Amira Othman:
> Comcast requires that all mail servers must have a PTR record with
> a valid Reverse DNS entry. Currently your mail server does not
> fill that requirement. For more information, refer to:
> http://worknetkc.st.comcastsupport.com/sdccommon/asp/defcontent_view.asp?
> ssfromlink=true&sprt_cid=bb859780-1131-4fbf-b307-4798d1e628f0)
You need to set up a PTR record for your server's IP address, an A
record that resolves the name in the PTR record to your server's
IP address, and perhaps Postfix needs to be configured to send
"EHLO" with the name in the PTR record. All this has nothing to
do with the MX record.
Wietse
