The High Cost of Bad Emails

The High Cost of Bad Emails

How Invalid Addresses Damage Marketing Performance and ROI

Invalid emails create cascading business problems:

  • Up to 30% of email addresses become invalid annually
  • Each bounced email damages sender reputation
  • Lower deliverability means wasted marketing budget
  • Invalid data compromises customer insights
  • Marketing automation effectiveness diminishes

Mailcheck solves these problems by:

  • Validating emails before they enter your system
  • Identifying syntax errors, disposable domains, and non-existent mailboxes
  • Preventing costly bounces before they happen
  • Protecting your sender reputation with ISPs
  • Ensuring marketing spend targets real prospects