Less Secure Apps

Some apps and devices use less secure sign-in technology, which makes your account more vulnerable. You can turn off access for these apps, which we recommend, or turn on access if you want to use them despite the risks. Learn more

https://www.google.com/settings/security/lesssecureapps

First Login your gmail A/c



1.Open the above link on another tab

        Less Secure Apps(This page is appear)
3.Access for less secure apps --Turn On.