Re: [Mailman-Users] [Mailman-Developers] Sender field

2006-05-08 Thread Stephen J. Turnbull
William == William D Tallman [EMAIL PROTECTED] writes: William On Wed, May 03, 2006 at 11:11:22PM +0900, Stephen William J. Turnbull wrote: I don't think that is the way that RFC writers in general think. William Yes, so I gather. :-) William Which means that people

Re: [Mailman-Users] [Mailman-Developers] Sender field

2006-05-08 Thread William D. Tallman
On Tue, May 09, 2006 at 12:33:29AM +0900, Stephen J. Turnbull wrote: William == William D Tallman [EMAIL PROTECTED] writes: snip Well damn!!! I am genuinely impressed and appreciative of this response! Have it saved off in a separate file to study. Mr. Turnbull has my sincere thanks for his

Re: [Mailman-Users] [Mailman-Developers] Sender field

2006-05-03 Thread Stephen J. Turnbull
William == William D Tallman [EMAIL PROTECTED] writes: William How does the RFC, or the writers thereof, define user? They don't. IMHO (there are those more expert than I on this list) anything that is normally expected to touch the headers or body of a message is a user for the purpose of

Re: [Mailman-Users] [Mailman-Developers] Sender field

2006-05-03 Thread William D. Tallman
On Wed, May 03, 2006 at 11:11:22PM +0900, Stephen J. Turnbull wrote: William == William D Tallman [EMAIL PROTECTED] writes: William How does the RFC, or the writers thereof, define user? They don't. IMHO (there are those more expert than I on this list) anything that is normally

Re: [Mailman-Users] [Mailman-Developers] Sender field

2006-05-02 Thread Barry Warsaw
On Mon, 2006-05-01 at 18:16 -0700, Mark Sapiro wrote: Neal Groothuis wrote: Mailman is not the originator of the message, so it should not be tampering with the From: or Sender: fields at all. This is arguably not true. Mailman may add a list header and/or list footer to the body of

Re: [Mailman-Users] [Mailman-Developers] Sender field

2006-05-02 Thread Barry Warsaw
On Mon, 2006-05-01 at 13:27 -0500, Neal Groothuis wrote: I'd like to work up an unofficial diff to Mailman 2.1 for people like Stephen who are willing to give it a try on a live site. I'm not sure this is even necessary. Ezmlm doesn't touch the Sender: header at all, Majordomo sets it

Re: [Mailman-Users] [Mailman-Developers] Sender field

2006-05-01 Thread Barry Warsaw
On Fri, 2006-04-28 at 19:12 -0500, Brad Knowles wrote: I think we need to gather a lot more information about the likely outcome from this change, and I think the best way to achieve this is through giving admins (either site admins or list admins) the ability to set an option and

Re: [Mailman-Users] [Mailman-Developers] Sender field

2006-05-01 Thread Barry Warsaw
On Sun, 2006-04-30 at 00:00 +0900, Stephen J. Turnbull wrote: Sender doesn't instruct *conformant* MTAs at all, does it? AFAIK the only thing that a RFC 2821-conforming MTA looks at is the Return-Path header, and it's supposed to remove that. So this is purely a matter of pragmatic

Re: [Mailman-Users] [Mailman-Developers] Sender field

2006-05-01 Thread Neal Groothuis
I'd like to work up an unofficial diff to Mailman 2.1 for people like Stephen who are willing to give it a try on a live site. I'm not sure this is even necessary. Ezmlm doesn't touch the Sender: header at all, Majordomo sets it to the owner of the list, and (AFAICT) Listserv sets it to the

Re: [Mailman-Users] [Mailman-Developers] Sender field

2006-05-01 Thread William D. Tallman
Watching this with interest; a newbie learns... On Mon, May 01, 2006 at 01:27:40PM -0500, Neal Groothuis wrote: snip It might be appropriate for Mailman to add Resent-* headers, depending on how one reads RFC 2822, 3.6.6. I personally don't think it's necessary or useful, since list

Re: [Mailman-Users] [Mailman-Developers] Sender field

2006-05-01 Thread Mark Sapiro
Neal Groothuis wrote: Mailman is not the originator of the message, so it should not be tampering with the From: or Sender: fields at all. This is arguably not true. Mailman may add a list header and/or list footer to the body of the message as well as potentially filtering or scrubbing

Re: [Mailman-Users] [Mailman-Developers] Sender field

2006-04-29 Thread Bob Puff
Yes, and it still happens. Apparently, AOL has some filter based on a FROM: address matching a specific list, and bounces it with an SPF error, which it clearly is not. Bob -- Original Message --- From: Barry Warsaw [EMAIL PROTECTED] Have you tried turning on full

