I find this more frustrating. I have a dynamic IP address, because fixed IP address 
ADSL isn't very common here in Australia. So I use DYNDNS to map my domain MX records. 
I can't get matching PTR records.

I'm assuming my mail bounced because I don't have matching PTR and MX records.

Why should email assume fixed IP addresses for email delivery, or rather, matching PTR 
and MX records ?

Begin forwarded message:

Date: Thu, 18 Dec 2003 01:11:28 +1030 (CST)
From: [EMAIL PROTECTED] (Mail Delivery System)
To: [EMAIL PROTECTED]
Subject: Undelivered Mail Returned to Sender


This is the Postfix program at host nosense.org.

I'm sorry to have to inform you that the message returned
below could not be delivered to one or more destinations.

For further assistance, please send mail to <postmaster>

If you do so, please include this problem report. You can
delete your own text from the message returned below.

                        The Postfix program

<[EMAIL PROTECTED]>: host mail.netaxs.com[207.8.186.26] said: 550 5.7.1
    <[EMAIL PROTECTED]>... 203.102.233.19 is unwelcome here

Reporting-MTA: dns; nosense.org
Arrival-Date: Thu, 18 Dec 2003 01:10:54 +1030 (CST)

Final-Recipient: rfc822; [EMAIL PROTECTED]
Action: failed
Status: 5.0.0
Diagnostic-Code: X-Postfix; host mail.netaxs.com[207.8.186.26] said: 550 5.7.1
    <[EMAIL PROTECTED]>... 203.102.233.19 is unwelcome here

--- Begin Message ---
I just match on either the 

"Sender: [EMAIL PROTECTED]"

header, or the ML specific email address I've created.

I'm using Sylpheed though, it seems to be more flexible on matching header fields than 
most other email clients I've used in the past.

On Wed, 17 Dec 2003 09:13:13 -0500
Gordon Cook <[EMAIL PROTECTED]> wrote:

> >On Wed, Dec 17, 2003 at 08:00:38AM +0200, Pekka Savola wrote:
> >>
> >>  I don't-  IMHO it's stupid to waste the precious bits in the subject
> >>  line to say "[ietf] " because there is no need for such.  The messages
> >>  can be filtered better using other thods as well, and humans can look
> >>  at the headers..
> >
> >I agree, for filtering everything's in the header already.
> >
> >Tim
> 
> I  do not use eudora to forward list mail to separate mail boxes. 
> therefore if i don't start list filtering into seperate mail boxes, i 
> am forced to guess where a piece of mail might be ietf since adding 6 
> characters to ever subject headers is judged unhelpful and 
> unacceptable?
> 
> There is no sure way at all to tell from a subject line whether its 
> IETF and to complain about adding 6 ascii characters to a subject 
> line wasting bits if it gives several thousand humans a hint as to 
> whether to open and read, or delete unopened, or delete mail to spam 
> mail box seems to be strange.  But this point of view i guess is why 
> the list keepers have not yet and probably never will do what most of 
> the other lists that I receive do.
> 
> -- 
> =============================================================
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--- End Message ---

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