BounceProtect
Clean your email lists before you send
Email validation for Apollo.io
Apollo finds the contacts. BounceProtect tells you which ones are actually safe to email. Skip the ones that will bounce, get flagged as spam, or land at a dead company — before your domain reputation pays the price.
Why Apollo users validate before sequencing
- Apollo emails are scraped or guessed — a significant percentage are invalid or catch-all
- High bounce rates from cold outbound will blacklist your sending domain within weeks
- Catch-all domains accept every email at the server — but most mailboxes don't exist
- New domains (under 90 days) in Apollo data are often spam traps or throwaway companies
- Company intelligence confirms the org behind each email is a real, active business
How it works
Export your Apollo leads
Export your Apollo prospect list or saved search as a CSV.
Upload to BounceProtect
Run SMTP verification, spam risk scoring, and catch-all detection across every email.
Check company intelligence
BounceProtect matches every domain against 22M+ orgs — so you know the company is real before you sequence them.
Launch clean sequences
Only send to SEND-rated addresses. Your reply rate goes up, your bounce rate goes down.
Start with 100 free validations
No credit card required. Upload your Apollo export and get clean/risky/invalid breakdown instantly.
Validate your list free →