James D. Parra wrote:
> I am getting the following error when sending to the below mail server. I
> added the name of our internal relay server to our public dns and a ptr
> record, but I am still getting the error below.
>
> <snip>
> host mxi4p.craigslist.org[208.82.236.164]
> said: 554 5.7.1 <unknown[207.47.100.34]>: Client host rejected: rDNS/DNS
> validation failed. Please setup matching DNS and rDNS records:(in reply
> to RCPT TO command)
> <snip>
>
> Is there something else I need to add the postfix server? This is an
> internal mail relay server, behind a firewall and not accessible to the
> public. It only sends mail for our internal users and does not receive mail.
% host 207.47.100.34
34.100.47.207.in-addr.arpa domain name pointer
207.47.100.34.static.musicreports.com.
% host 207.47.100.34.static.musicreports.com
Host 207.47.100.34.static.musicreports.com not found: 3(NXDOMAIN)
^^^^^^^^^^^^^^^^^^^^^^
Fix that.
--
Sahil Tandon <[email protected]>
