On Thu, 13 Mar 2003 11:24:59 +0100, Michal H. Tyc wrote:

> Hi all,

> Recently I tried the "address-list" feature of Arachne (i.e.,
> "@list" as the e-mail address, where LIST is a text file in
> the main Arachne directory and contains one address per line).

> Arachne inserts "@list" into the "To:" field, which seems to
> be disliked by some recipients' mail servers:

> ----- Forwarded message begin -----
> From: Mail Delivery Subsystem <[EMAIL PROTECTED]>

> The original message was received at Thu, 13 Mar 2003 10:24:13 +0100
> from egon.if.pwr.wroc.pl [156.17.68.108]

> ----- The following addresses had permanent fatal errors -----
> <[EMAIL PROTECTED]>
> (reason: 550 Syntax error in 'To' header: no local part: failing address is:
> @klasa)

> ----- Transcript of session follows -----
> ..... while talking to mail.neta-si.us.:
>>>> DATA
> <<< 550 Syntax error in 'To' header: no local part: failing address is: @klasa
> 554 5.0.0 Service unavailable

> Reporting-MTA: dns; rainbow.if.pwr.wroc.pl
> Received-From-MTA: DNS; egon.if.pwr.wroc.pl
> Arrival-Date: Thu, 13 Mar 2003 10:24:13 +0100

> Final-Recipient: RFC822; [EMAIL PROTECTED]
> Action: failed
> Status: 5.2.0
> Remote-MTA: DNS; mail.neta-si.us
> Diagnostic-Code: SMTP; 550 Syntax error in 'To' header: no local part: failing
> address is: @klasa
> Last-Attempt-Date: Thu, 13 Mar 2003 10:25:21 +0100

> [Attached file: 475O1O34.RFC]
> ------ Forwarded message end ------

> Do you know any fix for it?

> Greetings,

> Michal

Presumably you had a mailing list being a text file named "klasa".

My interpretation of the error message is that one of the addressees
in your mailing list was "[EMAIL PROTECTED]".  If this is the case then
your ISP did succeed in recognizing the mailing list and reading it.
If there were a syntax error in the "To" header the servre at your ISP
would not have been able to recognize and read the mailing list.  It
would seem that the failing address was really "[EMAIL PROTECTED]", not
the name of your mailing list preceded by the "@" symbol.  The error
message says that the failing address was the name of your mailing list
preceded by the "@" symbol.  It appears that the email service at
"neta-si.us" has a problem in handling the mailing list feature and it
has a problem in the way it generates its error messages.

Question:

Did everyone on your mailing list except for "[EMAIL PROTECTED]" receive
your message?  If this is the case, then the "@list" feature is working
but this addressee's email service has a problem with the way it
generates its error messages.

I am going to use the "@list" feature to send a test email message to
myself and also to a hopefully invalid email address that I will invent
for a hopefully non-existent addressee at the "neta-si.us" email
service.  I will report back to you on the error messages I receive.

Sam Heywood
--
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