Find answers about mailfloss pricing, integrations, email verification, list cleanup, billing, data handling, and setup before you start automating list hygiene.
Short answers first, deeper product pages next. Use this FAQ to decide whether mailfloss fits your email verification workflow.
mailfloss is automated email verification and list cleaning software. It connects to email service providers, verifies addresses, fixes common typos, removes or flags invalid contacts, and helps teams keep lists cleaner over time.
Start with the question category that matches your concern
Accuracy, bounce prevention, typos, duplicate contacts, and how verification works.
Setup and integrationsSetup time, integrations, review mode, unsupported platforms, uploads, and configuration.
Pricing and trialTrials, subscriptions, one-time credits, ongoing cleanup, and money-back coverage.
Privacy and supportData retention, deletion, GDPR-conscious workflows, and support contact paths.
Invalid addresses increase bounce rates, waste email sends, and can hurt sender reputation. mailfloss helps remove or flag risky addresses before they cause deliverability problems.
Manual cleanup is easy to forget and slow to repeat. mailfloss connects to your email service provider and keeps verification running automatically, so list hygiene does not depend on someone remembering to export, upload, and re-import CSV files.
mailfloss uses multiple checks to identify invalid, risky, duplicate, and typo-filled addresses. Exact results depend on the email addresses, domains, and mailbox signals available at verification time.
No. mailfloss verifies addresses without sending a message to the recipient.
Yes. mailfloss can verify common consumer domains and can also identify many common typos in popular providers.
mailfloss can help identify duplicate email addresses as part of list cleanup workflows, depending on the integration and cleanup settings you use.
Most teams can connect an email service provider and configure their first cleanup rules in a few minutes.
You can start conservatively, review results, and adjust rules before allowing mailfloss to make stronger cleanup changes.
Yes. Review-focused workflows let you inspect what mailfloss finds before choosing how to handle contacts.
mailfloss supports many popular email service providers and marketing platforms, including Mailchimp, HubSpot, ActiveCampaign, Klaviyo, Drip, ConvertKit, and others.
You can use file upload, API workflows, or contact mailfloss support to ask about your provider.
You can use list upload workflows when you need to clean a file instead of connecting a supported provider.
Yes. mailfloss offers a free trial so you can connect your email service provider and see how automated cleanup works before committing.
Pricing depends on the cleanup workflow and volume you need. Subscription plans are designed for ongoing list hygiene, while credit-based options can support one-time cleanup.
Yes. Credits can be useful when you need a one-time cleanup or do not want an ongoing subscription.
mailfloss supports both, but its biggest advantage is ongoing cleanup because bad addresses keep entering lists over time.
mailfloss offers guarantee coverage for eligible purchases. Review the pricing and terms pages for current details.
mailfloss stores the data needed to provide verification and cleanup services. Data handling depends on the workflow, integration, and account settings you use.
You can contact support for help with data deletion questions and account-specific data requests.
mailfloss provides GDPR-related resources and privacy controls to help teams evaluate their own compliance requirements.
You can contact mailfloss support from the app or email [email protected].
Start your free trial, connect your email service provider, and let mailfloss keep list hygiene running in the background.
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