Any input or assistance would be greatly appreciated. Ironically, I still have my old computer and am able to use Thunderbird and that same account with no problem at all. You do NOT need them, as they are a duplicate of every message. can not send attachments ( it opens in a app) by curlgirl153 October 15th, 2023, 3:01 pm. The last step, removing the account has now resulted in my not being able to even re-add it to the new computer, getting a repeated message: 'Configuration could not be verified - is the username or password wrong?' after numerous attempts. Congrats, you have made Thunderbird unusable. I have checked a number of online forums and tried a number of different solutions (including reducing the number of cached connections, simply waiting for several hours including overnight, uninstalling and reinstalling Thunderbird several times, resetting my router, and removing my Thunderbird account), all to no avail.

Unfortunately, I forgot to do the reductions on my new computer, and now I am getting the same error message. forum, I just cant get the verification code. If so use the Advanced IMAP Server Settings dialog to reduce the number of cached connections.' I had followed through with that suggestion on my old computer and had no further problems. Mozilla Thunderbird couldnt receive emails from their accounts anymore. You may have exceeded the maximum number of connections to this server. A users guide to creating a screenshot of their problem for uploading to the support forum. I had this set-up on my old computer and it worked fine except for initially getting the following error message: 'Unable to connect to your IMAP server. I just bought a new computer and as a part of setting it up, installed Mozilla Thunderbird for my msn.com e-mail account.

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