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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!news.mel.connect.com.au!munnari.OZ.AU!news.Hawaii.Edu!news.uoregon.edu!ddsw1!news.mcs.net!www.nntp.primenet.com!nntp.primenet.com!feed1.news.erols.com!howland.erols.net!news.mathworks.com!uunet!in2.uu.net!128.248.178.247!koobera.math.uic.edu!djb From: djb@koobera.math.uic.edu (D. J. Bernstein) Message-ID: <1996Dec1121.15.26.13717@koobera.math.uic.edu> Date: 11 Dec 1996 21:15:26 GMT Newsgroups: comp.mail.sendmail,comp.mail.smail,comp.unix.bsd.freebsd.misc Subject: Re: Sendmail vs. Smail... References: <57tf61$gq7@raven.eva.net> <58h6r1$8ik@ezekiel.eunet.ie> <1996Dec1005.15.53.2968@koobera.math.uic.edu> <58mchc$d6o@ezekiel.eunet.ie> Organization: IR Lines: 28 Xref: euryale.cc.adfa.oz.au comp.mail.sendmail:35049 comp.mail.smail:2688 comp.unix.bsd.freebsd.misc:32419 In article <58mchc$d6o@ezekiel.eunet.ie>, Nick Hilliard <nick@eunet.ie> wrote: > ... at the expense of running 10 extra delivery daemons on your local system > and using 10x traffic. What percentage of your mail volume consists of messages with 10 recipients on the same system? > this is a mighty inefficient use of resources. Profile. Don't speculate. Measurements at three sites showed that qmail generates less traffic than sendmail. (The biggest savings in each case came from DNS lookups.) > CAPITAL LETTERS or not, if an ISP or end-user system cannot handle 10 RCPT's > on one SMTP connection, that's their problem and it's their job to fix it. Sorry, they don't have the money to buy the extra network capacity. The fact remains that you've failed to get the mail through. > Additionally in this case, if the problem with this site is line overload, > sending 10 copies of the email is just making this user's line overload > problem even worse than it already is. Nonsense. The repeated connections, failing every time, used _thousands_ of packets---vastly more than qmail. ---Dan Put an end to unauthorized mail relaying. http://pobox.com/~djb/qmail.html