topic Re: sendmail + multiple smart host entry in Operating System - HP-UX

sendmail + multiple smart host entry

ankurp — Thu, 21 Apr 2005 06:58:32 GMT

Hi frineds,

need help to add more DS enteries ( smart host entry ) in sendmail.cf for redundancy.
In linux we can add more DS enteries as
DSserver1, server2
so that we have 2 smart hosts.
but that doestnt work on hp unix.

pls. help.

rgds
Ankur

Re: sendmail + multiple smart host entry

Henk Geurts — Thu, 21 Apr 2005 07:09:13 GMT

hi
check this link
http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=266228
looks like you have to use DNS....

regards.

Re: sendmail + multiple smart host entry

ankurp — Thu, 21 Apr 2005 07:13:12 GMT

no i dont to use that DNS option.
want this DS entry thing workin.

rgds
Ankur

Re: sendmail + multiple smart host entry

renarios — Thu, 21 Apr 2005 07:23:09 GMT

Hi Ankur,

I can remember something like using "FallbackSmartHost" in the sendmail configuration.

Hope I helped,

Renarios

Re: sendmail + multiple smart host entry

Steven E. Protter — Thu, 21 Apr 2005 08:30:54 GMT

Sendmail's hp implementation is standard on HP-UX.

There should be no problem doing what you do on Linux on HP-UX.

The doc on the last post is available at http://www.sendmail.org

Starting and stopping sendmail is different on hp-ux

/sbin/init.d/sendmail stop
/sbin/init.d/sendmail start

SEP

Re: sendmail + multiple smart host entry

Geoff Wild — Thu, 21 Apr 2005 09:06:00 GMT

In sendmail.cf:

# fallback MX host. If specified, this host acts as a very low priority MX
# on every host. THis is intended to be used by sites with poor network
# connectivity.
O FallbackMXhost=backupmailservername

But that will only work if the one in DS is down...

DNS is better equiped to handle this via multiple MX records...basically - you create a "dummy" host - call it smtphost - and point it to:

smtphost.yourdomain.com. 3600 IN MX 20 realmailserver1.yourdomain.com.
smtphost.yourdomain.com. 3600 IN MX 10 realmailserver2.yourdomain.com.

Rgds...Geoff

Re: sendmail + multiple smart host entry

ankurp — Fri, 22 Apr 2005 00:47:01 GMT

very thanks
renarios , steven E Protter , Geoff Wild
for ur help.
Mine is sendmail 8.9.3 , hope ur solution works on this.

thanks once again.

rgds
Ankur

Re: sendmail + multiple smart host entry

ankurp — Fri, 22 Apr 2005 05:30:01 GMT

thanks