Cant send email to gmail error 100 or 217

i try to send email to gmail from vm204 but dosnt work
i open vm204 cart in app and go to setting email setting and give in
server is
port is 587
TLS is on
user is x.x ath
password is xxxx
then i push on save and try test mail settings then i have error 100 if i try with port 465 i have error 217
wath can be the sulution?
in my IPcamera it works but there i have to use startTLS
firmware is 1.2.1
greats gusse patrick