i recieved this today from a zimbra account
<email@example.com>: host hwchp.houwire.com[18.104.22.168] said: 421 hwchp has
refused your connection because your server did not have a PTR record. (in
reply to MAIL FROM command)
can someone tell me how to setup a PTR record and do i need to understand what a PTR record is in order to use Zimbra.
Thanks in advance.
Fedora Core4 Zimbra 3.0