On Wed, 21 Apr 2004, Scott Call wrote:
> Okay I understand this now (I was thinking the 450 and 554 were
> sequential, I wasn't taking pipelining into account). Now the only mystery
> is why Postfix 450's invalid recipients instead of 550's them. Seems to
> put undue load on the sender's MTA.... Not that I expect an answer since
> this is, of course, exim-users, but it does make one wonder.
Postfix has a "soft bounce" parameter that turns permanent rejections
into temporary ones; it is intended for cautious testing of new
configurations.
Is this a first? Exim author answers a Postfix question. Shock! Horror!
--
Philip Hazel University of Cambridge Computing Service,
ph10@??? Cambridge, England. Phone: +44 1223 334714.
Get the Exim 4 book: http://www.uit.co.uk/exim-book