Ok now we are getting somewhere… 
It seems the auth returns error, so network is ok as it’s able to contact the smtp server
Try unchecking “Auto TLS” and test again
Yea, this test should help too if above doesn’t work
Ok now we are getting somewhere…
It seems the auth returns error, so network is ok as it’s able to contact the smtp server
Try unchecking “Auto TLS” and test again
Yea, this test should help too if above doesn’t work