[CentOS]thnkss: off topic question plss need ur help

fabian dacunha fabian at baladia.gov.kw
Tue Jul 15 07:15:02 UTC 2008

Thanks Scott

i did actually down my primary server n w8ed n got the mail which was sent
but actually did not see the header from my secondary mail server

i will test it again

really apprecitte

thnks once again



> on 7-14-2008 1:45 PM fabian dacunha spake the following:
>> Dear All,
>> I have been using centos 5.1 for quite some time as out DNS and mail
>> server
>> and been workin fine
>> i use sendmail as my mail server
>> i did setup a backup mail server as per docs and ran th dns test from
>> http://www.checkdns.net
>> and it says both the mail servers are fine
>> but i would like to know the following
>> how would i really know if my main primary server is down all my mails r
>> goin to my secondary mail server
>> and when my primary is up are the mails copied back to my primary
>> i did put down my mail server for abt 3 hrs cause cant keep it down for
>> long but did not really see anything
>> also are there any websites that can chec both my mail servers correctly
>> apprecite and thnaks
> A real simple test would be to bring down the primary and send yourself
> something from an outside address like yahoo or gmail. give it 10 or 15
> minutes, bring the primary up and when you see the message to yourself, it
> should have a header from your backup server also.
> --
> MailScanner is like deodorant...
> You hope everybody uses it, and
> you notice quickly if they don't!!!!
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