[EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
> On Tue, 13 Nov 2007 13:09:34 PST, SM said:
> 
>> One of the unintended advantages of TBR over greylisting is that it 
>> can be used for a message recall feature. :-)
> 
> Not really, unless you *mandate* that a "cooling-off" period of (say)
> 5 minutes be enforced before anybody can fetch the message. Otherwise
> you encounter a race condition between you finding 'recall message'
> in the menu, and another site fetching the message.

   I don't see that "mandating" a "cooling-off" period would actually
help. Do note, however, that information is available to the sender
whether the message was fetched before the recall.

> (Yes, I see the smiley - I'm just filling in the blanks for less-clued
> people who may someday be reading the list archives....)

   Fair enough...

--
John Leslie <[EMAIL PROTECTED]>

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