After follow the instructions in the article: https://www.digitalocean.com/community/tutorials/how-to-install-and-configure-postfix-on-ubuntu-22-04 and have configured the MX record to my domain loja-de-software.net.br, I have tried configure the account firstname.lastname@example.org on my machine in the application Mozilla Thunderbird on Kubuntu. When openning the application, I got a screen asking for my name, the e-mail address and my password. I fill this information and click in Continue. The application then gives me a error saying that cannot find the settings for my e-mail account. What I am doing wrong here?
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