Thunderbird 12.0.1 doesn't recognize any of my emails on Ubuntu 12.04 x86_64

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http://askubuntu.com – Good night. The title is self-explanatory: I'm trying to set my emails on thunderbird but I keep getting the same error message: "Thunderbird failed to find the settings for your email account." I saw another thread of two people with the same problem but I couldn't find the solution to this problem. I'm sure I'm writting correctly my profiles. Thanks for your help. (HowTos)