Mailfloss
Automated daily email list cleaning that runs on autopilot inside your ESP
pricingfree tierapichecked 25 Aug 2026
What Mailfloss is
Mailfloss is a hands-free, automated email list verification tool that connects directly to your email service provider. It runs continuously in the background to automatically detect and remove typos, invalid addresses, disposable inboxes, and spam traps every day, protecting sender reputation without requiring tedious manual CSV file uploads.
Pricing
| Plan | Price | Annual | What you get |
|---|---|---|---|
| Lite Floss | $17/mo | $14/mo | Up to 2,500 email verifications per month, automated daily list cleaning, 1 connected ESP |
| Pro Floss | $49/mo | $39/mo | Up to 10,000 email verifications per month, auto-typo fixing, custom tag rules, multiple ESPs |
| Squad Floss | $200/mo | $160/mo | Up to 50,000 verifications per month, priority queue, dedicated account manager |
Annual billing provides 20% discount on all plans.
Free access: 7-day free trial on all plans
read from the vendor pricing page · 25 Aug 2026 · how we verify
Best for
- Busy newsletter creators and e-commerce merchants wanting automated, hands-off email list cleaning
- Marketing teams preventing hard bounces from degrading primary domain sender reputation
Not for
- Software architects deploying Kubernetes microservices
Integrations
Mailfloss alternatives
All 3 alternatives to Mailfloss, compared Get the Toolvern badge for Mailfloss
MillionVerifier Automated email list verification with 99%+ accuracy and direct ESP sync 
Kickbox Enterprise email verification, list cleaning, and comprehensive deliverability suite 
DeBounce Fast, affordable email validation and list cleaning service with zero false positives Head to head: Mailfloss vs MillionVerifier Mailfloss vs Kickbox Mailfloss vs DeBounce
Compiled by Stepan Noianov from the vendor's own site and pricing page. Something wrong? Report an inaccuracy.