[Pkg-exim4-users] multiple domains and reverse dns

Robert Van Horn rvh at abcreek.wisequackranch.com
Tue Dec 4 20:28:18 UTC 2007

Talk your isp into opening port 25 for you
and letting you run your own nameserver Then you could 
include a subnet file that would fix reverse lookups.


On Tue, Dec 04, 2007 at 09:36:49AM +0000, graham wrote:
> Hi,
> This question may be showing my ignorance about the basic functioning of
> mail or dns as much as of exim; if so, and you know a better place to
> ask, please point me there. I can't find the answer in the FAQ.
> I have a single computer handling several domains each with a real IP
> address. This works fine for web sites, and for receiving mail. It also
> works for sending mail, except that a reverse dns lookup of the 'from'
> ip address does not necessarily match the domain in the reply-to
> address, causing my outgoing emails to be rejected as spam by many systems.
> How do I get the 'from' ip address of my outgoing mail to match the
> domain in the reply-to field?
> (I am using IMAP with thunderbird as client and my outgoing smtp server
> set as my ISP)
> Thanks for any advice
> Graham
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