[Dovecot] Folder aliases

[Cor Bosman]

> May be Outlook is buggy, but your mentioned Thunderbird has it's own 
> issue:
> 
> When I want to use german names for a user I setup his mail account 
> with a folder named "Papierkorb" as trash folder (german 
> translation). This can be used with many email clients without 
> problems. But a german Thunderbird wants to create a new folder 
> "Trash" and displays it as "Papierkorb". So what is the result? In 
> Thunderbird I have two folders named as "Papierkorb" where I see in 
> other clients a folder "Trash" and a folder "Papierkorb". (The same 
> applies to sent, draft and templates folders.)

It's 'simply' a translation issue and one of the problems with translating
folder names. The same happens with roundcube, and I removed the folder
translation code from the source. It's just too confusing for people when
they end up with 2 folders that seem to have the same name. 

Cor