Mail Blog
News, engineering insights, and privacy updates from the Aster team.
How to use email aliases
An alias is a second address on your account that lands in the inbox you already read, and that you can send from. Here is how to make one, what each alias can do on its own, and why we encrypt the address itself.
What ghost aliases are and how they work
Ghost aliases are temporary email addresses that deliver straight into your inbox without exposing your real address, then remove themselves automatically. Here is how they work under the hood.
How to export your data
Aster lets you download a full copy of your account whenever you like. Here is what an export contains, how to run one, and how to keep the file safe.
How our warrant canary and transparency report work
What our warrant canary actually proves, what shows up in our transparency report, and how to independently verify both. A practical guide to the legal protections behind Aster Mail.