--On 1 July 2009 12:30:54 +0000 John Levine <johnl(_at_)taugh(_dot_)com> wrote:
But if you can tell, which these
days is the vast majority of the time, 5xx is cheaper and less likely
to cause collateral damage.
Absolutely true, and I certainly don't advocate sending DSNs when you know
that its going to cause backscatter - eg, when you get an SPF fail.
But, what good reason is there for NOT using a DSN when you get an SPF
pass?
--
Ian Eiloart
IT Services, University of Sussex
01273-873148 x3148
For new support requests, see http://www.sussex.ac.uk/its/help/
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