Questions tagged [oauth2]

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How is oAuth more secure?

Many services, for example IMAP mail by Google, has moved away from user id/password authentication to using oAuth. How is oAuth more secure, besides it being a service provided by a large and well ...
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1 vote
0 answers
385 views

How to continue using msmtp OAuth 2.0 for Gmail in mutt after oob deprecation?

background For two years I've been happily accessing my Gmail accounts with neomutt. I'm sync'ing between neomutt locally and my online Gmail account with mbsync and a "2-Step Verification" ...
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  • 305
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Thunderbird login to Gmail with OAuth2 fails with "secure connection failed" - how to complete the login?

From 30 May 2022 we will be required to use OAuth2, not normal passwords, to log in to Gmail accounts. How will this Google announcement affect Thunderbird? So, I've tried several times to change the ...
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dovecot oauth2 strange error

i have set postfix+dovecot to work with an external authentication server (keykloak) using ouath2 in dovecot but sometimes i get this strange error that i don't understand May 18 18:50:11 mail dovecot[...
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1 vote
1 answer
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What are the advantages of using OAuth authentication in my desktop email client instead of an "app password" aka "secure mail key"?

Google allows the use of OAuth authentication to fetch email, but also the use of a lengthy "app password" generated by Google instead of an account password. Yahoo/AT&T also allows the ...
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4 answers
5k views

Thunderbird fails gmail OAuth2 despite correct credentials

When trying to set up Gmail account using OAuth2 on fresh Thundirbird install I can't get properly authenticated despite providing correct credentials. With help of the Thunderbird wizard I get all ...
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2 answers
723 views

Keycloak returning {"error":"Bearer token format error"} while getting clients by REST interface

Looking for a way to setup a keycloak env., create a new realm and populate with client/users to get a Minimal OAuth endpoint by using REST/CURL interface. Keycloak returning {"error":"Bearer token ...
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3 answers
1k views

Delete OAuth2 token in Thunderbird e-mail client

I am using Thunderbird to access my Google Mail. I use OAuth2 to authenticate. I am doing some testing and want to delete the OAuth2 token Thunderbird is using so that I am forced to re-authenticate. ...
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