[Mailman-Users] subscribe a list to a list

2009-01-26 Thread Mihamina Rakotomandimby (R12y)
Hi, What would be the surprising effects if I subscribe a list to a list? It's just a customer whish, and I never did it and wonder what could happen... -- Chef de projet chez Vectoris http://www.google.com/search?q=mihamina+rakotomandimby --

Re: [Mailman-Users] bounced addresses stays there

2009-01-26 Thread Kirke Johnson
I have been attempting to test out the bounce processing on a test list and am confused by the results so far. We are running Mailman 2.1.9 on RHEL, installed with the OS. The test list (tsstst) has the following settings: bounce_score_threshold: 1.0 (originally 5.0) bounce_info_stale_after: 7

[Mailman-Users] config.pck get changed back from correct values...

2009-01-26 Thread john espiro
On the web interface, every day, the ownership for config.ock gets changed: /var/lib/mailman/lists/MYLIST/config.pck gets set to mailman:mailman, while all other files and fodlers remain webadmin:mailman. The result is that if I try to use the web interface, I get: Bug in Mailman version 2.1.1

Re: [Mailman-Users] non-subscriber managed to post to a subscriber only list

2009-01-26 Thread Brad Knowles
on 1/26/09 6:09 PM, Grant Taylor said: I meant the Return-Path with is the SMTP envelope sender. In theory, your MTA should be putting the envelope sender address into the "Return-Path:" header, so these two should always match. If not, then you should talk to the vendor of your MTA softwar

Re: [Mailman-Users] non-subscriber managed to post toa subscriber only list (SOLVED)

2009-01-26 Thread Brad Knowles
on 1/26/09 6:05 PM, Grant Taylor said: See, I believe both Lindsay's and Mark's points to be /valid/ points, but not a fault of SPF. Rather I think they (the points) are a fault of the way that people have come to use (read: abuse) email over the years. This is not the place to debate the r

Re: [Mailman-Users] non-subscriber managed to post to a subscriberonly list

2009-01-26 Thread Brad Knowles
on 1/26/09 4:49 PM, Grant Taylor said: I would be willing to bet that the spoofed member is really the source of the message. I would not be at all surprised if that members computer has malware on it that sent the email (after harvesting it from the address book) via the default email client

Re: [Mailman-Users] mailman screens by subscriber list before checking sender filter

2009-01-26 Thread Mark Sapiro
Rich Winkel wrote: > >Her umbrella posts are moderated also, I was just hoping that approving >a post for the umbrella would approve it for all the sublists as well. OK. I "get it". Here's what you could do. It's not "spoof proof", but it will accomplish what you want I think. Instead of puttin

Re: [Mailman-Users] non-subscriber managed to post to a subscriber only list

2009-01-26 Thread Stephen J. Turnbull
Grant Taylor writes: > About the only thing that I can think of where the From: and the > Return-Path: might not match is a forward or some other thing like > that. However I can't see why any one would have addresses > forwarding in to a mailing list. > > Do you have such an example handy?

Re: [Mailman-Users] non-subscriber managed to post to a subscriberonly list

2009-01-26 Thread Russell Clemings
A low-tech fix I've used is to set "max_num_recipients" to a really low number, like 2 or 3. Anything more than that, and the post gets held for approval. Virtually every time I've seen a spam post that spoofs a member's email address, it's had more than a couple of recipients. rac > -- F

Re: [Mailman-Users] mailman screens by subscriber list before checking sender filter

2009-01-26 Thread Mark Sapiro
Rich Winkel wrote: > >Sorry, it's being held by the sublist. It's the only sublist of >which the poster is a member. She's flagged for moderation on the >sublist, but the umbrella list bounces address is listed in the >approved sender filter for the sublist. All the other sublists >distributed t

Re: [Mailman-Users] non-subscriber managed to post to a subscriber onlylist

2009-01-26 Thread Brad Knowles
on 1/26/09 4:03 PM, Barry Finkel said: We had a case last week when someone sent mail with a spoofed "From: " line that contained the e-mail address of the list owner. The mail was delivered to us via a SMTP mailer of an ISP, and we have in the mail headers the IP address of the send

Re: [Mailman-Users] mailman screens by subscriber list before checkingsender filter

2009-01-26 Thread Mark Sapiro
Rich Winkel wrote: >I have a sublist of an umbrella list. A message from one of the >subscribers to the sublist is being held for moderation despite being >approved for the umbrella list... any quick fixes? >This is mailman-2.1.10. Being held by which list? I am unable to understand from the ab

Re: [Mailman-Users] Icelandic: Digest character set problem

2009-01-26 Thread Mark Sapiro
Mordur Ingolfsson wrote: >Hi, thanks for your reply Mr. Sapiro. I had already tried this: > > ># CODE ### >def _(s): >return s > >add_language('en',_('English (USA)'), 'iso-8859-1') > >del _ ># CODE > >as I had found this in some mailing list ar

