Author: Derek Broughton Date: To: Exim Users Mailing List Subject: Re: [Exim] double check DNS
From: "Greg A. Woods" <woods@???>
> If you've got a _roaming_ private host, and if you cannot figure out how > to make this configuration learn its proper external hostname, then it > has absolutely zero business ever talking SMTP out through a NAT to the > real public Internet. Period. No if's and's, or but's.
I've got no problem with that... >
> The SMTP client "MUST" send the canonical hostname for its source
> address, or a literal representation of that address.
So where exactly is the problem? If his free-roaming host uses its
own smtp server (he's obviously never been behind some of the
firewalls I use - you get out through _their_ smtp server or not at
all), he can always HELO with the IP.
--
derek