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tansu

Verified User
Joined
Jul 31, 2008
Messages
80
Hi everyone,
I do not remember what I changed in DA. I installed custombuild a while ago, maybe there is a relation.
All my mails through php, stays in mail queue. But only gmail can deliver mails. Any other can not, including hotmail, yahoo and all.
One more, e-mail recipients seems different than the mail address provided ind the php forms. They seem they are some kind of ISP address of mine. here is the screeny:


What can I do?
Thanks
 

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here is an example log:
Code: 
2008-12-19 18:25:11 Received from [email protected] U=baris P=local S=1423 [email protected] T="[Beyn] \"17 Aralık 2008 tarihli günümün özeti\" Yazısında Yeni Yorum"
2008-12-19 18:25:22 SMTP error from remote mail server after RCPT TO:<[email protected]>: host antispam.ihsdnsx11.com [216.246.89.40]: 450 Domain in Reverse-Path resolves to an invalid IP address
2008-12-19 18:25:22 [email protected] R=lookuphost T=remote_smtp defer (-44): SMTP error from remote mail server after RCPT TO:<[email protected]>: host antispam.ihsdnsx11.com [216.246.89.40]: 450 Domain in Reverse-Path resolves to an invalid IP address
2008-12-19 19:35:19 SMTP error from remote mail server after RCPT TO:<[email protected]>: host antispam.ihsdnsx11.com [216.246.89.40]: 450 Domain in Reverse-Path resolves to an invalid IP address
2008-12-19 19:35:19 [email protected] R=lookuphost T=remote_smtp defer (-44): SMTP error from remote mail server after RCPT TO:<[email protected]>: host antispam.ihsdnsx11.com [216.246.89.40]: 450 Domain in Reverse-Path resolves to an invalid IP address
2008-12-19 20:35:09 SMTP error from remote mail server after RCPT TO:<[email protected]>: host antispam.ihsdnsx11.com [216.246.89.40]: 450 Domain in Reverse-Path resolves to an invalid IP address
2008-12-19 20:35:09 [email protected] R=lookuphost T=remote_smtp defer (-44): SMTP error from remote mail server after RCPT TO:<[email protected]>: host antispam.ihsdnsx11.com [216.246.89.40]: 450 Domain in Reverse-Path resolves to an invalid IP address
2008-12-20 00:20:10 SMTP error from remote mail server after RCPT TO:<[email protected]>: host antispam.ihsdnsx11.com [216.246.89.40]: 450 Domain in Reverse-Path resolves to an invalid IP address
2008-12-20 00:20:10 [email protected] R=lookuphost T=remote_smtp defer (-44): SMTP error from remote mail server after RCPT TO:<[email protected]>: host antispam.ihsdnsx11.com [216.246.89.40]: 450 Domain in Reverse-Path resolves to an invalid IP address
2008-12-20 00:40:22 SMTP error from remote mail server after RCPT TO:<[email protected]>: host antispam.ihsdnsx11.com [216.246.89.40]: 450 Domain in Reverse-Path resolves to an invalid IP address
 
tansu said:
Domain in Reverse-Path resolves to an invalid IP address
Click to expand...
Here's what's happening:

The recipient (remote) mail server is looking up your IP# using rDNS lookup. It sees a domain name.

The it looks up that domain name, and finds an unroutable DNS address.

When it finds that, it presumes your nameserver is a rogue of some sort because otherwise why would you be hiding your server's real DNS address.

It's an anti-spam protection, and it's biting you because of your DNS setup.

Instead of giving us a bunch of similar lines from your log file, grepped from the file, you should post all the lines resulting from the delivery attempt of one email. Then we may be able to figure it out.

You can probably figure it out yourself by first noting the hostname under which your exim server sends email, then doing a DNS lookup to get the IP#.

The lookup the IP# in rDNS. Then lookup the result of the rDNS lookup in regular DNS. The rDNS lookup doesn't have to return the same domain as the one sending the mail, but it must return a domain with a valid IP#.

Jeff
 
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