Re: [Mailman-Users] Icelandic: Digest character set problem

2009-01-26 Thread Mordur Ingolfsson
Hi, thanks for your reply Mr. Sapiro. I had already tried this: # CODE ### def _(s): return s add_language('en',_('English (USA)'), 'iso-8859-1') del _ # CODE as I had found this in some mailing list archive. This does not seem to work. Nei

[Mailman-Users] mailman screens by subscriber list before checking sender filter

2009-01-26 Thread Rich Winkel
I have a sublist of an umbrella list. A message from one of the subscribers to the sublist is being held for moderation despite being approved for the umbrella list... any quick fixes? This is mailman-2.1.10. Thanks! Rich -- Mailman-Users mail

Re: [Mailman-Users] non-subscriber managed to post to a subscriber only list

2009-01-26 Thread Grant Taylor
On 01/26/09 17:19, Mark Sapiro wrote: About the only things that you can "normally" expect to match are From: and envelope sender, but even there, there will be legitimate mail in which they won't match. I meant the Return-Path with is the SMTP envelope sender. About the only thing that I can

Re: [Mailman-Users] non-subscriber managed to post to a subscriberonly list

2009-01-26 Thread Grant Taylor
On 01/26/09 16:49, Taylor, Grant wrote: Is there a way that we can require some of these things (if they exist) to match each other? I.e. to require the 'from' and the 'reply-to' to match? Ugh! It's been a *LONG* day. "... I.e. to require the 'from' and the 'return-path' ...". Grant. .

Re: [Mailman-Users] non-subscriber managed to post toa subscriber only list (SOLVED)

2009-01-26 Thread Grant Taylor
On 01/26/09 17:12, Mark Sapiro wrote: Not to mention the additional problem of SPF being totally unable to deal with .forward and the like. See, I believe both Lindsay's and Mark's points to be /valid/ points, but not a fault of SPF. Rather I think they (the points) are a fault of the way th

Re: [Mailman-Users] non-subscriber managed to post to a subscriber only list

2009-01-26 Thread Mark Sapiro
Lindsay Haisley wrote: >On Mon, 2009-01-26 at 14:34 -0700, Steve Lindemann wrote: >> would mailman remove it from the header for >> final delivery to the list members? > >Yes, absolutely. Not only in the text/plain part but in every part of a >multipart message in which it occurs. Otherwise

Re: [Mailman-Users] non-subscriber managed to post to a subscriber only list

2009-01-26 Thread Mark Sapiro
Lindsay Haisley wrote: >On Mon, 2009-01-26 at 16:49 -0600, Grant Taylor wrote: >> Is there a way that we can require some of these things (if they exist) >> to match each other? I.e. to require the 'from' and the 'reply-to' to >> match? > >This might not be such a good idea. A "Reply-To" heade

Re: [Mailman-Users] non-subscriber managed to post toa subscriber only list (SOLVED)

2009-01-26 Thread Mark Sapiro
Lindsay Haisley wrote: > >My experience with SPF is that it's not at this point widely enough >deployed so that it can reliably be used as an accept/reject filtering >criterion. I tried to do it at one point on my mail servers and got >flack right away from customers who couldn't get their legitim

Re: [Mailman-Users] non-subscriber managed to post to a subscriber only list (SOLVED)

2009-01-26 Thread Lindsay Haisley
On Mon, 2009-01-26 at 16:54 -0600, Grant Taylor wrote: > It will be *VERY* difficult for me to spoof an SMTP envelope sender for > Microsoft with out SPF filters (and the likes) detecting it and acting > accordingly. My experience with SPF is that it's not at this point widely enough deployed so

Re: [Mailman-Users] non-subscriber managed to post to a subscriberonly list

2009-01-26 Thread Lindsay Haisley
On Mon, 2009-01-26 at 16:49 -0600, Grant Taylor wrote: > Is there a way that we can require some of these things (if they exist) > to match each other? I.e. to require the 'from' and the 'reply-to' to > match? This might not be such a good idea. A "Reply-To" header is optional is generally use

Re: [Mailman-Users] non-subscriber managed to post to a subscriber only list (SOLVED)

2009-01-26 Thread Grant Taylor
On 01/26/09 16:51, Lindsay Haisley wrote: It's no more difficult to spoof the From header than it is to spoof the envelope sender address, but at least this way, if it happens again, you'll more easily see which header got the spam through and not have to go digging for it. I'll agree it's al

