Added "Date" e-mail header, because some clients displayed motioneye emails with from date 01.01.1970 because of missing header
from email.mime.text import MIMEText
from email.MIMEMultipart import MIMEMultipart
from email.MIMEBase import MIMEBase
+from email.Utils import formatdate
from tornado.ioloop import IOLoop
email['Subject'] = subject
email['From'] = _from
email['To'] = ', '.join(to)
+ email['Date'] = formatdate(localtime=True)
email.attach(MIMEText(message))
for file in reversed(files):