Typing anything uninterrupted

[Cliff509]

New user of iMac 21.5 while writing a email , it gets sent automatically mid sentence, have tired moving mouse far away just in ca. / example it just happened while writing this threa

 

[Cory Cooper]

Hello and welcome.

-Which model iMac 21.5-inch?
-Which version of OS X/macOS?
-Are you composing the email in the Mail application, or in Safari/browser?
-Are they Apple keyboard and mouse?
-Wired or Bluetooth?

C