Re: [Mailman-Users] non-subscriber managed to post to a subscriberonly list

2009-01-26 Thread Grant Taylor
On 01/26/09 16:38, Lindsay Haisley wrote: Both of these reflect the envelope sender address used in the SMTP dialog with the mail server. *nod* You can restrict the set of headers used to identify subscribers using the SENDER_HEADERS variable in mm_cfg.py, as Mark indicated. By default (in

Re: [Mailman-Users] non-subscriber managed to post to a subscriberonly list

2009-01-26 Thread Grant Taylor
On 01/26/09 16:26, Steve Lindemann wrote: Thanks! Got it! They spoofed a legitimate list member on the Return-Path:, which also showed up on the first ("From ") message header line. The From:, Reply-To: reflected the purported spammer and there was no Sender: in the raw mbox file. The good n

Re: [Mailman-Users] non-subscriber managed to post to a subscriber only list (SOLVED)

2009-01-26 Thread Lindsay Haisley
On Mon, 2009-01-26 at 15:44 -0700, Steve Lindemann wrote: > Thanks... I like that solution much more better 8^) It's no more difficult to spoof the From header than it is to spoof the envelope sender address, but at least this way, if it happens again, you'll more easily see which header got the s

Re: [Mailman-Users] non-subscriber managed to post to a subscriber only list (SOLVED)

2009-01-26 Thread Steve Lindemann
Lindsay Haisley wrote: On Mon, 2009-01-26 at 15:26 -0700, Steve Lindemann wrote: Thanks! Got it! They spoofed a legitimate list member on the Return-Path:, which also showed up on the first ("From ") message header line. Both of these reflect the envelope sender address used in the SMTP dial

Re: [Mailman-Users] non-subscriber managed to post to a subscriberonly list

2009-01-26 Thread Lindsay Haisley
On Mon, 2009-01-26 at 15:26 -0700, Steve Lindemann wrote: > Thanks! Got it! They spoofed a legitimate list member on the > Return-Path:, which also showed up on the first ("From ") message header > line. Both of these reflect the envelope sender address used in the SMTP dialog with the mail ser

Re: [Mailman-Users] non-subscriber managed to post to a subscriberonly list

2009-01-26 Thread Steve Lindemann
Mark Sapiro wrote: Right. That's why you have to look at the raw archive mbox file (not the html archive or the periodic .txt or .txt.gz file). That's the only place that will have the original envelope sender in the "From " separator and the original Sender:. Thanks! Got it! They spoofed a l

Re: [Mailman-Users] non-subscriber managed to post to a subscriberonlylist

2009-01-26 Thread Grant Taylor
On 01/26/09 16:16, Mark Sapiro wrote: You can change/limit which headers are used. See SENDER_HEADERS in Defaults.py, but as has been pointed out, in most cases, you want to look at something to determine if a post is from a list member. I'll take a look. If you're suggesting there should be

Re: [Mailman-Users] non-subscriber managed to post to a subscriber onlylist

2009-01-26 Thread Grant Taylor
On 01/26/09 15:55, Lindsay Haisley wrote: This kind of defeats the purpose, by definition, of a non-moderated, subscribers-only list. This would be the equivalent of setting everyone's mod flag on, at which point it becomes a moderated list. Either you allow subscribers to post, or you don't,

Re: [Mailman-Users] non-subscriber managed to post to a subscriberonlylist

2009-01-26 Thread Mark Sapiro
Grant Taylor wrote: >On 01/26/09 15:26, Mark Sapiro wrote: >> All the headers of the spam post. In a default installation, if any >> of From:, Reply-To: or Sender: headers or the envelope sender as >> reflected in the Unix From or Return-Path: header contains a member >> address, the post will

Re: [Mailman-Users] non-subscriber managed to post to a subscriber onlylist

2009-01-26 Thread Lindsay Haisley
On Mon, 2009-01-26 at 16:03 -0600, Barry Finkel wrote: > We had a case last week when someone sent mail with a spoofed > > "From: " > > line that contained the e-mail address of the list owner. Unless the list owner is also a subscriber with his/her mod flag turned off, the fact that so

Re: [Mailman-Users] non-subscriber managed to post to a subscriberonly list

2009-01-26 Thread Mark Sapiro
Steve Lindemann wrote: >Mark Sapiro wrote: >> All the headers of the spam post. In a default installation, if any of >> From:, Reply-To: or Sender: headers or the envelope sender as >> reflected in the Unix From or Return-Path: header contains a member >> address, the post will be deemed from that

Re: [Mailman-Users] non-subscriber managed to post to a subscriber onlylist

2009-01-26 Thread Barry Finkel
Steve Lindemann wrote: >Had something strange occur early Saturday morning. A non-subscriber >managed to successfully post to two member only lists (and, of course, >it was spam). > >The bogus sender (thelevisstoreonl...@levis.rsys1.com) is not a member >of these member only lists and is not i

