[Imap-protocol] [ann] lua imap server
blong at google.com
Tue Mar 20 15:06:24 PDT 2012
On Tue, Mar 20, 2012 at 2:33 PM, PA <petite_abeille at mac.com> wrote:
> On Mar 20, 2012, at 10:27 AM, Dave Cridland wrote:
> > No, NOOP is a command that does nothing; an EXISTS response is not
> automatically generated - it can be generated during any command (or, for
> extra bonus points, not during any command), but only when there are new
> Sure. Does it hurt though? If one send an EXISTS response even though the
> message count hasn't changed?
We've seen some clients which will always request information about the
last message in the folder if you give the same EXISTS. We issue duplicate
EXISTS every N minutes on IDLE as a keepalive for the connection (to keep
various NATs from closing the connection), but we only have to deal with
the small number of extra FETCHes every N minutes. (we tried to use an
untagged * XKEEPALIVE response, but some clients hang-up when they get an
untagged response they don't understand).
Brandon Long <blong at google.com>
Gmail Delivery TLM
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