As I understand it, 

LSUB shows *subscribed* folders. 

(Which might include folders which aren't actually on the server still - they were, for example, subscribed, and then deleted.)

LIST should show all folders, regardless of subscription status. (But wouldn't show that folder that was subscribed but then deleted ,(which shows in the case above) since it doesn't exist any more (yet the user is still subscribed to it) ...

HTH

On 2021-07-11 11:44, Stephane Magnier wrote:

how can I make visible, by "lsub" all my folders ?

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Hi

sorry I don't understand..

When I use the lsub "" ** , there was nothing connected to the server ( nor Thunderbird nor roundcubemail )

Just the server running alone.

Is that normal to get "lsub" ... empty ? Evertything available should be available ?

So, how can I reactivate the vsibility via Dovecot cmd line ?

It used to work fine.. and suddently, it disappeared.. Done nothing.. ( se server was on test only and visible just by me )

Thanks