Mailbox last access - most reliable source

[Joseph Brennan]

"Fabio S. Schmidt" <fabio at improve.inf.br> wrote:

>  I actually need to consider only the last access via IMAP or POP 
protocols.

That can be very misleading, because a device may keep checking for new 
mail for a very long time after the user abandons the account.

A recent timestamp on the user.seen file should be good, but that seems to 
update mysteriously sometimes.


Joseph Brennan
Columbia University Information Technology