Auto setting an expiration

[Adam Tauno Williams <adam@xxxxxxxxxxxxxxxx>]

Via autocreateinboxfolders and autocreatequota a user's
mailbox/mailboxes can automatically be created when they authenticate to
the server.

Is there any way to automatically assign an "expire" value to newly
created mailboxes?  We automatically create a sent-mail folder when the
user logs in and would like to set the expire value of that mailbox to
365.

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