[Mailman-Users] AOL screening Reply-To header thru DMARC ?

2014-10-18 Thread Ed Ravin
I'm setting up a new Mailman server to replace an elderly MajorDomo that isn't DMARC-compatible. I set up the list to use the list's address as the From address and to put the sender's address in Reply-To:. I started playing around with a test list - in no time at all, AOL began bouncing all my

Re: [Mailman-Users] AOL screening Reply-To header thru DMARC ?

2014-10-18 Thread Mark Sapiro
On 10/17/2014 10:33 PM, Ed Ravin wrote: I set up the list to use the list's address as the From address and to put the sender's address in Reply-To:. I started playing around with a test list - in no time at all, AOL began bouncing all my mail. After researching AOL's error messages, it

Re: [Mailman-Users] AOL screening Reply-To header thru DMARC ?

2014-10-18 Thread John Levine
I have a somewhat different issue. I am using dmarc_moderation_action = Munge From, and when an AOL user posts to the list, the list message sent back to the user bounces with 521 5.2.1 : AOL will not accept delivery of this message. (in reply to end of DATA command)). The same messages sent to

Re: [Mailman-Users] AOL screening Reply-To header thru DMARC ?

2014-10-18 Thread Mark Sapiro
On 10/18/2014 11:26 AM, John Levine wrote: I have a somewhat different issue. I am using dmarc_moderation_action = Munge From, and when an AOL user posts to the list, the list message sent back to the user bounces with 521 5.2.1 : AOL will not accept delivery of this message. (in reply to end

Re: [Mailman-Users] AOL screening Reply-To header thru DMARC ?

2014-10-18 Thread Stephen J. Turnbull
John Levine writes: I would be surprised if AOL were doing DMARC checks on Reply-To, and agree that it's not a problem worth solving. I wouldn't. As you know, John, we (dm...@ietf.org) are all expecting the spammers to emulate these DMARC mitigation various tricks. If they have any

Re: [Mailman-Users] AOL screening Reply-To header thru DMARC ?

2014-10-18 Thread Stephen J. Turnbull
Mark Sapiro writes: If and when there is an accepted standard governing this behavior, I'll consider it. In the mean time, I'm not interested in accommodating non-compliant behavior by one rogue ESP. I'm in complete sympathy, but unfortunately that rogue provider is still the MTA for tens

Re: [Mailman-Users] AOL screening Reply-To header thru DMARC ?

2014-10-18 Thread Ed Ravin
On Sat, Oct 18, 2014 at 11:03:11AM -0700, Mark Sapiro wrote: ... I have a somewhat different issue. I am using dmarc_moderation_action = Munge From, and when an AOL user posts to the list, the list message sent back to the user bounces with 521 5.2.1 : AOL will not accept delivery of this