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 72.35.68.58 > > # host 72.35.68.58 > 58.68.35.72.in-addr.arpa domain name pointer > creativeprogramdesigners.com. > > 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. Ralph -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 189 bytes Desc: not available URL: <http://lists.centos.org/pipermail/centos/attachments/20080925/6beba64a/attachment-0005.sig>