Re: [Discuss] DMARC issue, Yahoo and beyond

2014-05-17 Thread Jerry Feldman
On 05/16/2014 04:47 PM, Bill Horne wrote: On 5/16/2014 2:10 PM, Derek Atkins wrote: Matthew Gillenm...@mattgillen.net writes: On 05/16/2014 12:52 PM, Bill Horne wrote: My first question is whether mailman allows the BLU to selectively munge headers based on the recipient's preferences: if

Re: [Discuss] DMARC issue, Yahoo and beyond

2014-05-17 Thread Jerry Feldman
On 05/16/2014 01:35 PM, Richard Pieri wrote: The [Discuss] tags are unnecessary. Every message that comes through the list has readily identifiable Sender (RFC 2822) and List-ID (RFC 2919) field contents. I beg to differ. While I use LIST-ID, many users have rules based on the subject line.

Re: [Discuss] DMARC issue, Yahoo and beyond

2014-05-17 Thread Edward Ned Harvey (blu)
From: discuss-bounces+blu=nedharvey@blu.org [mailto:discuss- bounces+blu=nedharvey@blu.org] On Behalf Of Bill Horne I just posted from a Yahoo account, but I don't think that's the issue: the problem, if I understand it, is that other subscribers to this list who have gmail,

Re: [Discuss] DMARC issue, Yahoo and beyond

2014-05-17 Thread Edward Ned Harvey (blu)
From: discuss-bounces+blu=nedharvey@blu.org [mailto:discuss- bounces+blu=nedharvey@blu.org] On Behalf Of Bill Horne My first question is whether mailman allows the BLU to selectively munge headers based on the recipient's preferences: The answer to that question is in the mailman

Re: [Discuss] DMARC issue, Yahoo and beyond

2014-05-17 Thread Edward Ned Harvey (blu)
From: discuss-bounces+blu=nedharvey@blu.org [mailto:discuss- bounces+blu=nedharvey@blu.org] On Behalf Of Matthew Gillen which might break threading on mail clients that rely on same-subject (do any really do that anymore?) All the mail clients that I know of, attempt to

Re: [Discuss] DMARC issue, Yahoo and beyond

2014-05-17 Thread Edward Ned Harvey (blu)
From: discuss-bounces+blu=nedharvey@blu.org [mailto:discuss- bounces+blu=nedharvey@blu.org] On Behalf Of Bill Horne It was added in 2.1.16, and fixed in 2.1.18. Since the BLU is currently using 2.1.12, I think an obvious solution is available ... How many

Re: [Discuss] DMARC issue, Yahoo and beyond

2014-05-17 Thread Richard Pieri
Jerry Feldman wrote: I beg to differ. While I use LIST-ID, many users have rules based on the subject line. Is there some grand force out there that prevents subscribers from changing their filter rules to use proper header fields? While, on this list, if I turned this off it probably would

Re: [Discuss] DMARC issue, Yahoo and beyond

2014-05-17 Thread Jerry Feldman
On 05/17/2014 08:52 AM, Edward Ned Harvey (blu) wrote: From: discuss-bounces+blu=nedharvey@blu.org [mailto:discuss- bounces+blu=nedharvey@blu.org] On Behalf Of Bill Horne It was added in 2.1.16, and fixed in 2.1.18. Since the BLU is currently using 2.1.12, I think an obvious solution

Re: [Discuss] DMARC issue, Yahoo and beyond

2014-05-17 Thread Jerry Feldman
On 05/17/2014 09:03 AM, Richard Pieri wrote: Jerry Feldman wrote: I beg to differ. While I use LIST-ID, many users have rules based on the subject line. Is there some grand force out there that prevents subscribers from changing their filter rules to use proper header fields? While, on

Re: [Discuss] DMARC issue, Yahoo and beyond

2014-05-17 Thread Richard Pieri
Jerry Feldman wrote: Yes it is. We host thousands of members on our listservs, and many of them use email clients that do not have the capability of selecting on list-id. Like I said, this is not your problem. Nor is it your responsibility to break mail handling standards to cater to broken

Re: [Discuss] Yahoo and Exim4 configuraiton

2014-05-17 Thread Nuno Sucena Almeida
On 05/16/2014 11:53 AM, Richard Pieri wrote: Not a misconfiguration per se. exim4's TLS key exchange wants at least 1024 bits of prime number by default but Yahoo is using fewer bits than that. You can change this in your local exim4 config with the TLS_DH_MIN_BITS setting (a value of 512

Re: [Discuss] DMARC issue, Yahoo and beyond

2014-05-17 Thread Bill Horne
On 5/17/2014 8:52 AM, Edward Ned Harvey (blu) wrote: From: discuss-bounces+blu=nedharvey@blu.org [mailto:discuss- bounces+blu=nedharvey@blu.org] On Behalf Of Bill Horne It was added in 2.1.16, and fixed in 2.1.18. Since the BLU is currently using 2.1.12, I think an obvious solution is

Re: [Discuss] DMARC issue, Yahoo and beyond

2014-05-17 Thread Tom Metro
Edward Ned Harvey (blu) wrote: Apparently yahoo recently set their DMARC policy to reject... It seems, the solution is to enable from_is_list so the message will actually send From: Edward Ned Harvey via The List and Reply-To: Edward Ned Harvey myem...@nedharvey.com Richard Pieri wrote:

Re: [Discuss] DMARC issue, Yahoo and beyond

2014-05-17 Thread Edward Ned Harvey (blu)
From: discuss-bounces+blu=nedharvey@blu.org [mailto:discuss- bounces+blu=nedharvey@blu.org] On Behalf Of Bill Horne Have you looked into who's behind creating DMARC? AOL, Google, Microsoft, Yahoo, Facebook, Comcast, and others. If you're inferring that the advertiser-supported

Re: [Discuss] DMARC issue, Yahoo and beyond

2014-05-17 Thread Richard Pieri
Tom Metro wrote: So the gist of the problem is that DMARC is asserting that mail from a particular sender should be originating from certain servers, and unlike SPF (also part of DMARC, but not the part causing problems), this looks not at the envelope sender address, but the RFC822 message