Fastmask

Fastmask is the companion app for Fastmail users who rely on masked email aliases. Connect your Fastmail account using secure Fastmail login to instantly create, manage, and disable aliases - keeping your real address private, reducing spam, and staying in control of where your messages go.

• Secure Fastmail login • Create aliases instantly, including custom email prefixes. • Set local expiration dates for aliases. • Enable or disable aliases anytime to stop unwanted mail. • Bulk actions: manage multiple aliases at once. • Edit existing alias descriptions. • View, search, and open target domains directly from the list. • Tap an alias to quickly copy it—fast and accessible. • Safari Web Extension: Create masked email aliases directly from Safari and send them to the app. • Create aliases via the Shortcuts app for automation and one-tap workflows. • Manage multiple Fastmail accounts in one place with a dedicated sidebar. • Optimized layout for both iPhone and iPad. • Privacy-first design: no trackers, no data sharing, no selling.

Upgrade to unlock unlimited aliases, full multi-account support, and all advanced features—seamlessly integrated with Fastmail.