> One could argue that you are *not* complying by using a generic PTR > for a mail server. Some would say that a serious mail server should > have proper DNS records, others will say that you should accept mail > from any IP no matter what.
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. Cheers, Michael Holstein Cleveland State University