Auto-expiration for other folders ...

Dear zMail Team,

This is an offshoot of my earlier question (http://help.zoho.com/portal/en/community/topic/can-we-configure-the-periodicity-of-auto-expunge). I would like to suggest if you could extend the auto-expiration for other folders as well like for example I would be receiving disposition notifications which I would like to keep in certain folder for sometime and then make it automatically read. After a few days it can be retired off from the catalog.
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Deepak Vasudevan
http://thamizhththendral.blogspot.com/