Mail Blog
News, engineering insights, and privacy updates from the Aster team.
How to import your email into Aster
Moving to Aster does not mean leaving your old mail behind. Here is how to bring it over, either with a one-click connection to Gmail or Outlook, or by importing a file yourself.
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 CDN relay works
Aster's Connection setting has two options: Direct and CDN Relay. Here's exactly what the relay changes about your network path, what it does not do, and why it never hides your IP from us.
How to tell a real Aster email from a fake one
The blue badge on Aster's own emails has a specific meaning. Here is exactly what it checks, why it cannot be faked, and how to tell a genuine message from us apart from a phishing attempt.
How our decentralized storage works
There's a switch in your settings that takes your files out of our database entirely. Here's exactly what it does, where your encrypted files end up, and what we can still see, with nothing dressed up.
Introducing Aster Vanguard Lockdown Mode
Lockdown Mode is a one-tap security state in Aster Vanguard that blocks all external content, hides notification previews, and stops screenshots on the Aster apps, with no accidental way to turn it off. Built for journalists, activists, and high-risk accounts.