Re: [Mailman-Developers] before next release: disable backscatter indefault installation

2008-03-25 Thread Stephen J. Turnbull
Jo Rhett writes: On Mar 4, 2008, at 9:27 PM, Stephen J. Turnbull wrote: You see, as Jo Rhett points out (apparently without understanding), it will have *no noticable effect* in the short run because *the proposed change won't affect existing Mailman installations*, not even those

Re: [Mailman-Developers] before next release: disable backscatter in default installation

2008-03-25 Thread Stephen J. Turnbull
Jo Rhett writes: On Mar 24, 2008, at 6:45 PM, Mark Sapiro wrote: I still don't get what you mean by properly deal with DSNs. Are you saying that an MTA should never return a DSN? It should either reject the mail during the incoming SMTP transaction or forever hold its piece?

Re: [Mailman-Developers] before next release: disable backscatterin default installation

2008-03-25 Thread Mark Sapiro
Stephen J. Turnbull wrote: Jo Rhett writes: On Mar 24, 2008, at 6:45 PM, Mark Sapiro wrote: I still don't get what you mean by properly deal with DSNs. Are you saying that an MTA should never return a DSN? It should either reject the mail during the incoming SMTP transaction or

Re: [Mailman-Developers] before next release: disable backscatterin default installation

2008-03-25 Thread Eino Tuominen
Mark Sapiro wrote: Well, it does simplify the MTA's job. Instead of all that queueing and retrying and such, you just have during SMTP (hold on a minute while I attempt to deliver this to the next hop and return that result to you)*N, a system that doesn't seem to scale well. Either that or

Re: [Mailman-Developers] before next release: disable backscatterin default installation

2008-03-25 Thread Jason Pruim
On Mar 25, 2008, at 1:06 PM, Eino Tuominen wrote: Mark Sapiro wrote: Well, it does simplify the MTA's job. Instead of all that queueing and retrying and such, you just have during SMTP (hold on a minute while I attempt to deliver this to the next hop and return that result to you)*N,

Re: [Mailman-Developers] before next release: disable backscatterindefault installation

2008-03-25 Thread Mark Sapiro
Eino Tuominen wrote: You are missing the point. Of course you can inform of a delivery problem, but only when you really need to do it. That's not what Jo Rhett seems to be saying at http://mail.python.org/pipermail/mailman-developers/2008-March/019928.html. -- Mark Sapiro [EMAIL PROTECTED]

Re: [Mailman-Developers] before next release: disable backscatterin default installation

2008-03-25 Thread Eino Tuominen
Jason Pruim wrote: But how would you scale that to the size of say... yahoo? Multiple data centers around the world, all processing mail for different domains under yahoo's control... How would one be able to synchronize all that data from tons of different places like that? Well,

Re: [Mailman-Developers] before next release: disable backscatter in default installation

2008-03-25 Thread Barry Warsaw
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On Mar 24, 2008, at 9:37 PM, Jo Rhett wrote: On Mar 4, 2008, at 6:00 PM, Stephen J. Turnbull wrote: In any case, it's hard to sympathize with your claim of urgency. Mark's intention to release 2.1.10 has been known for many months. This proposal

Re: [Mailman-Developers] before next release: disable backscatterin default installation

2008-03-25 Thread Eino Tuominen
Stephen J. Turnbull wrote: Eino Tuominen writes: You are missing the point. Of course you can inform of a delivery problem, but only when you really need to do it. Every organisation should know of every recipient within their authority. You should know the recipient if you

Re: [Mailman-Developers] before next release: disable backscatter in default installation

2008-03-25 Thread Barry Warsaw
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On Mar 24, 2008, at 10:03 PM, Jo Rhett wrote: On Mar 24, 2008, at 6:45 PM, Mark Sapiro wrote: I still don't get what you mean by properly deal with DSNs. Are you saying that an MTA should never return a DSN? It should either reject the mail during

Re: [Mailman-Developers] before next release: disable backscatterin default installation

2008-03-25 Thread Barry Warsaw
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On Mar 25, 2008, at 5:51 PM, Eino Tuominen wrote: Stephen J. Turnbull wrote: Eino Tuominen writes: You are missing the point. Of course you can inform of a delivery problem, but only when you really need to do it. Every organisation should know

Re: [Mailman-Developers] before next release: disable backscatter in default installation

2008-03-25 Thread Jo Rhett
On Mar 24, 2008, at 10:49 PM, Stephen J. Turnbull wrote: What? I'm sorry, but Mailman has been blamed for backscatter for like 3 years going now. If you say so. I first heard of the issue within the last year, and that in the context of bouncing back whole messages. And it wasn't from

