Tasos Kotsikonas <[EMAIL PROTECTED]> writes on 18 May 1999 at 13:56:37 +0000
> Thanks everyone for the responses. Indeed our need for DSNs is
> simply TREMENDOUS. Email Solutions is setting up an
> enterprise-level services organization and the software we have
> developed (newsletter delivery if you care to know) needs a high
> speed farm of MTAs. Our software-customers at this point have lists
> as large as 3 million subscribers each. Our services organization
> should be able to support thousands of lists like that.
>
> With so much volume of email going out we need to cut down
> on the number of bounces. As we expect megabytes of bounces
> each day coming back from each such list, we need to keep
> our lists as clean as possible. Nothing else other than DSNs will
> allow us to be 100% successful. I am well aware that installing
> MTAs that do DSNs does not necessarily mean that we will
> not be getting non-DSN bounces back. In fact, our bounce handling
> code resolves about 99.2% of them (on a test of half a million random
> bounces). But we need to cut down on the processing time parsing
> non-DSN bounces, and indeed DSNs are very easy to parse with
> linear algorithms or better.
Actually, qmail's VERP should allow you to be 100% successful; and
DSNs won't, since they're not widely supported.
--
David Dyer-Bennet [EMAIL PROTECTED]
http://www.ddb.com/~ddb (photos, sf) Minicon: http://www.mnstf.org/minicon
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