You can open Cloze's email composer when you click on mailto: links on other web pages. Please see below for instructions on how to enable this in your browser.
1.) Tap on More (...) in the lower right of your screen on mobile (iOS/Android) and lower left on cloze.com.
2.) Tap on Settings
3.) Tap on Mail Settings to expand the section and then scroll down to the MailTo Links section and tap on the Enable button.