Hi, I am using thunderbird for a very long time, now I changed my computer and installed again, but now I can not change the default e-mail account. Before it was the "first account" so when I put the account (that I want) at top it became the default. But now it is not working like that, my gmail is on the second and it uses this as the default not the corporate address which is on the top. I try to change it in settings, it does not allow me to choose "set as default" . How can I set the account (that I want) as default? Thanks in advance