Sieve RFC5490 checks user quota usage

Ken Murchison murch at
Fri Mar 17 17:49:31 EDT 2017

There is no mailbox annotation that exposes quota that could be used 
with the mboxmetadata extension (RFC5490) and there is no current Sieve 
extension for checking quota.

On 03/17/2017 11:01 AM, Paolo Cravero wrote:
> Hello.
> I am trying to figure out if sieve, with RFC5490 support, is able to 
> read user's disk quota (used) and act accordingly.
> I would like to trigger a mail to "self" if quota is above a given 
> percent. Something like a vacation message (so once a day or so), 
> triggered on arrival AND if quota is above X %.
> If sieve doesn't support this, is there another way to do it?
> Thanks and have a nice weekend,
> Paolo
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Kenneth Murchison
Principal Systems Software Engineer
Carnegie Mellon University

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