On Wed, Dec 05, 2001 at 05:23:04PM -0800, Kevin Sindhu wrote:
> Whew...Ok, so I did send mail to the right person, even if it wasn't
> the correct e-mail address.
postmaster at sf.net is the correct address. I just do this on my spare
time, I have a real job :-)
(the alias goes to other people than just me. It's just like you ask a
question here instead of Emailing Philip)
> Ah, I see. The reason I sent this mail to postmaster@ and exim-users@
> was to confirm whether the claim I was making was correct or not.
> Plus, I wanted some feedback on this from the list as well.
I know, it's sometimes tempting, but with spam issues, restricted posting
lists and so forth, it doesn't work too well in real life.
> > The exim and the OS on sf.net are not IPV6 fully aware. They
> > probably will be at some point, but they aren't yet.
>
> Ah right... But in this case, all they would need to do is check if
> the sending host has an AAAA pointer in the DNS.
The debug log I sent shows it does.
> > That said, it should then fallback to your IPV4 MXes, and it seemed
> > to when I ran it in debug mode:
>
> Yup. This is the correct behavior. In case a machine cannot talk IPv6
> it sends it to a IPv4 MX which then re-sends it to the IPv6'd host...
Which is what exim seemed to do.
> > I'd say that whatever issue was there when exim outputted this:
>
> This is weird.. IMO, the error message would be very helpful to
> machines which do indeed do something like this. However now if its
> suddenly not doing this....umm that's bizarre.
Yeah, I can't tell you if there was a DNS failure or some other problem.
> Anyways, what does the sf MTA check here? HELO=$domain string?
If you had read my previous posts on the subject, you'd know that my opinion
on the subject is that checking HELO brings nothing and blocks legitimate
mails, so I obviously don't have any kind of HELO checking :-)
Marc
--
Microsoft is to operating systems & security ....
.... what McDonalds is to gourmet cooking
Home page:
http://marc.merlins.org/ | Finger marc_f@??? for PGP key
