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Thunderbird not receiving emails

  • Tsisy valiny
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Since 9/10/25 late afternoon, Thunderbird is having problems retrieving my emails. I have two gmail accounts on T-Bird. Running BitDefender (turned off the email scanning). Even when BitDefender is turned off completely, T-Bird doesn't receive new emails.

In Account Settings, my default has a star. I can't select the Set as Default radio button, as it is greyed out, but can on my 2nd account (which is NOT my default). How do I fix this?

My settings:

Server Name: imap.gmail.com Port: 993 Security: SSL/TLS Auth Method: OAuth2 Outgoing Server: Google Mail - smtp.gmail.com

Since 9/10/25 late afternoon, Thunderbird is having problems retrieving my emails. I have two gmail accounts on T-Bird. Running BitDefender (turned off the email scanning). Even when BitDefender is turned off completely, T-Bird doesn't receive new emails. In Account Settings, my default has a star. I can't select the Set as Default radio button, as it is greyed out, but can on my 2nd account (which is NOT my default). How do I fix this? My settings: Server Name: imap.gmail.com Port: 993 Security: SSL/TLS Auth Method: OAuth2 Outgoing Server: Google Mail - smtp.gmail.com

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