MailCheck

MailCheck is an email verification service, listed in Ukraine, that cleans mailing lists before a campaign goes out. It is aimed at businesses doing email marketing or cold outreach who want fewer bounces and a healthier sender record.

Products and services

• Bulk list checking: uploaded lists are scanned for invalid entries, duplicates and addresses likely created by bots.
• Real-time validation API: lets a business test new contacts as they arrive rather than in batches.
• Social network checks: the service uses social network data as one of its validation signals.
• Duplicate handling: repeated addresses in a list are not charged for.

Customers and markets

The firm pitches the tool at marketers trying to lift conversion from email and cut bounce rates, and at teams wanting to learn who sits behind an address or phone number.

Key facts

• Based in: Ukraine
• Speed: the company says a million addresses can be checked in roughly fifteen minutes
• Access: web interface plus API