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After password change cannot receive messages

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I changed the password on two of my email accounts. My ISP is AT&T. I can log onto my accounts via webmail. I have deleted the two accounts from my saved password file in Thunderbird. When I attempt to login to me AT&T account, I get a request for password which I enter and check save to the password file. When I press enter, Thunderbird attempts to connect to my ISP and a shortly get an error message about my password being incorrect. I checked the logins, JASON file and it has the correct password. I can receive email from the accounts that I did not change passwords on. What do I need to do to get Thunderbird to logon to my ISP with the new passwords?

I changed the password on two of my email accounts. My ISP is AT&T. I can log onto my accounts via webmail. I have deleted the two accounts from my saved password file in Thunderbird. When I attempt to login to me AT&T account, I get a request for password which I enter and check save to the password file. When I press enter, Thunderbird attempts to connect to my ISP and a shortly get an error message about my password being incorrect. I checked the logins, JASON file and it has the correct password. I can receive email from the accounts that I did not change passwords on. What do I need to do to get Thunderbird to logon to my ISP with the new passwords?

Chosen solution

Remove the passwords from Saved Passwords, restart TB, enter a secure mail key instead of the account password when prompted.

https://support.mozilla.org/en-US/questions/1288812

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All Replies (2)

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Chosen Solution

Remove the passwords from Saved Passwords, restart TB, enter a secure mail key instead of the account password when prompted.

https://support.mozilla.org/en-US/questions/1288812

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Thank you very much for the help. Now I question using a secure key/password generated by my ISP. Sound like an open invitation to be hacked as you did not generate your own secure key/password. No reply requested, just an observation.