What does the GDPR say about this? Do different rules apply depending on if you store data for more than 3 weeks or less than 3 weeks?
I noticed that at some point the default chatmail relay significantly reduced the timespan, although I don’t know exactly when this happened and I have wondered what was the reason for the change, since larger timespans have the advantage of reducing the possibility of missing any messages. Was the timespan reduced due to GDPR?
Webxdc apps don’t have internet access, so I don’t know how they’d do a key lookup.
Do you know if it would be enough for one person to have the other person’s key to establish two-way encrypted messaging (and the other key is sent automatically like SecureJoin) or would both people need to have the key of the other person?