On Tue, Oct 05, 1999 at 09:58:01AM +0100,
Philip Hazel <ph10@???> is thought to have said:
> On Mon, 4 Oct 1999, Yi Liu wrote:
>
> > I'll keep qmail in mind as an option, but I am familiar with Exim by now and
> > would rather not switch. Also, I have set up a local DNS server to cache
> > requests but it still takes an enormous amount of time.
>
> Exim does not route in parallel within a single message. It just isn't
> designed this way. You really need to split up into lots of messages
> with a moderate number of recipients in order to get routing
> parallelism.[*]
I'd recommend presorting your list by domain and then delivering 15 addresses
per message at a time. This is what we do for my company's weekly
newsletter with 275k subscribers. Note that 15 is about as many addresses per
envelope that you'll get before some sites will refuse the mail outright. Also
note that even if you do this, you'll probably hit rate throtlers at AOL,
Compuserve, and others which will automatically junk your mail with no notice
to anyone.
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Tabor J. Wells twells@???
Fsck It! Just another victim of the ambient morality
