Email multiple contacts in Python

You want this:

from email.utils import COMMASPACE
...
you = ["[email protected]", "[email protected]"]
...
msg['To'] = COMMASPACE.join(you)
...
s.sendmail(me, you, msg.as_string())

you = ('one@address', 'another@address')
s.sendmail(me, you, msg.as_string())

Try

s.sendmail(me, you.split(","), msg.as_string())

If you do you = ['[email protected]', '[email protected]']

Try

msg['To'] = ",".join(you)

...

s.sendmail(me, you, msg.as_string())