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.