From: (no name) (no email)
Date: Tue Feb 24 2004 - 22:00:13 EST
On Tue, 24 Feb 2004, Covington, Chris wrote:
> >> The RFC mandated limit is 100 not 1000.
> >
> >So the question is, what will Exchange 2003 do when hte user submits
> 1000 recipients,
> >and the SMTP server >accepts 100? Will Exchange 2003 send multiple
> messages with 100
> >recipients each, as one would expect after reading the RFCs?
>
> What is the postfix default limit? 100? My understanding was that the
> RFC in question says a *minimum* of 100 as per Dean's email. But I'll
> adjust Exchange accordingly if it does, by default, not accept 1000
> recipients.
>
Limits as low as 100 are legal, will Exchange proceed to the data phase
when the first 100 recipients are accepted and the next 900 are deferred?
Is it realistic to expect the downstream MTA to accept 900 failures and
not hang up? Bottom line: an MTA must not send more than 100 recipients
per transaction unless the destination host is known in advance to accept
larger envelopes. Yes, Postfix accepts up to 1000 by default, but Exchange
must not send not send than 100 by default.
-- Viktor.
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