Masked Email Manager
What is Fastmail Masked Email?
What the feature does, how it differs from plus addressing and catch-all domains, and when each one is the right tool.
Guides
Fastmail Masked Email, explained
Short, practical write-ups on the feature and on setting the app up.
Creating a Fastmail API token
Where the setting lives, which scope to pick, and how to keep the token's reach as small as possible.
How to create a masked email
Generating an address from Fastmail's own settings, and from Masked Email Manager on your phone.
Masked email with Shortcuts and Siri
Wiring the Create Masked Email action into Shortcuts, plus a couple of automations worth building.