Best SALES Automation & Prospecting Tools
The must-haves in your outbound sales tool stack
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All The Sales Tools You'll Ever Need
Explore our comprehensive directory of sales software, categorized for your convenience.
Best SALES Automation & Prospecting Tools
The must-haves in your outbound sales tool stack
Explore our comprehensive directory of sales software, categorized for your convenience.
mailfloss helps businesses automatically remove invalid email addresses from their email lists. It improves email deliverability by regularly scanning for and removing bad emails, fixing typos, and integrating with various email service providers.

Proposals that win, built from your real sales context.
mailfloss is recommended for businesses of all sizes using popular email service providers like HubSpot, Klaviyo, and MailChimp who want to automatically remove invalid and fake email addresses to improve email deliverability and get more emails into the inbox. It’s easy to set up, works daily, and helps fix common typos without extra work.
Mailfloss offers three monthly plans starting at $29 with 10,000 credits and one ESP integration, scaling up to $209 for 125,000 credits, unlimited ESPs, and priority support. Each plan includes a 7-day free trial, real-time API, automatic daily cleanup, and Single Sign-On, with overage charges from $0.005 to $0.001 per email. Prepaid credits get discounts from 10% to 20%, and support quality improves with higher tiers.
With mailfloss, connect your favorite email marketing platform in a few clicks and set your preferences for automatic daily email cleaning. The setup takes about 60 seconds and requires only basic configuration to start removing invalid addresses instantly.
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