More information provides a low-maintenance, resource efficient and interoperable e-mail service for everyone. What's behind a chatmail is effectively a normal e-mail address just like any other but optimized for the usage in chats, especially DeltaChat.

Choosing a chatmail address instead of using a random one

In the Delta Chat account setup you may tap I already have a profile and fill the two fields like this:

If the e-mail address is not yet taken, you'll get that account. The first login sets your password.

Rate and storage limits

Who are the operators? Which software is running?

This chatmail provider is run by a small voluntary group of devs and sysadmins, who publically develop chatmail provider setups. Chatmail setups aim to be very low-maintenance, resource efficient and interoperable with any other standards-compliant e-mail service.