Compartir a Gmail desde el sitio web

let url = 'https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=Your+Subject+here&body='+msgbody+'&ui=2&tf=1&pli=1';

window.open(url, 'sharer', 'toolbar=0,status=0,width=648,height=395');
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