OSEC

Neohapsis is currently accepting applications for employment. For more information, please visit our website www.neohapsis.com or email hr@neohapsis.com
Re: Use MX record when sending to $mydomain

contactrusanu.com
Date: Thu Nov 19 2009 - 10:22:19 CST


Thanks Ansgar,

As I copied the output of postconf something did stood out as 'fix
me': the $mydestination included $mydomain, I changed $mydestination
to be localhost only and it works fine.

Regards,
~ Remus

On Nov 19, 2009, at 12:25 AM, Ansgar Wiechers wrote:

> On 2009-11-18 contactrusanu.com wrote:
>> I'm using sendmail to send to "someusermydomain.com" from the
>> machine
>> that is the A DNS of mydomain, but is not the MX one. postfix relays
>> this to 127.0.0.1 and it gets rejected with 450 user unknown. I want
>> it to use the normal rules and deliver it to the MX registered
>> address
>> for "mydomain.com", where my pop box is.
>>
>> I looked over the main.cf but nothing jumped out 'fix me here' to
>> solve this. Any hint?
>
> Please post the output of "postconf -n". And if you must obfuscate
> your
> domain name, please use names from RFC 2606. They're reserved for
> exactly this purpose.
>
> Regards
> Ansgar Wiechers
> --
> "All vulnerabilities deserve a public fear period prior to patches
> becoming available."
> --Jason Coombs on Bugtraq