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Posted to server-dev@james.apache.org by "Ant Kutschera (JIRA)" <se...@james.apache.org> on 2006/12/18 19:28:21 UTC

[jira] Created: (JAMES-746) Reverse DNS Lookup Fails for Virtual Accounts

Reverse DNS Lookup Fails for Virtual Accounts
---------------------------------------------

                 Key: JAMES-746
                 URL: http://issues.apache.org/jira/browse/JAMES-746
             Project: James
          Issue Type: Bug
          Components: James Core
    Affects Versions: 2.2.0
         Environment: Linux, Java 5
            Reporter: Ant Kutschera


My server runs multiple domains. I use the JDBC Virtual Host mailet. Everything normally works fine, but if the user sends email to AOL or other picky domains, the mails bounce, and it complains rDNS is not set correctly. Searching on sites like www.dnsstuff.com I am sure that the reverse DNS is configured properly. It seems that AOL looks at the server name given in the protocol, as opposed to the "from" address, and does a  reverse lookup and compares to that name. But that name is taken from the server name, not the virtual account name, so at best I can get one domain to work if I give the server the same name as that one domain.

James should be putting the domain name from the users account into the protocol, not the server name, if it truly supports virtual hosting.

Cheers,
Ant


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[jira] Commented: (JAMES-746) Reverse DNS Lookup Fails for Virtual Accounts

Posted by "Arjan Veenstra (JIRA)" <se...@james.apache.org>.

    [ http://issues.apache.org/jira/browse/JAMES-746?page=comments#action_12460462 ] 
            
Arjan Veenstra commented on JAMES-746:
--------------------------------------

$ host mail.maxant.co.uk
mail.maxant.co.uk has address 65.23.156.242

So i assume you're james server is running on the machine with ip-address 65.23.156.242. If this is not the case everything below is useless ;-)

$ host 65.23.156.242
242.156.23.65.in-addr.arpa domain name pointer maxant.co.uk.

The'official' name of this machine appears to be maxant.co.uk. You should use this as your servername.

$ host maxant.co.uk
maxant.co.uk has address 65.23.156.242

And maxant.co.uk than indeed points back to the name James will use in the HELO command when sending mail to AOL.

I think this should solve the issue, but i'm not entirely sure since the AOL webpage in the error is not entirely clear. It seems to suggest there is no reverse DNS record *at all* for the ip-adres you are sending mail from, which is not true, alt least not for 65.23.156.242.

> Reverse DNS Lookup Fails for Virtual Accounts
> ---------------------------------------------
>
>                 Key: JAMES-746
>                 URL: http://issues.apache.org/jira/browse/JAMES-746
>             Project: James
>          Issue Type: Bug
>          Components: James Core
>    Affects Versions: 2.2.0
>         Environment: Linux, Java 5
>            Reporter: Ant Kutschera
>
> My server runs multiple domains. I use the JDBC Virtual Host mailet. Everything normally works fine, but if the user sends email to AOL or other picky domains, the mails bounce, and it complains rDNS is not set correctly. Searching on sites like www.dnsstuff.com I am sure that the reverse DNS is configured properly. It seems that AOL looks at the server name given in the protocol, as opposed to the "from" address, and does a  reverse lookup and compares to that name. But that name is taken from the server name, not the virtual account name, so at best I can get one domain to work if I give the server the same name as that one domain.
> James should be putting the domain name from the users account into the protocol, not the server name, if it truly supports virtual hosting.
> Cheers,
> Ant

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