Protect sign-up forms from spam bots with reCAPTCHA, honeypots, and rate limiting to maintain list quality, deliverability, and sender reputation.

Verify new emails for validity, domain, and disposables to prevent bounces, protect sender reputation, and ensure you reach real, engaged subscribers.

Optimize deliverability with SPF, DKIM, DMARC, domain warm-up, and compliance tools, ensuring inbox placement and adherence to GDPR/CAN-SPAM standards.

Use dedicated IP pools for full control over sending reputation, improved deliverability, and segmentation of email types, with expert warm-up and management support.

Manage multiple verified sender identities per brand or publication, ensuring deliverability, brand consistency, and reputation protection across all emails.