RE: recent spam to this list

2003-10-18 Thread Julian Mehnle
Kris Deugau wrote: > > > OK, I think I've thought of a sort of a counter-example: [...] > > > I'm sending "from" myfriendsdomain.com's server, but I don't have an > > > account there. I do, however, have an account [EMAIL PROTECTED] > > > on my own server- to which I want all replies/bounces/etc to

Re: recent spam to this list

2003-10-17 Thread Kris Deugau
Julian Mehnle wrote: > Kris Deugau wrote: > > OK, I think I've thought of a sort of a counter-example: > > [...] > > I'm sending "from" myfriendsdomain.com's server, > > but I don't have an account there. ^ > > I do, however, have an account > > [EMAIL PROTECTED

RE: recent spam to this list

2003-10-17 Thread Julian Mehnle
Kris Deugau wrote: > Julian Mehnle wrote: > > Andreas Metzler wrote: > > > If I send an e-mail over mail.nusrf.at with envelope-from > > > [EMAIL PROTECTED] I am _not_ forging anything or making > > > "unauthorized use of domains" > > > > Yes, you are. The envelope-from address is not a reply-to

Re: recent spam to this list

2003-10-15 Thread Kris Deugau
Julian Mehnle wrote: > Andreas Metzler wrote: > > Julian Mehnle <[EMAIL PROTECTED]> wrote: > > > It's about forging an e-mail sender's identity. By preventing > > > the unauthorized use of domains as the sender domain of e-mails, > > > most of the practiced cases of identity forgery are prevented.

Re: recent spam to this list

2003-10-15 Thread Nick Phillips
On Mon, Oct 13, 2003 at 05:54:41PM -0500, John Hasler wrote: > > No, you understood it correctly. That's exactly the point. > > If I can configure my domain with a list of IPs from which mail claiming to > originate from it must come without having a static IP and without the > cooperation of th

Re: recent spam to this list

2003-10-14 Thread Joel Baker
On Tue, Oct 14, 2003 at 04:40:15PM -0500, Manoj Srivastava wrote: > On Tue, 14 Oct 2003 10:21:23 -0500, John Hasler <[EMAIL PROTECTED]> said: > > > I understand all that, which is why I found statements such as those > > in > >> [EMAIL PROTECTED]> confusing. The fact is I can add SPF > > records

Re: recent spam to this list

2003-10-14 Thread John Hasler
Manoj writes: > Consider this use case: I travel a lot, and stay in hotels with network > connections. Unfortunately, these nigtly billed domains have very poor > mail gateways; I've been burned before. I now connect directly and > deliver mail from the MTA on my laptop. > I do not know, a priori,

Re: recent spam to this list

2003-10-14 Thread Mark Ferlatte
Manoj Srivastava said on Tue, Oct 14, 2003 at 04:40:15PM -0500: > Consider this use case: I travel a lot, and stay in hotels > with network connections. Unfortunately, these nigtly billed domains > have very poor mail gateways; I've been burned before. I now connect > directly and deliver

Re: recent spam to this list

2003-10-14 Thread Henrique de Moraes Holschuh
On Tue, 14 Oct 2003, Manoj Srivastava wrote: > I do not know, a priori, what the IP address is likely to be, > and getting DNS changed for datasync.com would take days, not hours, > by which time I would no longer be at the IP. You'd just need something akin to the ddns services... but in

Re: recent spam to this list

2003-10-14 Thread Manoj Srivastava
On Tue, 14 Oct 2003 10:21:23 -0500, John Hasler <[EMAIL PROTECTED]> said: > I understand all that, which is why I found statements such as those > in >> [EMAIL PROTECTED]> confusing. The fact is I can add SPF > records for any IP numbers I want to domains I control. Thus if I > want to be able

Re: recent spam to this list

2003-10-14 Thread John Hasler
Joel Baker writes: > Many places do hosting of DNS domains (only; no web or mail, etc) for > absurdly cheap rates ($5/mo in some cases), and allow either DDNS or an > automateable webpage to do updates with. I'm aware of these. While interesting should they start supporting SPF they are not reall

Re: recent spam to this list

2003-10-13 Thread Joel Baker
On Mon, Oct 13, 2003 at 06:51:01PM -0500, John Hasler wrote: > Joel Baker writes: > > I'm going to gloss over the utter mistake of your first statement > > I am on a dialup with a "dynamic" IP number: I am allowed to borrow a > number from my ISP at need. There is no IP number over which I have a

