Ah thanks much clearer now.
On Thu, 2004-05-20 at 12:32, Giuliano Gavazzi wrote:
> At 12:16 pm +0100 2004/05/20, Ron McKeating wrote:
> [...]
> >2004-05-19 00:01:14 F=<Elviragbp@???> RCPT
> ><d.gillingwater@???>: Bad HELO: ggyxnij (unqualified-helo)
> >
> >Is the Elviragbp@??? connecting to our server and asking to send
>
> it is not Elviragbp@??? connecting to your server, it is
> 12.218.115.74 connecting, as you can see below
>
> >mail to <d.gillingwater@???> and we accept that though we log the
> >unqualified domain in the helo, then
>
> have your logs a little less detailed and you will not even see that line...
>
> >2004-05-19 00:01:14 H=12-218-115-74.client.mchsi.com (ggyxnij)
> >[12.218.115.74] sender verify fail for <Elviragbp@???>: all
> >relevant MX records point to non-existent hosts or (invalidly) to IP
> >addresses
> >
> >This is checking that z45rcv.com is valid (which it isn't as a dig
> >lookup gives
> >
> >;; ANSWER SECTION:
> >z45rcv.com. 1152 IN MX 10 218.106.116.147.
> >
> >and I assume from the log entry that this should be a hostname not an ip
> >address. So it does not matter whether mchsi.com is valid or not just
> >the senders domain.
>
> of course. It is sender verify after all, not connecting server PTR verify...
>
> >Why did the header change from HELO: ggyxnij in the first log entry to
> >H=12-218-115-74.client.mchsi.com (ggyxnij), why is this helo bad?
>
> what header are you talking about? Nothing has changed. The string
> after the H= is the PTR (reverse DNS) for the incoming IP, the string
> in parenthesis is the HELO argument.
>
> >2004-05-19 00:01:14 H=12-218-115-74.client.mchsi.com (ggyxnij)
> >[12.218.115.74] F=<Elviragbp@???> rejected RCPT
> ><d.gillingwater@???>: Sender verify failed
> >
> >Then we reject the message. Is this correct, I just want to be sure I
> >have understood it properly.
>
> of course it is correct, it is exim doing it after all!
>
> Giuliano
>
> --
>
> ## List details at http://www.exim.org/mailman/listinfo/exim-users Exim details at http://www.exim.org/ ##
--
Ron McKeating
Senior IT Services Specialist
Internet Services and Software Solutions
Loughborough University
01509 222329
