Gmail Integration for Login
128904
How to integrate Gmail login in Android application?
151084
Can I programmatically login a user without a password?
20786
How do I need to configure SMTP Auth?
33564
How to programmatically login/authenticate a user?
120729
Add log in link to menu in Twenty Twelve
156896
Is it possible to create an Admin Password Key to conveniently login?
26778
Email verification for new users
142050
Why does Ubuntu keep asking for my gmail password?
94746
Switch from OpenID to a Stack Exchange login
50260
Is there a new auto-login feature?
38383
Global auth is dead! Long live universal login
8104
Is there any way to send an email from a Gmail plus address?
31203
How do I display the user login in a popup?
72727
Webapp2 for Authentication and Login
55034
How to add a guest account without a password?
72191
Switch Stack Overflow account from Google login to Stack Exchange login
83096
Send from Gmail with another email address as the Reply-to or From address