How SipherMail is built for speed and privacy
Why SipherMail runs its own mail service, why our apps speak JMAP, how other apps connect over IMAP and SMTP, and what that means for you.
Blog
Notes from the team on how SipherMail works and how to get more from it.
Tracking pixels and what we do about them
What a tracking pixel is, what SipherMail removes and proxies, and the limits of that protection, including a setting that is off by default.
Move from Gmail or Outlook to SipherMail
A practical guide to importing your mail and contacts, what gets copied and what does not, and how to keep receiving mail while you switch.
What Sipher AI does with your mail
What each Sipher AI feature does, where it runs, how privacy mode and the allow inbox read setting work, and what we do not claim.
How end-to-end encryption works in SipherMail
When mail is encrypted automatically, how the keys and the OpenPGP format work, what the server stores, and what end-to-end encryption does not cover.
Introducing SipherMail
SipherMail is private email with end-to-end encryption between Privacy mode users, an AI assistant on our own servers, and apps for web, iPhone and Android.