ConvertKit (now Kit) is an email-first platform that automates email marketing, newsletter growth, and digital product sales for creators.
About Mailcheck
What is Mailcheck?
Mailcheck is an online email verification tool that checks and cleans your mailing list in one click. It verifies email addresses in real-time, ensuring your list contains only real addresses, while removing bots and inactive users. The service also validates emails through social networks, giving you insight into who is behind an email address or phone number.What problem does it solve?
High bounce rates can damage your sender score and blacklist your domain. Mailcheck helps you avoid this by filtering out invalid and risky addresses before you send. Using its validation algorithm, you can increase your delivery rate up to 5 times and reduce outbound marketing costs by not paying for duplicates or fake leads.Who is it for?
Mailcheck is ideal for marketers, online store owners, and sales teams who rely on email campaigns to drive conversions. It’s especially useful for those with large email lists (up to 1,000,000+ addresses) who need bulk verification in minutes. It is not designed for individuals who only need occasional one-off email checks.Real use cases
An e-commerce store owner cleans a years-old email list and finds 20% invalid emails, improving sender score and campaign performance. A marketing agency verifies leads before a product launch to avoid blacklisting. A sales team uses social network validation to pre-qualify prospects before outreach.Key features
- Bulk verification — Check 1,000,000 emails in just 15 minutes.
- Real-time email check — Verify if an email exists, SMTP status, and trust rate instantly.
- Social network validation — Validate emails through social networks to find hot leads.
- Disposable and catch-all detection — Identify and filter out disposable emails and SMTP catch-all addresses.
- Improve deliverability — Boost your delivery rate up to 5 times with the validation algorithm.
- API integration — Seamlessly verify emails directly through your own applications or CRM.
- Risk-free guarantee — 40-day money-back guarantee for peace of mind.
SaaSpartout Score
Editorial score from our review methodology — not user ratings.
Mailcheck Pricing
Mailcheck pricing: from $10/mo.
For comparison: the median starting price in Marketing & SEO is $29/month, measured across 753 tools we track. See the full SaaS Pricing Index →
Pro — $10/mo
1,000 emails to validate included. Overage charge: $0.005 per email.
Agency — $30/mo
5,000 emails to validate included. Overage charge: $0.004 per email.
Enterprise — $90/mo
20,000 emails to validate included. Overage charge: $0.003 per email.
Custom — request demo
For Epic (100,000+ emails) and Legendary (1,000,000,000+ emails) plans. Pricing tailored to your volume.
All plans come with a 40-day money-back guarantee.
