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tristanlee85 · #1 15th April 2007, 06:58

Code:

The original message was received at Thu, 12 Apr 2007 13:43:57 -0400 (EDT)
from cpe-24-95-42-77.columbus.res.rr.com [24.95.42.77]

   ----- The following addresses had permanent fatal errors -----
<95sl2@optonline.net>
    (reason: 450 4.1.8 invalid/host-not-in-DNS return address not allowed)

   ----- Transcript of session follows -----
... while talking to mx2.optonline.net.:
>>> >>> MAIL From:<apache@server.vasceria.com> SIZE=1559 BODY=8BITMIME
<<< 450 4.1.8 invalid/host-not-in-DNS return address not allowed
... while talking to mx1.optonline.net.:
>>> >>> MAIL From:<apache@server.vasceria.com> SIZE=1559 BODY=8BITMIME
<<< 450 4.1.8 invalid/host-not-in-DNS return address not allowed
<95sl2@optonline.net>... Deferred: 450 4.1.8 invalid/host-not-in-DNS return address not allowed
Message could not be delivered for 2 days
Message will be deleted from queue

I read that it might be because mail is coming from an IP address, not a DNS, but it looks like the DNS is shown so I doubt that's the issue.

tristanlee85 · #2 15th April 2007, 07:08

Also, in /etc/postfix/main.cf, I saw this:

Code:

# INTERNET OR INTRANET

# The relayhost parameter specifies the default host to send mail to
# when no entry is matched in the optional transport(5) table. When
# no relayhost is given, mail is routed directly to the destination.
#
# On an intranet, specify the organizational domain name. If your
# internal DNS uses no MX records, specify the name of the intranet
# gateway host instead.
#
# In the case of SMTP, specify a domain, host, host:port, [host]:port,
# [address] or [address]:port; the form [host] turns off MX lookups.
#
# If you're connected via UUCP, see also the default_transport parameter.
#
#relayhost = $mydomain
#relayhost = [gateway.my.domain]
#relayhost = [mailserver.isp.tld]
#relayhost = uucphost
relayhost = smtp-server.columbus.rr.com

I don't remember entering that host as my relayhost (though it is correct).

falko · #3 15th April 2007, 11:48

From what domain are you sending?

tristanlee85 · #4 15th April 2007, 21:26

Quote:

Originally Posted by falko

From what domain are you sending?

It's sending from http://forums.plastikracing.net .

edge · #5 15th April 2007, 21:37

I think that it's a "message" from vasceria.com, saying that it can not find your MX.

Have a look at your MX record and see if you can fix it.

tristanlee85 · #6 15th April 2007, 21:59

Mail sends to other users though, just not that address. I was thinking it was return from his ISP.

Also, I followed that link and yes, both of my name servers are from the same location. That's not something I'm too worried about. I don't know how I would be able to use a name server at a different location because I only have 1 IP address.

In the DNS Manager, I select plastikracing.net as the domain and this is what shows for the MX records:

Code:

  Mailserver  	          Hostname 
  server.vasceria.com  	  www 
  server.vasceria.com  	  tristan 
  server.vasceria.com  	  forums

edge · #7 15th April 2007, 22:37

My error.. That is what I meant to say.. it's a "message" from the ISP who you are send that mail message to.

I think that the reasoin is because of the MX reccord error.