[CentOS] Re: DKIM
ra+centos at br-online.de
Thu Sep 25 11:15:16 UTC 2008
Craig White wrote:
> well it's not just yahoo as I know for certain that AOL also requires
> reverse DNS to match just like all the mail servers that I maintain also
> require matching reverse DNS.
> Your problem - if you actually want to solve it instead of tossing the
> blame to others like yahoo is...
> # host mail.creativeprogramdesigners.com
> mail.creativeprogramdesigners.com has address 126.96.36.199
> # host 188.8.131.52
> 184.108.40.206.in-addr.arpa domain name pointer
> the forward doesn't match the reverse - it's that simple. Why not just
> fix it?
Because it is *NOT* needed. I have several machines which have lots of
A records for just one ip address. But only one name when I do a reverse
lookup. Anyone checking for that shouldn't be allowed to receive mail.
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