Technical

Technical

format=flowed: the little standard that couldnʼt quite make it

Technical

Why we don't offer PGP

Technical

The JMAP Test Suite

Technical

Cyrus databases: twoskip and beyond

Technical

How Yubico OTP works

Technical

How U2F security keys work

Technical

How TOTP (authenticator apps) work

Technical

What's in a name – mailbox names via IMAP

Technical

Everything you could ever want to know (and more) about controlling the Referer header