Re: [Mailman-Users] Yahoo Groups' From munging and X-Original-From

2014-05-26 Thread Mark Sapiro
On 05/25/2014 11:35 PM, Mark Rousell wrote: > On 26/05/2014 07:24, Stephen J. Turnbull wrote: >> John Levine writes: >> >> > This is one of the most annoying things about Yahoo and AOL's misuse >> > of DMARC -- they're practically forcing people to use hacks to show >> > unauthenticated fake Fro

Re: [Mailman-Users] Yahoo Groups' From munging and X-Original-From

2014-05-26 Thread John Levine
>a) It seems to me that this or something like it (i.e. new de facto >standard headers to work around the problem) is surely an almost >inevitable outcome anyway. I wouldn't count on it. The reasonable approach to this kind of nonsense is for the relatively small set of ISPs using DMARC policy to

Re: [Mailman-Users] Yahoo Groups' From munging and X-Original-From

2014-05-25 Thread Mark Rousell
On 26/05/2014 07:24, Stephen J. Turnbull wrote: > John Levine writes: > > > This is one of the most annoying things about Yahoo and AOL's misuse > > of DMARC -- they're practically forcing people to use hacks to show > > unauthenticated fake From: lines. > > Not only that, they're doing it the

Re: [Mailman-Users] Yahoo Groups' From munging and X-Original-From

2014-05-25 Thread Stephen J. Turnbull
John Levine writes: > This is one of the most annoying things about Yahoo and AOL's misuse > of DMARC -- they're practically forcing people to use hacks to show > unauthenticated fake From: lines. Not only that, they're doing it themselves. :-( ---

Re: [Mailman-Users] Yahoo Groups' From munging and X-Original-From

2014-05-25 Thread Mark Rousell
On 26/05/2014 03:22, John Levine wrote: >> Until spammers figure out they can send mail >> >> From: spam...@evildomain.com >> X-Original-From: whate...@yahoo.com > > This is one of the most annoying things about Yahoo and AOL's misuse > of DMARC -- they're practically forcing people to use hacks t

Re: [Mailman-Users] Yahoo Groups' From munging and X-Original-From

2014-05-25 Thread Mark Rousell
On 26/05/2014 01:31, Mark Sapiro wrote: > On 05/25/2014 11:31 AM, Mark Rousell wrote: >> >> Whilst mail client recognition of the X-Original-From header would >> alter what users see (which is in fact a key goal in this context, >> not a bug), DMARC would nevertheless still be effective in terms of

Re: [Mailman-Users] Yahoo Groups' From munging and X-Original-From

2014-05-25 Thread John Levine
>Until spammers figure out they can send mail > >From: spam...@evildomain.com >X-Original-From: whate...@yahoo.com This is one of the most annoying things about Yahoo and AOL's misuse of DMARC -- they're practically forcing people to use hacks to show unauthenticated fake From: lines. R's, John

Re: [Mailman-Users] Yahoo Groups' From munging and X-Original-From

2014-05-25 Thread Mark Sapiro
On 05/25/2014 11:31 AM, Mark Rousell wrote: > > Whilst mail client recognition of the X-Original-From header would alter > what users see (which is in fact a key goal in this context, not a bug), > DMARC would nevertheless still be effective in terms of its own design > goals in that mail servers

Re: [Mailman-Users] Yahoo Groups' From munging and X-Original-From

2014-05-25 Thread Mark Rousell
On 25/05/2014 18:48, Richard Damon wrote: > On 5/25/14, 11:48 AM, Mark Rousell wrote: > My view is that any attempt to have the Mail User Agent show a message > that went through a mailing list as if it originated from the original > poster (and only from that poster) is doomed, because the whole p

Re: [Mailman-Users] Yahoo Groups' From munging and X-Original-From

2014-05-25 Thread Mark Rousell
On 25/05/2014 18:27, Peter Shute wrote: > I'm not comfortable with an email address in the display name not matching > the real address. If I saw that in a non list email, it would look spammy to > me. I agree with you in the case of a non-list email but for a list email it seems to me to make p

Re: [Mailman-Users] Yahoo Groups' From munging and X-Original-From

2014-05-25 Thread Richard Damon
On 5/25/14, 11:48 AM, Mark Rousell wrote: > What do you think of Yahoo Groups' From munging style and their > X-Original-From header? > > Here is an example: > > X-Original-From: Mark Rousell > From: "Mark Rousell ma...@signal100.com [some-mail-list]" > > > > I feel this is one of the bette

Re: [Mailman-Users] Yahoo Groups' From munging and X-Original-From

2014-05-25 Thread Peter Shute
I'm not comfortable with an email address in the display name not matching the real address. If I saw that in a non list email, it would look spammy to me. I don't like the idea of users getting used to seeing that sort of thing as normal, and there's the problem that lots of mail clients will o

[Mailman-Users] Yahoo Groups' From munging and X-Original-From

2014-05-25 Thread Mark Rousell
What do you think of Yahoo Groups' From munging style and their X-Original-From header? Here is an example: X-Original-From: Mark Rousell From: "Mark Rousell ma...@signal100.com [some-mail-list]" I feel this is one of the better combinations of munging and new headers. All the informa