On Thu, 20 Mar 2003, Rasjid Wilcox wrote:
>
> Okay, I will be more precise. Qmail does deal with the error code, it just
> doesn't deal with it in the way that I would like.
>
> From /var/log/qmail/current:
>
> @400000003e7858d51d7aaf2c delivery 231: deferral:
> Connected_to_210.9.200.225_but_my_name_was_rejected./Remote_host_said:_504_DNS_verification_of_sending_machine_failed:_no_mail_will_be_accepted/
Now I understand. I agree that qmail-remote's behaviour is
inconvenient in this case. However I may have a work around for you.
Section 4.1.1.1 of RFC 2821 states:
4.1.1.1 Extended HELLO (EHLO) or HELLO (HELO)
These commands are used to identify the SMTP client to the SMTP
server. The argument field contains the fully-qualified domain
name of the SMTP client if one is available. In situations in
which the SMTP client system does not have a meaningful domain
name (e.g., when its address is dynamically allocated and no
reverse mapping record is available), the client SHOULD send
an address literal (see section 4.1.3), optionally followed by
information that will help to identify the client system.
...
4.1.3 Address Literals
Sometimes a host is not known to the domain name system and
communication (and, in particular, communication to report and
repair the error) is blocked. To bypass this barrier a special
literal form of the address is allowed as an alternative to
a domain name. For IPv4 addresses, this form uses four small
decimal integers separated by dots and enclosed by brackets such
as [123.255.37.2], which indicates an (IPv4) Internet Address in
sequence-of-octets form.
...
So, try doing this:
echo "[$(/sbin/e-smith/db configuration get ExternalIP)]" \
> /var/qmail/control/helohost
And then try sending some mail to the ISP in question. If it succeeds
you'll need to add some logic to the ip-up event (or the ip-change
event, I can never remember which) to expand your custom template for
/var/qmail/control/helohost.
If it doesn't work, please let us know.
In the meantime, I'll raise the issue with engineering and I'll also
raise it on the qmail list.
--
Regards
Peter
----------
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