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Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!simtel!swidir.switch.ch!scsing.switch.ch!news.dfn.de!server2.rz.uni-leipzig.de!news.th-zwickau.de!news.tu-chemnitz.de!irz401!uriah.heep!not-for-mail From: j@uriah.heep.sax.de (J Wunsch) Newsgroups: comp.mail.sendmail,comp.unix.bsd.freebsd.misc Subject: Re: Please Help: Name server timeouts from sendmail Date: 9 Oct 1995 09:27:58 +0100 Organization: Private FreeBSD site, Dresden. Lines: 24 Message-ID: <45amee$1ah@uriah.heep.sax.de> References: <451uoc$4o5@agate.berkeley.edu> <4545rk$o14@zuul.nmti.com> NNTP-Posting-Host: uriah.heep.sax.de Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Keywords: sendmail bind named dns freebsd firewall timeout queue smart host Xref: euryale.cc.adfa.oz.au comp.mail.sendmail:20911 comp.unix.bsd.freebsd.misc:7081 Peter da Silva <peter@nmti.com> wrote: >I have the same problem. You have to tell tiyr mc file: > >FEATURE(nodns)dnl >FEATURE(nocanonify)dnl > >Now the problem is that if you do this, sendmail doesn't use DNS at *all*. >And if you tell sendmail to use DNS, it uses it in preference to SMART_HOST. > >I gave up and created a /etc/hosts file for all the internal stuff, but I >really think that FEATURE(nodns) shouldn't override the system configuration >(like, if you have /etc/resolv.conf then trust it, even if you're not using >DNS for email address resolution...). I think it actually does still use DNS to resolve the host names (for delivery), but it doesn't attempt to canonify the addresses by their MX records. The only drawback is that each host has to know about its own MX aliases in terms of its Cw macro. -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)