Re: [Mailman-Users] Avoiding DMARC unsubscribes by enabling VERP_PROBES

2014-05-18 Thread Mark Sapiro
On 05/18/2014 01:14 AM, Peter Shute wrote: > Why isn't this the default setting? Is there some disadvantage to it? In addition to what Stephen said, VERP_PROBES requires that your MTA be configured to recognize address local parts of the form listname-bounces+token and deliver them the same as li

Re: [Mailman-Users] Avoiding DMARC unsubscribes by enabling VERP_PROBES

2014-05-18 Thread Stephen J. Turnbull
Peter Shute writes: > Why isn't this the default setting? Is there some disadvantage to > it? Until now, you only needed it when one of your peers was seriously broken. DMARC p=reject now means that AOL and Yahoo! are breaking other hosts en masse. Disadvantage, yes. It requires resources fr

Re: [Mailman-Users] Avoiding DMARC unsubscribes by enabling VERP_PROBES

2014-05-18 Thread Peter Shute
Why isn't this the default setting? Is there some disadvantage to it? Peter Shute Sent from my iPad > On 18 May 2014, at 11:19 am, "Mark Sapiro" wrote: > > A post in another thread reminded me of something I had overlooked until > now. > > If you are a site admin and you are only concerned ab

[Mailman-Users] Avoiding DMARC unsubscribes by enabling VERP_PROBES

2014-05-17 Thread Mark Sapiro
A post in another thread reminded me of something I had overlooked until now. If you are a site admin and you are only concerned about users being unsubscribed because of DMARC policy bounces, and you are not concerned about the mail delivery issues - i.e., it's OK if they miss the occasional post