Bulk Email Checker vs mailfloss
A factual comparison of features, pricing, and capabilities.
Bulk Email Checker
Bulk Email Checker is an email verification service that cleans lists uploaded as CSV or text files and validates addresses in real time through a REST API. Credits are pay as you go with no monthly fees and never expire; an unlimited flat-rate API is sold separately.
mailfloss
mailfloss is an email verification service that connects to your email marketing platform and cleans the list daily on autopilot, removing bad addresses, fixing typos and blocking bot and spam signups in real time. Subscriptions are sized by credits per month; prepaid credits cover one-time list uploads.
Pricing comparison.
Monthly rates shown. Annual billing may offer discounts. Visit official sites for current pricing.
Feature comparison.
| Feature | Bulk Email Checker | mailfloss |
|---|---|---|
| Email checker for single addresses | ||
| Bulk email verification from CSV or text uploads | ||
| Real-time email verification API | ||
| Unlimited email verification API with flat-rate threads | ||
| Duplicate email remover | ||
| Syntax validator | ||
| Blacklist integration | ||
| Auto-reload of credits | ||
| Cleans your list daily | ||
| Removes addresses that decay over time | ||
| Custom keep and remove rules | ||
| Zapier integration | ||
| Real-time API | ||
| Webhooks | ||
| Automatically fixes typos | ||
| Prevents bounces in real-time | ||
| Auto-tags subscribers after verification | ||
| Single sign-on |
Native integrations.
Bulk Email Checker
mailfloss
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Information gathered from official sources and may change. Pricing and features last verified 9/4/2026. Please visit the official websites for the most current information.