On Fri, 22 May 1998, Philip Hazel wrote:
> Date: Fri, 22 May 1998 16:10:12 +0100 (BST)
> From: Philip Hazel <ph10@???>
> To: David Shaw <dshaw@???>
> Cc: exim-users@???
> Subject: Re: [EXIM] local_part in an added header problem
>
> On Thu, 14 May 1998, I wrote:
>
> > On Thu, 14 May 1998, David Shaw wrote:
> >
> > > Right, that works... but then (I think) Exim makes a different SMTP
> > > connection for each mail which is expensive. Is there any way of having
> > > it use the existing connection? You know - do a RSET, then FROM, and RCPT
> > > all over again on the open pipe?
> >
> > 'Fraid not. Point noted.
>
> I've just been looking at this, and it turns out to be quite easy to
> make it re-use the existing connection, BUT:
>
> If it does this, it perforce sends all copies of the message in sequence
> down a single connection. It cannot make use of parallel connections. It
> occurs to me that someone with a mailing list containing 1000
> subscribers @aol.com (say) might prefer the expense of setting up
> several connections in parallel because that is likely to get rid of the
> message more quickly.
>
> What do people on this list think? Should I make this an option, and if
> so, what should the default be?
Perhaps the option should be a number, where that nunber indicates the
maximum number of messages that can go down the same pipe. I have no
suggestion concerning a default value...
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