Setting Email Links to Open Gmail in Firefox

Associate email links in Firefox 57 to GMail or Yahoo Webmail (WebUI):

(In Linux):
Firefox > Edit > Preferences > General > Applications Section > mailto >
- Use GMail.
- Use Yahoo! Mail
- Use Other…

~~~

Check GMail via Linux Commandline

one line:
curl -u username --silent "https://mail.google.com/mail/feed/atom" | perl -ne 'print "\t" if //; print "$2\n" if /<(title|name)>(.*)<\/\1>/;'


originally from: http://www.commandlinefu.com/commands/view/3386/check-your-unread-gmail-from-the-command-line
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