Mailfloss Review 2026
Email Verification on Autopilot for Marketers
What is Mailfloss?
Mailfloss is an automated email verification and list-cleaning tool that plugs into email platforms to block bot/spam signups, fix typos, and remove bounces and decayed addresses on autopilot. It protects sender reputation and improves inbox placement for email marketers.
Best for
SMB
Use cases
- Email list cleaning and hygiene
- Blocking bot/spam/disposable signups
- Protecting sender reputation
- Reducing bounce rates
Key features
Automatic typo correction (250+ patterns)
Real-time signup verification (Instafloss)
Daily batch cleanup (Autofloss)
Decay protection / scheduled re-validation
CSV, API, Zapier, Google Sheets, and Airtable verification
Pricing
Model
freemium
Price range
Free 7-day trial with money-back guarantee; subscription plans plus pay-per-credit CSV verification.
Free tier
Yes
Integrations
Mailfloss integrates with 10 tools including:
MailchimpKlaviyoHubSpotActiveCampaignConvertKitAWeberBrevoZapierGoogle SheetsAirtable
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