On Sat, 20 Feb 2010 09:46:21 EST, Daniel Senie said: > I don't know when this was that they didn't do validation.
So they validate... > The Barracuda boxes will accept mail for domains they know about but > without validating the email address in the event the target mail server > is down. And yes, it'd be nice if they instead sent back a 421 and let > the email queue at the point of origination in such cases. So if a mail > server is down and comes back up, some emails will likely be present in > the queues that shouldn't have been accepted. Except for when they don't, and instead of 421'ing they backscatter. Gotcha. > > >
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