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I have deleted the logins for thunderbird and cant seem to set them up again, mail is now not working

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I was trying to set a master password and in the process removed the logins under the passwords tab of Thunderbird. I have copied all the imap and smtp information from another computed to try and set them back up but they keep saying login failed Login to server smtp.1und1.de failed. I also removed the saved passwords manager and npw cant create a new login! Help!

I was trying to set a master password and in the process removed the logins under the passwords tab of Thunderbird. I have copied all the imap and smtp information from another computed to try and set them back up but they keep saying login failed Login to server smtp.1und1.de failed. I also removed the saved passwords manager and npw cant create a new login! Help!

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I think you best reinstall. then re enter your passwords when requested.