Summary: A question about sendmail configuration

OK, I will try for the last time. Maybe the email address I used was wrong.
Sorry.


Chi

> -----Original Message-----
> From:	Chi, Xiaochen 
> Sent:	Tuesday, December 04, 2001 9:35 AM
> To:	'sunmanagers-admin@sunmanagers.org'
> Subject:	FW: Summary:  A question about sendmail configuration
> 
> Hi,
> 
> I sent this summary last week, but did not receive it. Not sure what
> happened. Anyway, I send it again. My apology if you received it already.
> 
> 
> Chi
> 
> -----Original Message-----
> From:	Chi, Xiaochen 
> Sent:	Tuesday, November 27, 2001 10:44 AM
> To:	'sunmanagers-admin@sunmanagers.org'
> Subject:	Summary:  A question about sendmail configuration
> 
> Thanks to 
> Trevor Paquette
> Mark Hargrave
> Hamid Ouyachi
> Frank Huang
> Ed Mitchell
> 
> Trevor suggested to set up the MX failover/fallback option and very kindly
> provided the following mc file
> ---
> divert(0)dnl
> VERSIONID(`$Id: base.mc,v 1.3 2001/10/24 20:45:40 tpaqu1k Exp tpaqu1k
> $')dnl
> OSTYPE(solaris2)dnl
> define(`confFALLBACK_MX', `smartsmtp.domain.com')dnl
> FEATURE(`nocanonify')dnl
> FEATURE(nullclient,smartsmtp.domain.com)dnl
> MASQUERADE_AS(`$j')
> ---
> Here smartsmtp.domain.com is the hostname of the server to send all
> outbound email to. 
> 
> It works. With this cf file, sendmail will not check with MX records with
> the internal DNS server and send every outbound mail to our mailhost.
> BTW, it seems what is important here is the feature `nocanonify'.  I tried
> the following mc file. It works as well.
> ---
> divert(0)dnl
> VERSIONID(`@(#)main-v7sun.mc    1.2 (Sun) 01/27/98')
> OSTYPE(solaris2.ml)dnl
> DOMAIN(solaris-generic)dnl
> MAILER(local)dnl
> MAILER(smtp)dnl
> define(`SMART_HOST', `mailhost.$m')dnl
> FEATURE(`nocanonify')dnl
> ---
> 
> Thanks again.
> 
> 
> Chi
> 
> 
> My original Question was: 
> > Hi All,
> > 
> > I have a problem with the sendmail configuration to allow the users to
> send
> > an email from Sun servers (Solaris 2.6 and 8) to the Internet. The
> servers
> > stay in the internal network and have no knowledge about the Internet,
> > because our internal DNS server can not resolve any external hostname
> and
> > doesn't contain any MX record for outside domains. There is a mail
> server in
> > our network who knows how to send the emails outside. So I define the
> Smart
> > Host in sendmail.cf to forward all outbound mails to the "relay" host.
> > However it works only for the email addresses in our own domain. Because
> > sendmail relies on DNS server to resolve the domain part in the address,
> > sendmail gets time out in name resolution and doesn't forward the mail
> to
> > the mail server. The mails are put into the queue and tried later, but
> with
> > the same result.
> > 
> > # /usr/lib/sendmail -t -v sdm_test7@hotmail.com < /dev/null
> > sdm_test7@hotmail.com... hotmail.com: Name server timeout
> > sdm_test7@hotmail.com... Transient parse error -- message queued for
> future
> > delivery
> > sdm_test7@hotmail.com... queued
> > 
> > sendmail did not even connect to the mail server. However if I sent the
> mail
> > to an address in our domain, I got
> > 
> > # /usr/lib/sendmail -t -v tester@my.domain < /dev/null      
> > tester@my.domain ... Connecting to  mailhost.my.domain  via relay...
> > 220 mailhost.my.domain ESMTP Server (Microsoft Exchange Internet Mail
> > Service 5.5.2653.13) ready
> > >>> EHLO myhost.my.domain
> > 250-mailhost.my.domain Hello [myhost.my.domain]
> > 250-XEXCH50
> > 250-HELP
> > 250-ETRN
> > 250-DSN
> > 250-SIZE 0
> > 250-AUTH LOGIN
> > 250 AUTH=LOGIN
> > >>> MAIL From:<root@myhost.my.domain>
> > 250 OK - mail from <root@myhost.my.domain>
> > >>> RCPT To:< tester@my.domain>
> > 250 OK - Recipient < tester@my.domain>
> > >>> DATA
> > 354 Send data.  End with CRLF.CRLF
> > >>> .
> > 250 OK
> >  tester@my.domain... Sent (OK)
> > Closing connection to mailhost.my.domain.
> > >>> QUIT
> > 221 closing connection
> > 
> > I don't see any problem with the rule sets, except the failure with name
> > lookup
> > 
> > # /usr/lib/sendmail -bt
> > ADDRESS TEST MODE (ruleset 3 NOT automatically invoked)
> > Enter <ruleset> <address>
> > > 3,0 sdm_test7@hotmail.com
> > rewrite: ruleset   3   input: sdm_test7 @ hotmail . com
> > rewrite: ruleset  96   input: sdm_test7 < @ hotmail . com >
> > hotmail.com: Name server timeout
> > rewrite: ruleset  96 returns: sdm_test7 < @ hotmail . com >
> > rewrite: ruleset   3 returns: sdm_test7 < @ hotmail . com >
> > == Ruleset 3,0 (3) status 75
> > rewrite: ruleset   0   input: sdm_test7 < @ hotmail . com >
> > rewrite: ruleset 199   input: sdm_test7 < @ hotmail . com >
> > rewrite: ruleset 199 returns: sdm_test7 < @ hotmail . com >
> > rewrite: ruleset  98   input: sdm_test7 < @ hotmail . com >
> > rewrite: ruleset  98 returns: sdm_test7 < @ hotmail . com >
> > rewrite: ruleset 198   input: sdm_test7 < @ hotmail . com >
> > rewrite: ruleset  95   input: < mailhost . mydomain > sdm_test7 < @
> hotmail
> > . com >
> > rewrite: ruleset  95 returns: $# relay $@ mailhost . my . domain $:
> > sdm_test7 < @ hotmail . com >
> > rewrite: ruleset 198 returns: $# relay $@ mailhost . my . domain $:
> > sdm_test7 < @ hotmail . com >
> > rewrite: ruleset   0 returns: $# relay $@ mailhost . my . domain $:
> > sdm_test7 < @ hotmail . com >
> > > 
> > 
> > I am not familiar with sendmail :-( I just looked through quickly some
> FAQs
> > and tried some thing like creating a new sendmail.cf by using
> > FEATURE(`nodns') or FEATURE(`accept_unresolvable_domains'), but with no
> > luck. 
> > 
> > Can sb. help me to set up the configuration to allow forwarding outbound
> > non-local mails to the mail server? I will summarize. TIA
> > 
> > 
> > Chi
> > _______________________________________________
> > sunmanagers mailing list
> > sunmanagers@sunmanagers.org
> > http://www.sunmanagers.org/mailman/listinfo/sunmanagers
> >