I've updated my Google email address, now when I log in to stack overflow, I'm a new user?
1263
How can one link / merge / combine / associate two accounts / users? (Anonymous / unregistered / cookie, or Google / Facebook / registered)
27082
Can you change your email for Pokemon Go?
136322
Same e-mail user, different address?
38353
Why doesn't logging out of Stack Overflow log me out of Gmail?
108716
Changing my Apple ID's email: address is not available
41233
"OpenID 2.0 for Google Accounts is going away"; will this affect Stack Exchange?
140073
Which email was the verification email sent to?
47955
Unidentified address in Gmail
56931
Apex email : How to override 'From address'
138885
How to change from-address when using gmail smtp server
54833
Does Stack Overflow have a special Google integration?
50441
Unable to update user profile on Stack Overflow "This email address is already registered"
75635
Why can I only change my Stack Overflow name once every 30 days?
57291
Does this email mean that I have been granted the visa?
35872
Suspicious login request when using Google id
60830
How am I being logged in automatically even if I clear all my Chrome data from "the beginning of time"?
145773
How do I change my Stack Exchange password?