Re: recent spam to this list

2003-10-13 Thread John Hasler
Joel Baker writes: > I'm going to gloss over the utter mistake of your first statement I am on a dialup with a "dynamic" IP number: I am allowed to borrow a number from my ISP at need. There is no IP number over which I have any administrative control. Thus I have no IP in that I would be unable

Re: recent spam to this list

2003-10-13 Thread John Hasler
Julian Mehnle writes: > Consider your ISP's smarthost's IP address "your IP". It makes no > difference. It would if the proposed system was unusable by those of us without static IPs, which was the impression I was getting. Evidently that impression was incorrect: good. > No, you understood it

Re: recent spam to this list

2003-10-13 Thread Joel Baker
On Mon, Oct 13, 2003 at 04:26:35PM -0500, John Hasler wrote: > Joel Baker writes: > > I'm sorry, but your individual desire to be able to send mail from > > anywhere on the planet, claiming to be anyone on the planet... > > What makes you think I want to claim to be "anyone on the planet"? > I hav

RE: recent spam to this list

2003-10-13 Thread Julian Mehnle
John Hasler wrote: > Joel Baker writes: > > If adding .1 to your SA score for lacking a repudiation protocol, and > > 3 (or 5, or whatever) for claiming to be from a domain that denies > > that it origionates mail to the rest of the world from your IP... > > I have no IP. Outgoing mail from home

Re: recent spam to this list

2003-10-13 Thread John Hasler
Joel Baker writes: > I'm sorry, but your individual desire to be able to send mail from > anywhere on the planet, claiming to be anyone on the planet... What makes you think I want to claim to be "anyone on the planet"? I have a valid domain and I want replies and bounces to go to it. > If adding

Re: recent spam to this list

2003-10-13 Thread Joel Baker
On Mon, Oct 13, 2003 at 08:06:33PM +0200, Julian Mehnle wrote: > John Hasler wrote: > > Julian Mehnle writes: > > > No, but this again is one of these broken "e-mail vs. real world" > > > analogies. You can't receive mail through such a letter box, but a > > > sender address is inherently meant to

RE: recent spam to this list

2003-10-13 Thread Julian Mehnle
John Hasler wrote: > Julian Mehnle writes: > > No, but this again is one of these broken "e-mail vs. real world" > > analogies. You can't receive mail through such a letter box, but a > > sender address is inherently meant to be a valid address through which > > you can be contacted (among other c

Re: recent spam to this list

2003-10-13 Thread John Hasler
Julian Mehnle writes: > No, but this again is one of these broken "e-mail vs. real world" > analogies. You can't receive mail through such a letter box, but a > sender address is inherently meant to be a valid address through which > you can be contacted (among other criteria). I can no more be c

RE: recent spam to this list

2003-10-13 Thread Julian Mehnle
John Hasler wrote: > Julian Mehnle writes: > > It does very well make sense to specify a "sender address" for an > > e-mail, and that's exactly what the SMTP "MAIL FROM" command AKA > > envelope-from (and the "Sender:" header) is meant to be. Even RFCs > > (2)821 and (2)822 articulate it that way.

Re: recent spam to this list

2003-10-13 Thread Michael Poole
Julian Mehnle writes: > Michael Poole wrote: >> Mail is not sent from any particular address at all; it is sent by a >> person or program. It is delivered to one or more addresses. The >> From: address and SMTP and envelope sender addresses are for human >> understanding and status reporting. >

Re: recent spam to this list

2003-10-13 Thread John Hasler
Julian Mehnle writes: > It does very well make sense to specify a "sender address" for an e-mail, > and that's exactly what the SMTP "MAIL FROM" command AKA envelope-from > (and the "Sender:" header) is meant to be. Even RFCs (2)821 and (2)822 > articulate it that way. Nowhere do these RFCs state

RE: recent spam to this list

2003-10-13 Thread Julian Mehnle
Michael Poole wrote: > Julian Mehnle writes: > > Don't you agree on my understanding of a sender address (or source > > mailbox) being the address (or source mailbox) the sender sends > > from? If so, please state it explicitly, so I have something I can > > argue against. :-) > > Mail is not sen

Re: recent spam to this list

2003-10-13 Thread Michael Poole
Julian Mehnle writes: > Don't you agree on my understanding of a sender address (or source > mailbox) being the address (or source mailbox) the sender sends > from? If so, please state it explicitly, so I have something I can > argue against. :-) Mail is not sent from any particular address at a

