Re: The errant email
- From: Mark <spam@xxxxxxxxxxxxxxxxxxxxxx>
- Date: Mon, 1 Oct 2007 21:53:54 +0000 (UTC)
Brian Sullivan <briansullivan@xxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
On Mon, 1 Oct 2007 16:24:16 +0100, Dave Baker wrote:
Emails don't miraculously get delayed for exactly one hour.
Actually I suspect it is pretty common for emails to get delayed by one or
more even hours.
As I understand it, typically the way SMTP transfer works is that when a
failure to connect or transfer correctly occurs the transaction is put into
a retry queue to be retried for transmission after some configurable period
of time (and for some configurable number of times before a permanent
failure is recorded and reported to the sender).
A common retry interval would be 1 hour.
Exactly right and, if it was a connection failure, could happen.
That said, it's more likely that retries before backoff would mean that
_precisely_ one hour is a little suspicious.
The stupidity here is depending on standard email for this kind of vital
transmission. But this is something that all parties agreed to apparently.
I guess none of them had competent IT people to point out this issue?
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