Where can I find the RMail functions?

Can I send “normal” emails in addition to RMail?
4. December 2017
Can the recipient of my registered email likewise reply with a registered email?
4. December 2017

Where can I find the RMail functions?

The RMail functions appear after clicking on the RMail “send registered” button directly above the “send” button in Outlook. In other email programs, the features may be found elsewhere. For example, in Gmail, the options are at the bottom of the window.