[Mailman-Users] Re: Charter occasionally bouncing mail

2021-11-29 Thread Mark Sapiro
On 11/29/21 2:24 PM, Michael Reeder -- Hygeia MS wrote: Regarding Microsoft-hosted email -- they also frequently block ALL lists on the basis that the email was not specifically addressed to the recipient. If you enable full personalization for a list, mail from the list will be addressed

[Mailman-Users] Re: Charter occasionally bouncing mail

2021-11-29 Thread Michael Reeder -- Hygeia MS
Regarding Microsoft-hosted email -- they also frequently block ALL lists on the basis that the email was not specifically addressed to the recipient. I wrote a tutorial for my users about how to add my list addresses to the safe senders list (known elsewhere as a white list). It is found

[Mailman-Users] Re: Charter occasionally bouncing mail

2021-11-29 Thread Mark Sapiro
On 11/28/21 9:51 PM, Jayson Smith wrote: Hi again, Good point about DMARC. Does anyone know if Charter suddenly started caring about some DMARC policies on or around this past Friday? I have my list set to munge the From: lines of messages from senders E.G. AOL, Yahoo, etc. that publish a

[Mailman-Users] Re: Charter occasionally bouncing mail

2021-11-29 Thread Bruce Johnson via Mailman-Users
On Nov 29, 2021, at 5:31 AM, Stephen J. Turnbull mailto:stephenjturnb...@gmail.com>> wrote: Jayson Smith writes: Good point about DMARC. Does anyone know if Charter suddenly started caring about some DMARC policies on or around this past Friday? I for one don't know. You'd have to ask their

[Mailman-Users] Re: Charter occasionally bouncing mail

2021-11-29 Thread Stephen J. Turnbull
Jayson Smith writes: > Good point about DMARC. Does anyone know if Charter suddenly started > caring about some DMARC policies on or around this past Friday? I for one don't know. You'd have to ask their postmaster, or get the subscriber to do so, to be sure. I think it's as likely that

[Mailman-Users] Re: Charter occasionally bouncing mail

2021-11-29 Thread Jon Baron
I have had a lot of experience with these things. Here are some observations. I have a list of 4000+ subscribers around the world. I have SPF and DKIM but not DMARC. (I never say much point in DMARC, and it does not seem necessary.) Right now every single one of the 4000+ subscribers accepts the