Re: [Mailman-Users] [Mailman-Developers] Sender field

2006-04-29 Thread Stephen J. Turnbull
Brad == Brad Knowles [EMAIL PROTECTED] writes: At 7:50 PM -0400 2006-04-28, Barry Warsaw wrote: Whatever else we decide, I don't agree, or at least, it won't help us. $3.6.6 says that Resent-* headers are to be added by a user. It also says that these are purely informational

Re: [Mailman-Users] [Mailman-Developers] Sender field

2006-04-29 Thread Brad Knowles
At 12:00 AM +0900 2006-04-30, Stephen J. Turnbull wrote: Brad If we need something that will be noticed by other MTAs Brad beyond the envelope sender and the Return-Path: Brad Errors-To: headers, then we're going to have to carefully Brad think about this. What's an

Re: [Mailman-Users] [Mailman-Developers] Sender field

2006-04-29 Thread John W. Baxter
On 4/29/06 8:00 AM, Stephen J. Turnbull [EMAIL PROTECTED] wrote: Sender doesn't instruct *conformant* MTAs at all, does it? AFAIK the only thing that a RFC 2821-conforming MTA looks at is the Return-Path header, and it's supposed to remove that. There is no Return-Path: header during

Re: [Mailman-Users] [Mailman-Developers] Sender field

2006-04-28 Thread Barry Warsaw
On Thu, 2006-04-27 at 22:46 -0500, Brad Knowles wrote: If the previous value of the Sender: field is being lost, then that should be corrected. At the very least, the value should be saved in an Old-Sender: or Previous-Sender: or some other suitable renamed sender field. Probably

Re: [Mailman-Users] [Mailman-Developers] Sender field

2006-04-28 Thread John W. Baxter
On 4/28/06 6:06 AM, Barry Warsaw [EMAIL PROTECTED] wrote: On Thu, 2006-04-27 at 22:46 -0500, Brad Knowles wrote: If the previous value of the Sender: field is being lost, then that should be corrected. At the very least, the value should be saved in an Old-Sender: or Previous-Sender: or

Re: [Mailman-Users] [Mailman-Developers] Sender field

2006-04-28 Thread Neal Groothuis
John W. Baxter wrote: Probably, indeed. But what happens if that header was already taken in the process that brought the message to mailman for distribution to the list? As I noted in my previous response, I believe that the correct field (if Mailman were to add a Sender: header) to add

Re: [Mailman-Users] [Mailman-Developers] Sender field

2006-04-28 Thread Bob [EMAIL PROTECTED]
Don't forget to consider things like SPF, which I think uses the sender field. Whatever is used for SPF _must_ be the domain of the mailman box, or you're gonna run into a pack of trouble. ...Trouble similar to a current problem I am having with AOL: they are bouncing all email with the

Re: [Mailman-Users] [Mailman-Developers] Sender field

2006-04-28 Thread Mark Sapiro
Dallas Bethune wrote: For our uses just changing that list-bounces address to something less ominous looking would help. It definitely looks to me as if something needs to be done. I think perhaps offering 3 options either to the list admin on a per-list basis with a site default or just a

Re: [Mailman-Users] [Mailman-Developers] Sender field

2006-04-28 Thread Barry Warsaw
Now that I have a few minutes to breath ;) I'll try to summarize my thoughts on this, and then perhaps go back later and follow up to specific points later in the thread. I'm sympathetic to ripping out the Sender: field munging. It was always primarily a workaround for buggy MTAs. If the

Re: [Mailman-Users] [Mailman-Developers] Sender field

2006-04-28 Thread Barry Warsaw
On Fri, 2006-04-28 at 13:05 -0500, Neal Groothuis wrote: As I noted in my previous response, I believe that the correct field (if Mailman were to add a Sender: header) to add would be Resent-Sender. Please see RFC 2822, section 3.6.6. Whatever else we decide, I don't agree, or at least,

Re: [Mailman-Users] [Mailman-Developers] Sender field

2006-04-28 Thread Barry Warsaw
On Fri, 2006-04-28 at 14:08 -0400, Bob [EMAIL PROTECTED] wrote: ...Trouble similar to a current problem I am having with AOL: they are bouncing all email with the FROM: address of a specific AOL user, when mailman delivers the messages to -any- aol or cs.com address. Have you tried

Re: [Mailman-Users] [Mailman-Developers] Sender field

2006-04-28 Thread Brad Knowles
At 7:50 PM -0400 2006-04-28, Barry Warsaw wrote: On Fri, 2006-04-28 at 13:05 -0500, Neal Groothuis wrote: As I noted in my previous response, I believe that the correct field (if Mailman were to add a Sender: header) to add would be Resent-Sender. Please see RFC 2822, section 3.6.6.