[Mailman-Users] Re: Charter occasionally bouncing mail

2021-11-30 Thread Michael Reeder -- Hygeia MS
Thank you Mark -- I'll play with that setting. -- Michael *Michael Reeder, LCPC * *Hygeia Counseling Services : Baltimore / Mt. Washington Village location* *410-871-TALK / michael(at)hygeiacounseling.com* *http://www.hygeiacounseling.com - main website. * On 11/29/2021 11:41 PM, Mark Sapiro

[Mailman-Users] Re: Charter occasionally bouncing mail

2021-11-30 Thread Jayson Smith
Hi, Don't talk to me about the Microsoft blocklist! I've just had a recent experience of same. On June 11, 2015, my IP was blocked. No mail was accepted by their servers. You know the drill: "Unfortunately, messages from [XX>.XX.XX.XX] weren't sent. Please contact your Internet service

[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
at Microsoft so I have to safe list every blessed new sender!) -- Original message-- *From: *Jon Baron *Date: *Mon, Nov 29, 2021 6:57 AM *To: *Jayson Smith; *Cc: *mailman-users@python.org; *Subject:*[Mailman-Users] Re: Charter occasionally bouncing mail I have had a lot of experience

[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

[Mailman-Users] Re: Charter occasionally bouncing mail

2021-11-28 Thread Jayson Smith
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 DMARC rejection policy. On a slightly

[Mailman-Users] Re: Charter occasionally bouncing mail

2021-11-28 Thread Mark Sapiro
On 11/28/21 7:58 PM, Jayson Smith wrote: Hi, One of my Mailman lists has a single member at Charter which has occasionally bounced mail over the last few days. When this happens, the reason given, when I look it up on their help page, indicates the message I sent goes against the security