deliverability

  • Campaign Precheck

    Mailster’s Precheck feature allows you to efficiently assess your campaign’s deliverability. It analyzes subject lines, links, images, and provides a SpamAssassin score. Additionally, it checks authentication methods and your server’s IP against over 50 blocklists, ensuring your emails reach their destination without compromising privacy.

  • Mail App Unsubscribe

    Mailster includes a List Unsubscribe Header in newsletter campaigns, facilitating easy opt-outs through mailto or URL links. This feature enhances user experience, boosts email deliverability, and ensures compliance with anti-spam regulations. Major email clients like Gmail and Apple Mail support this header, providing clear unsubscribe options for recipients.