Re: [Mailman-Developers] before next release: disable backscatter indefault installation

2008-03-25 Thread Jo Rhett
On Mar 24, 2008, at 11:21 PM, Stephen J. Turnbull wrote: Pure bluster. You have no data about floods of new installations, We turn up X customers a week. We see X customers a week running into problems and getting blacklisted for backscatter. This is the flood I am trying to solve. What

Re: [Mailman-Developers] before next release: disable backscatter in default installation

2008-03-25 Thread Jo Rhett
On Mar 24, 2008, at 11:35 PM, Stephen J. Turnbull wrote: Unfortunately this attitude does seem to be catching hold. I was told So much for the whole concept of a store-and-forward mail system. :-( You are stuck in the last century, aren't you? No insult intended, honestly. Nobody I

Re: [Mailman-Developers] before next release: disable backscatterin default installation

2008-03-25 Thread Jo Rhett
On Mar 25, 2008, at 10:10 AM, Jason Pruim wrote: But how would you scale that to the size of say... yahoo? Multiple data centers around the world, all processing mail for different domains under yahoo's control... How would one be able to synchronize all that data from tons of different places

Re: [Mailman-Developers] before next release: disable backscatterindefault installation

2008-03-25 Thread Jo Rhett
On Mar 25, 2008, at 10:59 AM, Mark Sapiro wrote: Eino Tuominen wrote: You are missing the point. Of course you can inform of a delivery problem, but only when you really need to do it. That's not what Jo Rhett seems to be saying at

Re: [Mailman-Developers] before next release: disable backscatterin default installation

2008-03-25 Thread Jo Rhett
On Mar 25, 2008, at 1:18 PM, Stephen J. Turnbull wrote: You are missing the point. Of course you can inform of a delivery problem, but only when you really need to do it. Every organisation should know of every recipient within their authority. You should know the recipient if you accept a

Re: [Mailman-Developers] before next release: disable backscatter in default installation

2008-03-25 Thread Jo Rhett
On Mar 25, 2008, at 1:58 PM, Barry Warsaw wrote: Now that there's documentation, I don't think you need to be that severe. The documentation is insufficient as it stands. The mailing list headers would contain addresses which no longer exist. But yes, an official documentation

Re: [Mailman-Developers] before next release: disable backscatterin default installation

2008-03-25 Thread Jo Rhett
On Mar 25, 2008, at 2:51 PM, Eino Tuominen wrote: The times, they are a-changing... We are facing a new world and old habits are not the best ways to do things anymore. I'm certainly not one of those deeming all DSN's as evil, but it really hurts our users when some spammer starts a

Re: [Mailman-Developers] before next release: disable backscatter in default installation

2008-03-25 Thread Jo Rhett
On Mar 25, 2008, at 3:20 PM, Barry Warsaw wrote: I think you will be happier with what is possible in Mailman 3. In mm3 we have a working LMTP server, those it's based on asyncore and its scalability is questionable. Although I have not yet done this, I plan to tie the rule chain

Re: [Mailman-Developers] before next release: disable backscatterindefault installation

2008-03-25 Thread Mark Sapiro
Jo Rhett wrote: Not all bounces are backscatter. My servers all deliver DSNs to the sender. My servers don't send backscatter. So now we're back to my original question. Under what circumstances is it acceptable for an MTA to accept a message and then later return an undeliverable DSN? I

Re: [Mailman-Developers] before next release: disable backscatter in default installation

2008-03-25 Thread Lars Magne Ingebrigtsen
Stephen J. Turnbull [EMAIL PROTECTED] writes: Unfortunately this attitude does seem to be catching hold. I was told recently that a secondary MX would have to stop functioning as such because his ISP insists that he have an up to the second list of all valid mailboxes at my site; he's not

Re: [Mailman-Developers] before next release: disable backscatter in default installation

2008-03-25 Thread Julian Mehnle
Jo Rhett wrote: On Mar 24, 2008, at 6:45 PM, Mark Sapiro wrote: I still don't get what you mean by properly deal with DSNs. Are you saying that an MTA should never return a DSN? It should either reject the mail during the incoming SMTP transaction or forever hold its piece? Yes. And

Re: [Mailman-Developers] before next release: disable backscatter indefault installation

2008-03-25 Thread Dale Newfield
Jo Rhett wrote: I don't care what is done. Do something that makes it better. This is an open source project. You are welcome to use it as is or modify it to your liking. (I believe--someone confirm, please) you even have the right to distribute your modified version. You're welcome to