According to Dave Sill:
> >the AOL MX needs 20 instances of its MTA to handle this traffic.
> Only because AOL uses a monlithic MTA (sendmail). To accept a message
> via SMTP, AOL has to load the entire sendmail system: SMTP daemon,
> queue manager, config file parser, delivery router, alias database
> rebuilder, queue pretty printer, SMTP client, etc.--most of which are
> just dead weight.
They aren't dead weight. Each of those steps still has to happen for
> If they used a modular MTA like qmail or VMailer, they'd only have to
> fork an SMTP daemon for each connection.
That goes as far as writing the queue file. Now what?