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Resetting Thunderbird after Cox.net e-mail has transitioned to Yahoo.com e-mail

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  • Last reply by billb1111

billb1111
billb1111
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Cox.net is transitioning from in-house e-mail to e-mail handled by Yahoo.com. Our cox.net addresses are supposed to (and apparently have) transitioned so that they still work, but are processed through pop.mail.yahoo.com.

It is my turn to be transitioned and I have been successful in doing so to the extent that I can send and receive using my address(es) ...@cox.net through Yahoo web mail and on my Samsung phone. I have not, however, been successful in either sending or receiving mail using Thunderbird on my desktop.

I have been successfully using Thunderbird with POP settings for years with four different cox.net addresses. [I'm currently just trying to get two of them working -- unsuccessfully.]

I am using Windows 10 on a Dell desktop. I am using Thunderbird 115.9.0 (32 bit). I have reset the POP and SMTP settings as directed by Yahoo. One of the errors I receive is: "Error with Account .... Sending of password for ...@cox.net did not succeed. Mail server pop.mail.yahoo.com responded (SYS/TEMP) Server Error - Please try again later." It then asks me to retry or enter a new password. I have checked the passwords saved by Thunderbird and they are correct.

I suspect, that with all the Cox accounts being newly routed through Yahoo servers that I am not the only Thunderbird user experiencing this problem. Does anyone have any suggestions? Is it likely to help if I uninstall and reinstall Thunderbird? Would I loose all my mail, etc. if I did that? [I did the delete and add account in my phone and that was successful, but I wasn't concerned about losing mail there as it is all on my desktop.]

Thanks in advance. billb1111

Cox.net is transitioning from in-house e-mail to e-mail handled by Yahoo.com. Our cox.net addresses are supposed to (and apparently have) transitioned so that they still work, but are processed through pop.mail.yahoo.com. It is my turn to be transitioned and I have been successful in doing so to the extent that I can send and receive using my address(es) ...@cox.net through Yahoo web mail and on my Samsung phone. I have not, however, been successful in either sending or receiving mail using Thunderbird on my desktop. I have been successfully using Thunderbird with POP settings for years with four different cox.net addresses. [I'm currently just trying to get two of them working -- unsuccessfully.] I am using Windows 10 on a Dell desktop. I am using Thunderbird 115.9.0 (32 bit). I have reset the POP and SMTP settings as directed by Yahoo. One of the errors I receive is: "Error with Account .... Sending of password for ...@cox.net did not succeed. Mail server pop.mail.yahoo.com responded (SYS/TEMP) Server Error - Please try again later." It then asks me to retry or enter a new password. I have checked the passwords saved by Thunderbird and they are correct. I suspect, that with all the Cox accounts being newly routed through Yahoo servers that I am not the only Thunderbird user experiencing this problem. Does anyone have any suggestions? Is it likely to help if I uninstall and reinstall Thunderbird? Would I loose all my mail, etc. if I did that? [I did the delete and add account in my phone and that was successful, but I wasn't concerned about losing mail there as it is all on my desktop.] Thanks in advance. billb1111

Chosen solution

It's the use of OAuth2 authentication for TB versions 78* or later as stated in the article mentioned above.

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All Replies (4)

christ1
christ1
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I have reset the POP and SMTP settings as directed by Yahoo. One of the errors I receive is: "Error with Account .... Sending of password for ...@cox.net did not succeed.

Modifying an existing account is not recommended. Instead set up a new account in Thunderbird for the new Yahoo server. Also see https://support.mozilla.org/en-US/kb/thunderbird-and-yahoo

Is it likely to help if I uninstall and reinstall Thunderbird?

No, it's not. All your data such as messages, passwords and user preferences, and changes made while you use Thunderbird, are stored in a special folder called a profile. Your profile folder is stored in a separate place from the Thunderbird program, so that if something ever goes wrong with Thunderbird your information will still be there. It also means that you can uninstall Thunderbird and reinstall without losing your settings and data. https://support.mozilla.org/en-US/kb/profiles-where-thunderbird-stores-user-data

billb1111
billb1111 Question owner
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I have the problem resolved. Christ1 gave me a clue, but a user on Nextdoor.com really solved it for me. The use of Authentication OAuth2 noted for Thunderbird before 78* proved to be the solution. I had not tried that because I am on Thunderbird 115.*

The bottom line is I have it fixed and working. Thanks!

christ1
christ1
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Chosen Solution

It's the use of OAuth2 authentication for TB versions 78* or later as stated in the article mentioned above.

christ1 modificouno o

billb1111
billb1111 Question owner
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christ1; Sorry my bad. I read that too fast. Going back I see now that the part about before and after 78* didn't even apply to the OAuth2, but a separate issue. Thanks again; problem is solved.