Re: [Mailman-Users] non-subscriber managed to post to a subscriber only list

2009-01-26 Thread Lindsay Haisley
On Mon, 2009-01-26 at 14:51 -0700, Steve Lindemann wrote: > Rechecked the delivered message header and found the list bounces > address in the Sender: and Return-Path: headers, but I thought that was > normal on the delivered message. It is, if you're looking at the _distributed_ post. This is

Re: [Mailman-Users] non-subscriber managed to post to a subscriberonly list

2009-01-26 Thread Steve Lindemann
Mark Sapiro wrote: Steve Lindemann wrote: Lindsay Haisley wrote: Is it possible that the list mod or admin password got out? I believe than anyone can post to a moderated list by putting an "Approved: " header or pseudo-header in a post. >> I'm on one of the lists that accepted the message (w

Re: [Mailman-Users] non-subscriber managed to post to a subscriber onlylist

2009-01-26 Thread Lindsay Haisley
On Mon, 2009-01-26 at 15:44 -0600, Grant Taylor wrote: > On 01/26/09 15:26, Mark Sapiro wrote: > > All the headers of the spam post. In a default installation, if any > > of From:, Reply-To: or Sender: headers or the envelope sender as > > reflected in the Unix From or Return-Path: header contain

Re: [Mailman-Users] non-subscriber managed to post to a subscriber only list

2009-01-26 Thread Steve Lindemann
Mark Sapiro wrote: All the headers of the spam post. In a default installation, if any of From:, Reply-To: or Sender: headers or the envelope sender as reflected in the Unix From or Return-Path: header contains a member address, the post will be deemed from that member. Find the spam posts in ar

Re: [Mailman-Users] non-subscriber managed to post to a subscriber onlylist

2009-01-26 Thread Grant Taylor
On 01/26/09 15:26, Mark Sapiro wrote: All the headers of the spam post. In a default installation, if any of From:, Reply-To: or Sender: headers or the envelope sender as reflected in the Unix From or Return-Path: header contains a member address, the post will be deemed from that member. Can

Re: [Mailman-Users] non-subscriber managed to post to a subscriber onlylist

2009-01-26 Thread Lindsay Haisley
On Mon, 2009-01-26 at 13:26 -0800, Mark Sapiro wrote: > If that isn't the answer, then it is possible that, as Lindsay > suggests, the post contained an Approved: header with the list admin > or moderator password. Mark's answer is probably more likely than mine. I was in the process of reading M

Re: [Mailman-Users] non-subscriber managed to post to a subscriberonly list

2009-01-26 Thread Mark Sapiro
Steve Lindemann wrote: >Lindsay Haisley wrote: >> Is it possible that the list mod or admin password got out? I believe >> than anyone can post to a moderated list by putting an "Approved: >> " header or pseudo-header in a post. > >I'm on one of the lists that accepted the message (which is how i

Re: [Mailman-Users] non-subscriber managed to post to a subscriber only list

2009-01-26 Thread Lindsay Haisley
On Mon, 2009-01-26 at 14:34 -0700, Steve Lindemann wrote: > Lindsay Haisley wrote: > > Is it possible that the list mod or admin password got out? I believe > > than anyone can post to a moderated list by putting an "Approved: > > " header or pseudo-header in a post. > > I'm on one of the lists t

Re: [Mailman-Users] non-subscriber managed to post to a subscriber only list

2009-01-26 Thread Steve Lindemann
Lindsay Haisley wrote: Is it possible that the list mod or admin password got out? I believe than anyone can post to a moderated list by putting an "Approved: " header or pseudo-header in a post. I'm on one of the lists that accepted the message (which is how it came to my attention) and I ju

Re: [Mailman-Users] non-subscriber managed to post to a subscriber onlylist

2009-01-26 Thread Mark Sapiro
Steve Lindemann wrote: >Had something strange occur early Saturday morning. A non-subscriber >managed to successfully post to two member only lists (and, of course, >it was spam). > >The bogus sender (thelevisstoreonl...@levis.rsys1.com) is not a member >of these member only lists and is not i

Re: [Mailman-Users] non-subscriber managed to post to a subscriber only list

2009-01-26 Thread Lindsay Haisley
Is it possible that the list mod or admin password got out? I believe than anyone can post to a moderated list by putting an "Approved: " header or pseudo-header in a post. On Mon, 2009-01-26 at 13:40 -0700, Steve Lindemann wrote: > Had something strange occur early Saturday morning. A non-subsc

[Mailman-Users] non-subscriber managed to post to a subscriber only list

2009-01-26 Thread Steve Lindemann
Had something strange occur early Saturday morning. A non-subscriber managed to successfully post to two member only lists (and, of course, it was spam). The bogus sender (thelevisstoreonl...@levis.rsys1.com) is not a member of these member only lists and is not in the accept_these_nonmembers