[cobalt-users] Raq3 Sendmail can't gethostbyaddr. Is that wrong?

[Cobalter <xtraprss@xxxxxxxxxxxxx>]

I'm not sure if this is a sendmail or DNS issue (yup, I'm new to this email 
and DNS thing), but if anybody could help, I'd be greatly thrilled.

I keep getting the following errors, which show up as Security Violations 
in logcheck (mail.host.ip.address is, of course, the server's own IP 
address). Can anybody give me a clue as to what I should check first?



Mar 6 14:39:07 www sendmail[11140]: gethostbyaddr(mail.host.ip.address) 
failed: 1
Mar 6 15:16:05 www sendmail[13444]: gethostbyaddr(mail.host.ip.address) 
failed: 1
Mar 6 15:16:57 www sendmail[13507]: gethostbyaddr(mail.host.ip.address) 
failed: 1
Mar 6 15:29:34 www sendmail[14317]: gethostbyaddr(mail.host.ip.address) 
failed: 1
Mar 6 15:35:49 www sendmail[14767]: gethostbyaddr(mail.host.ip.address) 
failed: 1
Mar 6 15:37:42 www sendmail[14913]: gethostbyaddr(mail.host.ip.address) 
failed: 1
Mar 6 15:39:35 www sendmail[15026]: gethostbyaddr(mail.host.ip.address) 
failed: 1
Mar 6 15:51:49 www sendmail[15869]: gethostbyaddr(mail.host.ip.address) 
failed: 1
Mar 6 15:54:46 www sendmail[16042]: gethostbyaddr(mail.host.ip.address) 
failed: 1


Thanks!