RE: recent spam to this list

2003-10-13 Thread Julian Mehnle
Andreas Metzler wrote: > On Mon, Oct 13, 2003 at 02:47:44PM +0200, Julian Mehnle wrote: > > There you have it. It's the "source mailbox", and while it can be > > used to report errors, it can *not only* be used to report errors. > > I'm relieved that the RFC doesn't contradict my common sense > >

Re: recent spam to this list

2003-10-13 Thread Andreas Metzler
On Mon, Oct 13, 2003 at 02:47:44PM +0200, Julian Mehnle wrote: > Andreas Metzler wrote: >> Julian Mehnle <[EMAIL PROTECTED]> wrote: >>> Andreas Metzler wrote: If I send an e-mail over mail.nusrf.at with envelope-from [EMAIL PROTECTED] I am _not_ forging anything or making "unauthoriz

RE: recent spam to this list

2003-10-13 Thread Julian Mehnle
Andreas Metzler wrote: > Julian Mehnle <[EMAIL PROTECTED]> wrote: > > Andreas Metzler wrote: > > > If I send an e-mail over mail.nusrf.at with envelope-from > > > [EMAIL PROTECTED] I am _not_ forging anything or making > > > "unauthorized use of domains" > > > > Yes, you are. The envelope-from ad

Re: recent spam to this list

2003-10-13 Thread Riku Voipio
On Mon, Oct 13, 2003 at 12:34:46AM +0200, Tollef Fog Heen wrote: > * Riku Voipio > I have mail-followup-set for a reason. In addition, it is normal > policy on Debian lists not to Cc people unless explicitly requested. Hmm. my mutt setup appears to be b0rken then. sorry about that. need to loo

Re: recent spam to this list

2003-10-13 Thread Andreas Metzler
Julian Mehnle <[EMAIL PROTECTED]> wrote: > Andreas Metzler wrote: >> Julian Mehnle <[EMAIL PROTECTED]> wrote: >> > It's about forging an e-mail sender's identity. By preventing the >> > unauthorized use of domains as the sender domain of e-mails, most of >> > the practiced cases of identity forger

Re: recent spam to this list

2003-10-12 Thread Riku Voipio
On Sun, Oct 12, 2003 at 11:41:45PM +0200, Andreas Metzler wrote: > Julian Mehnle <[EMAIL PROTECTED]> wrote: > > Bernhard R. Link wrote: > >> * Riku Voipio <[EMAIL PROTECTED]> [031012 20:25]: > >> > Second hint: If you insist on your right to forge your email address, > >> > anyone else can forge yo

RE: recent spam to this list

2003-10-12 Thread Julian Mehnle
Tollef Fog Heen wrote: > * Riku Voipio > > Second hint: If you insist on your right to forge your email address, > > anyone else can forge your address as well. Is that a right you really > > need? > > Uhm, how would you forge your own mail address? It's like forging > your own signature, somethi

RE: recent spam to this list

2003-10-12 Thread Julian Mehnle
Andreas Metzler wrote: > Julian Mehnle <[EMAIL PROTECTED]> wrote: > > It's about forging an e-mail sender's identity. By preventing the > > unauthorized use of domains as the sender domain of e-mails, most of > > the practiced cases of identity forgery are prevented. [...] > > If I send an e-mail

Re: recent spam to this list

2003-10-12 Thread Tollef Fog Heen
* Riku Voipio I have mail-followup-set for a reason. In addition, it is normal policy on Debian lists not to Cc people unless explicitly requested. | > I think it's a silly proposal, since it will hinder people like me who | > are sending all their mail from a laptop to send their mail properly

Re: recent spam to this list

2003-10-12 Thread Andreas Metzler
Julian Mehnle <[EMAIL PROTECTED]> wrote: > (Bernhard, please excuse the accidental CC!) > Bernhard R. Link wrote: >> * Riku Voipio <[EMAIL PROTECTED]> [031012 20:25]: >> > Second hint: If you insist on your right to forge your email address, >> > anyone else can forge your address as well. Is that

RE: recent spam to this list

2003-10-12 Thread Julian Mehnle
(Andreas, please excuse the accidental CC!) Andreas Metzler wrote: > Julian Mehnle <[EMAIL PROTECTED]> wrote: > > Convince the owner of these domains that you are (that is, your > > outgoing mail server is) allowed to send mail "from these domains". > > Think "these domains" = debian.org and "out

