>
> > Eric and I have argued on this point before; but the recent sendmail
> > releases are quite efficient and IMHO as or more efficient than
> > SMTP+MAILER.
>
> Sendmail 8.6.x is acceptably fast; it's nowhere near the speed of
> MMDF or zmailer on the same hardware. Unfortunately, sendmail
> 8.6.x is not what most sites are running -- remember, at least
> one major 3-letter vendor is still shipping a non-MX capable
> sendmail as the default sendmail binary. Without significant
> investment in installing a decent version of sendmail, the
> performance of sendmail on most Unix systems is still absolutely
> abysmal.
 
        IMHO any system which includes a file like
        sendmail.cf which people can tinker with
        is severely under-designed.  Mail systems
        should not be tailored.  Mail systems
        should have simple addresses and tailoring
        should be unnecessary.