Vaadin Mail Portlet Error

Hi vaadiners :smiley:

I just finished install liferay 6.0.5 (much easier than 5.x) and also it contains vaadin mail portlet. no need to install it :slight_smile:

Well, i have this little problem, when I try to send or save a mail, it shows me this warning:

“Unable to send message. No folder exists with the primary key 0”

I tried to find a solution on liferay forum and actually there is a topic about this " " but i really didn’t understand. They talk about “imap server things” and I get lost there.

I hope you guys can help me. Thank you very much.