RE: recent spam to this list

2003-10-12 Thread Julian Mehnle
(Bernhard, please excuse the accidental CC!) Bernhard R. Link wrote: > * Riku Voipio <[EMAIL PROTECTED]> [031012 20:25]: > > Second hint: If you insist on your right to forge your email address, > > anyone else can forge your address as well. Is that a right you really > > need? > > It's about to

Re: recent spam to this list

2003-10-12 Thread Bernhard R. Link
* Riku Voipio <[EMAIL PROTECTED]> [031012 20:25]: > Second hint: If you insist on your right to forge your email address, > anyone else can forge your address as well. Is that a right you really > need? It's about to *use* an e-mail address, not about forging one... > Third hint: You can still c

Re: recent spam to this list

2003-10-12 Thread Riku Voipio
On Thu, Oct 09, 2003 at 10:03:45PM +0200, Tollef Fog Heen wrote: > * Joel Baker > | Last I checked, this was (unfortunately) not yet an RFC, but only a draft > | proposal. It happens to be one I really like the idea of, but I am aware > | of more or less 'nobody' implementing it, nor any significa

Re: recent spam to this list

2003-10-12 Thread Andreas Metzler
Miquel van Smoorenburg <[EMAIL PROTECTED]> wrote: [...] >> And it does not help in the first szenario at all >> (unless you think it to be ok that user a receives the bounces for >> user b). Just for a reminder: Two people using different domains with a changing smarthost on one computer. > If yo

Re: recent spam to this list

2003-10-12 Thread Miquel van Smoorenburg
In article <[EMAIL PROTECTED]>, Andreas Metzler <[EMAIL PROTECTED]> wrote: >Miquel van Smoorenburg <[EMAIL PROTECTED]> wrote: >> You know, there is a difference between Envelope-From (SMTP MAIL FROM:) >> and whatever you put in the From: header. They don't have to be the same. >[...] > >I do know

Re: recent spam to this list

2003-10-12 Thread Andreas Metzler
Miquel van Smoorenburg <[EMAIL PROTECTED]> wrote: > In article <[EMAIL PROTECTED]>, > Andreas Metzler <[EMAIL PROTECTED]> wrote: >> SMTP AUTH is no magic solution, you'd have to start routing mail by >> sender instead of recipient. >> Take myself, sharing a computer at home with somebody else who

Re: recent spam to this list

2003-10-12 Thread Andreas Metzler
Julian Mehnle <[EMAIL PROTECTED]> wrote: > Tollef Fog Heen wrote: [...] >> How would you set up so that my laptop (or yours or whoever's) can >> send mail from about ten different domains if the server you are >> sending to is using SPF and the domain you are sending from have it >> implemented in

Re: recent spam to this list

2003-10-12 Thread Miquel van Smoorenburg
In article <[EMAIL PROTECTED]>, Andreas Metzler <[EMAIL PROTECTED]> wrote: >SMTP AUTH is no magic solution, you'd have to start routing mail by >sender instead of recipient. > >Take myself, sharing a computer at home with somebody else who uses a >completely different domain for her e-mail. Curren

RE: recent spam to this list

2003-10-12 Thread Julian Mehnle
Tollef Fog Heen wrote: > * Gerfried Fuchs > > The concept of SMTP AUTH is completely new to you, is it? Sorry, > > these kind of objections are just as silly as you call the proposal > > silly. > > Uhm, no, why should it be? Having gnus set up to use SMTP auth and > using a different server base

Re: recent spam to this list

2003-10-12 Thread Tollef Fog Heen
* Gerfried Fuchs (Discussion moved from -private, all text and references which refer to stuff not ok to quote outside -private removed.) | * Tollef Fog Heen <[EMAIL PROTECTED]> [2003-10-09 22:03]: | | > I think it's a silly proposal, since it will hinder people like me who | > are sending all t

Re: recent spam to this list

2003-10-10 Thread Andreas Metzler
On Fri, Oct 10, 2003 at 12:21:33PM +0200, Gerfried Fuchs wrote: > * Tollef Fog Heen <[EMAIL PROTECTED]> [2003-10-09 22:03]: >> (please take this off -private, don't sure where, though. Please >> quote me anywhere.) > Same for me -- so this whole message is quoteable outside of -private. Moved t