deliverability - Mailster Knowledge Base

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.

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.