Hi.

I've searched the archives several different ways about this and not found 
anything, so...

We run Mailman v2.1.4 on SuSE Enterprise v11 SP3 using Sendmail. The box is a 
virtual machine and pretty much dedicated to the purpose of being a listserver, 
at least at present.

We recently got a slew of Spamcop complaints about confirmation emails we sent 
as a result of subscription requests submitted via the web interface. These 
emails clearly state that the confirmation emails are a result of subscription 
requests submitted from a specific IP address. Clearly from the user's POV 
these emails are spam and I totally understand why the users are submitting the 
complaints in this instance. However, I also don't think that my mail system 
should be held responsible for sending these emails. (Consider that I am not 
held responsible for damage caused by my car if the person driving the car 
stole it from me.)

I was looking at the Spamcop FAQ and noticed a brief comment about the Received 
headers that some webmail interfaces add that list the IP address of the client 
that used HTTP to submit the email via a webmail GUI, for example:

Received: from 66.191.176.186 by webmail-d137.sysops.aol.com (149.174.18.27) 
with HTTP (WebMailUI); Sat, 13 Apr 2013 08:07:55 -0400

The Spamcop FAQ kind of implies that Spamcop will consider the source of the 
HTTP (in this example, 66.191.176.186) as the sender, rather than the email 
server that converted the HTTP to SMTP. I've not checked this at all, so I may 
be reading into the FAQ.

So my question is this: can Mailman be configured in some straightforward way 
to add a Received: header with the IP address of the host that requested the 
subscription? I am not a Python programmer, but I am capable of making code 
changes if necessary.

Comments?
--
Yan Juras
Manager of Systems Engineering
Office of Converging Technologies, I Bldg room 100
Queens College / 65-30 Kissena Blvd / Flushing NY 11367
(718)997-5906 / FAX: (718)997-5678

Need Assistance? Call The OCT Help Desk at (718) 997-4444
OCT will never ask for your personal information or password. Never share this 
information with anyone.

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