I am having a bit of a situation here. There seems to be times that
an e-mail gets sent out from a Mail client or an Entourage client,
but is not delivered elsewhere till much later in the day (sometime
6 to 8 hours later). I have tracked the e-mail to the server, there
are no error logs, it just seems to not let it go until later on.
There seems to be no rhyme or reason as to which ones go out regular
and which ones are delayed.
First you realize that mail is never guarentteed to get delivered. Nor
is there any way to assure the timeliness of it's delivery as it
passes through who knows what beyond your control .
That said, is there anything running viral scanning or spam scanning
in the way? Do you realize that can take a while.
And what about transitory failures and deferrals in SMTP?
I am sure there is more information needed, but I do not even know
what info to add.
Watch it on the mail queues. See where it's at.
Also note that knowing if this was inbound mail, mail your sending out
and if so what its destination is are all very important, yet missing
in your post, factors.
-dhan
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Dan Shoop
Computer Scientist
iWiring / U.S. Technical Services