until you do.

  4. 4 Ā· Zoned and tagged

    Every contact tagged in HubSpot before your next send.

Proof

We got a bounce warning the week before our biggest send of the year. The free analysis showed us how much of our list was bad and gave us a sample we could check ourselves ā€” that was enough to trust it. We paid for the deep clean, and the campaign shipped on schedule. No panic, no guesswork.
Marta Reyes Head of Lifecycle Marketing, a DTC skincare brand

From the team behind SpamKill (opens in a new tab)

Frequently asked questions

Removing the contacts causing bounces and complaints addresses the cause. Most senders see rates normalize in just one broadcast.

Analysis in 60 minutes; cleaning immediately after.

Encrypted, never shared, and purged after 30 days (a different policy applies while you're on Keep it Clean).

No ā€” we never delete anything. Uncertain contacts are tagged for your review.

Fix the list. Keep the account.

Results in 60 minutes

Get my free list analysis

šŸ”’ Encrypted Ā· Data deleted after analysis Ā· No credit card.