[BlueOnyx:03488] Re: misconfigured vsite DNS- 220 banner and mail from: issue

[Larry Smith]

On Fri February 5 2010 02:51, Brian M wrote:
> Hi all-
>
> Somehow I seem to have the vsites DNS on BX messed up.  I had this working
> on SB and earlier on BQ.  I didn't migrate anything, this is a BX tarball
> install onto CentoOS 5.
>
> On my former SB install, I had the 220 banner showing as domain.com.  This
> is how my registered MX points, as I just use this for trying things out
> and I haven't registered a host.domain.com just for the MX.
>
> On BX, though, with the same DNS on BX set the same way as ealier, mail
> comes out from:user at host.domain.com <from%3Auser at host.domain.com> for a
> given vsite, and the 220 banner is host.domain.com.
> Where host is whatever I name the BX box itself.  If I choose the option to
> force email domain, emails come out as user at domain.com but the 220 is still
> host.domain.com, where host is again the name of the box.
>
> I can  register one mail.domain.com DNS entry and name the box itself that,
> but that  doesn't help me figure out why I can't get the behavior I had
> before, nor fix the from: addresses.
>
> mail.example.com forward IP
> www.example.com forward IP
> example.com           forward IP
> example.com   MX  mail.example.com
> www.example.com   MX mail.example.com
>
> is my setup on both BQ, SB, and BX.
>
> How do I get my from: to reflect user at domain.com and not host.domain.com,
> and how do I get my 220 banner to be just domain.com?
>
> I don't see where I have it misconfigured yet.
>
> thanks,
>
> Brian

Brian,

  Check the /etc/hosts file on the box and make sure it is
correct for the IP address(es) and host names.  Believe the
syntax of the sendmail.cf is to check the "name" of the IP
from the host file and use that in the 220 response.

-- 
Larry Smith
lesmith at ecsis.net