I'm using the stock version of Sendmail that come with Red Hat 6.2
(Sendmail 8.9.3)
I'm trying to setup backup mail servers, and my MX records in my named
files look like this:
IN MX 10 mail1.mydomain.com.
IN MX 20 mail2.mydomain.com.
I can get mail successfully at mail1.mydomain.com. However when I shutdown
mail1's sendmail server, I see the follow errors in the log files of
mail2.mydomain.com.
Jan 9 22:55:55 ns4 sendmail[15332]: WAA15332: ruleset=check_rcpt,
arg1=<wguy@my
domain.com>, relay=ont-cvx2-26.linkline.com [64.30.218.26], reject=550 <wguy@
mydomain.com>... Relaying denied
I remember setting this up for redhat 5.2, and I had to put the domains I
wanted backup mail for in a file called /etc/mail/relay_allow, and make
sure that domain wasn't in my /etc/sendmail.cw file. I also remember
editing the /etc/sendmail.cf file with some funny rulesets. I have
searched high and low on the sendmail.org site, and I don't see anything
that says backup mail server.
Is the new sendmail smart enough to check the DNS settings and see if it is
a backup mail server? Any suggestions on how to fix my problem up above?
Thanks,
Wes
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