it's an anti-spam thing. basically, when it sees mail from a new sender or recipient or from a new place come in, it says "go away. i don't want to talk to you yet". and spam goes away and doesn't try again. whereas real mail tries again (as it should)
so in exchange for a couple of minutes' delay on legitimate mail from a new sender/source, it avoids thousands of spam messages per day without even having to process them on the machine.
Wow! I wonder if my IT person has ever heard of this. We've got some kind of thing that sends me an email about questionable emails that it's blocked, but some still get through.
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timeasmymeasure
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Date: 2009-05-07 04:22 pm (UTC)so in exchange for a couple of minutes' delay on legitimate mail from a new sender/source, it avoids thousands of spam messages per day without even having to process them on the machine.
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Date: 2009-05-08 01:54 pm (UTC)Like, probably 20 a day. Ugh.
*makes a note to check with her*
:D