Best Email Verification · pricing · Updated June 2026

Mailfloss pricing (2026)

Mailfloss starts at $29/mo (Lite), across 3 plans. Best for Newsletter operators and email marketers wanting set-and-forget automated daily cleaning. Every figure links to Mailfloss's own page and the date we captured it.

At a glance

Entry price: $29/mo (Lite) · 10% off with annual billing
Free tier: No · 7-day trial
Compliance: HIPAA — · SOC 2 — · GDPR —
Best for: Newsletter operators and email marketers wanting set-and-forget automated daily cleaning; Teams with established ESP integrations (40+ supported) needing continuous hygiene; Senders with 2+ year old lists experiencing high decay (~22% of such lists); Businesses prioritizing typo correction to recover valid subscribers

Mailfloss plans & pricing

All published Mailfloss plans. Sourced per row; quote-only tiers show no price.
Plan	Monthly	Annual	Billing	Notes	Source
Lite	$29	−10%	flat	$29/month (or 10% off prepaid annual). 10,000 verifications/month. Overage: $0.005/email. Automatic daily list cleanup, real-time API, webhooks. 7-day free trial (credit card required).	mailfloss.com
Business	$59	−15%	flat	$59/month (or 15% off prepaid annual). 25,000 verifications/month. Overage: $0.003/email. 10 ESP connections.	mailfloss.com
Pro	$209	−20%	flat	$209/month (or 20% off prepaid annual). 125,000 verifications/month. Overage: $0.001/email. Unlimited ESP integrations, SSO.	mailfloss.com

Last verified 2026-06-14. Official pricing page https://www.mailfloss.com/pricing fetched 2026-06-14 — complete plan data returned including three named tiers with monthly prices, credits, and overage rates. 40+ integrations stated on page. No HIPAA/BAA mentioned.

Capabilities

Integrations: Mailchimp, Klaviyo, HubSpot, ActiveCampaign, Brevo, Constant Contact, ConvertKit, MailerLite, Drip, Google Sheets, Airtable, Zapier, REST API.

Key features: Autofloss: automatic daily cleanup of new subscribers from past 24 hours; Instafloss: real-time signup blocking (catches ~14% of bad signups); Typo Fixer: 250+ typo patterns across major email domains; Decay Protection: periodic re-validation (weekly to bi-annual) of existing lists; Spotless (in development): contact field cleaning beyond email (name, phone, address); 40+ native ESP integrations; JavaScript form widget for real-time validation; Webhooks and REST API; SSO on Pro plan; Standard Contractual Clauses for international data transfers (EU-compliant).

Plan limits: Lite: 10,000 verifications/month; overage $0.005/email; Business: 25,000 verifications/month; overage $0.003/email; 10 ESP connections; Pro: 125,000 verifications/month; overage $0.001/email; unlimited ESP connections; 7-day free trial (no credit card required per features page); No PAYG option; subscription-only billing model.

Frequently asked questions

How much does Mailfloss cost?

Mailfloss starts at $29/mo (Lite); it has 3 published plans. Verified 2026-06-14.

Is Mailfloss cheaper billed annually?

Yes. Mailfloss publishes a 20% discount for paying annually (on the Pro plan). Verified 2026-06-14.

What are cheaper alternatives to Mailfloss?

Cheaper email verification than Mailfloss (entry $29/mo) include EmailListVerify at $16/mo, ZeroBounce at $18/mo, Bouncer at $25/mo. Verified 2026-06-14.

Does Mailfloss support HIPAA?

Mailfloss HIPAA support: —. SOC 2: —. GDPR: —.

Does Mailfloss have a free plan?

Mailfloss free tier: No; 7-day free trial.

Mailfloss vs alternatives

Compare all email verification → · Mailfloss alternatives → · Open data · MCP