# mailfloss (mailfloss.com)

Validates and cleans email lists in your email platform, fixing typos and removing bounces, dead addresses and bot signups.

- Atlas card: https://inite.ai/en/atlas/mailfloss.com
- Site: https://mailfloss.com
- For: email marketing teams whose subscriber lists suffer from typos, bounces, and bot signups
- Use 1/100 · alive 100/100

## Used for

- catch and fix typos in newsletter signup emails
- block bot and spam signups at the form
- remove bounced and dead addresses from synced lists daily

## Price

- from 29 USD/month, free plan (read 2026-10-20 on https://mailfloss.com/pricing/)

## For developers

- API docs: https://mailfloss.com/email-verification-api
- MCP server: com.mailfloss/mailfloss (namespace; auth on 2026-10-20)
- Status page: https://status.mailfloss.com
- Read 2026-10-20

## MCP server, measured daily

Server: https://api.mailfloss.com/mcp, checked every day since 2026-10-20 (15 checks).

- Answered: 100% of daily checks
- Median first answer: 336 ms
- Sign-in: OAuth (the client signs the user in)
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: gdpr
- Read 2026-10-20

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Source: INITE Atlas, https://inite.ai/en/atlas/mailfloss.com. JSON: https://inite.ai/api/atlas/mailfloss.com. MCP: https://inite.ai/api/mcp (atlas_lookup).