Michael Holstein wrote:
No, we do have it correct .. they wanted us to fix all the *other* ones (that can't even send mail because they're firewalled from doing so) ..
$ dig -t mx csuohio.edu [..] ;; ANSWER SECTION: csuohio.edu. 10800 IN MX 10 antispam5.csuohio.edu. csuohio.edu. 10800 IN MX 10 antispam4.csuohio.edu. csuohio.edu. 10800 IN MX 10 antispam3.csuohio.edu. csuohio.edu. 10800 IN MX 10 antispam2.csuohio.edu. [..] ;; ADDITIONAL SECTION: antispam5.csuohio.edu. 10800 IN A 137.148.19.13 antispam4.csuohio.edu. 10800 IN A 137.148.18.13 antispam3.csuohio.edu. 10800 IN A 137.148.18.21 antispam2.csuohio.edu. 10800 IN A 137.148.19.12
(and)
13.19.148.137.in-addr.arpa domain name pointer antispam5.csuohio.edu. 13.18.148.137.in-addr.arpa domain name pointer antispam4.csuohio.edu. 21.18.148.137.in-addr.arpa domain name pointer antispam3.csuohio.edu. 12.19.148.137.in-addr.arpa domain name pointer antispam2.csuohio.edu.
Ah, I must have misread. Yeah that's pretty much the accepted way to do DNS for mail servers. ~Seth