Hi all,   I have setup a mail server for my small company, and because the PTR record(reverse dns) is not set correctly, some mails are regarded as junk mail by hotmail server. I searched online there is a TPG email dns@tpg.com.au for setting dns, but when I try to send request, my mail(gmail) is rejected by TPG mail server, it seems like this account is not available now. How can I change the PTR record? Or who should I exactly contact to help me resolve this problem?   Many thanks! ... View more