Prevent Emails from Being Sent to Invalid or Restricted Domains

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We’ve introduced enhancements to improve email deliverability and platform security by automatically blocking emails sent to invalid or restricted domains.

Automatic Blocking of Invalid Domains

Emails associated with known invalid or restricted domains are now blocked before they are sent.

Invalid email addresses are detected early, preventing their use in email communication and thereby reducing delivery failures and bounce rates.

When an email is blocked due to an invalid domain, users will see the following message:

“

This email address is invalid as the domain is restricted for security reasons

.”

  • Enhances email deliverability and protects sender reputation
  • Prevents failed deliveries caused by invalid or restricted domains
  • Strengthens platform security and compliance
  • Provides clear and actionable feedback to users