[i18n] mailbox and folder

[Jānis]

Citēts "Jozef Sudolsky ELBIA s. r. o." <jozef.sudolsky at elbia.sk>
Sun, 13 Jan 2013 21:34:10 +0100:

> If mailbox=folder, how should we translate strings like this? :) I  
> even don't understand the meaning when considering that  
> mailbox=folder. Thank you.
>
> Create Subfolders/Rename Mailbox
> Create subfolders and rename mailbox

I think that "mailbox" is kind of an account ("topmost folder"),  
holding together multiple folders with subfolders

Janis