The problem is bigger than yahoo. Comcast, AT&T Worldnet, Microsoft, Rogers and several other ISPs implemented DMARC at the same time. We are getting bounces whenever someone on any of these services posts to our list.

The irony is that posts get to users of these ISPs if they come from someone not using the DMARC-enabled ISPs, and posts from the DMARC-enabled ISPs get to users NOT on DMARC enabled ISPs. The only posts that are blocked are those that are distributed to DMARC-enabled ISPs when the post was from one of the DMARC-enabled ISPs.

best regards,
Larry
Admin, hmssurprise.org


On Apr 10, 2014, at 3:55 PM, Eckstine, Nate <[log in to unmask]> wrote:

Setting the yahoo.com addresses to review per this email fixed the problem in the short term for me. About 10 percent of our lists are discussion lists and this covered a few hundred yahoo subscribers.

Thanks nate

-----Original Message-----
From: LISTSERV List Owners' Forum [mailto:[log in to unmask]] On Behalf Of Charles Clausen
Sent: Thursday, April 10, 2014 10:02 AM
To: [log in to unmask]
Subject: Re: Yahoo/Hotmail bulk error

On Thu, 10 Apr 2014 11:08:05 -0500, Eric Johnson <[log in to unmask]> wrote:

I have asked Ben Parker about doing this very thing but never heard back from him.

Charles Clausen <[log in to unmask]> wrote:

What I finally decided to do was to put all Yahoo subscribers in moderated status, then post this message to our list:


Ben and the LSoft people are probably kind of busy pounding on the !@#$ Yahoo people.  :-)

Here is how I implemented it:

#1 - to check which Yahoo subscribers are already on moderated status, send this command to your admin server:

query [listname] with review for *@yahoo.com

Decide which of these subscriptions you would want to delete, then delete them. Also decide which of them should be re-established in moderated status if and when the Yahoo problem is resolved.

#2 - Send this command to your admin server:

quiet set [listname] review for *@yahoo.com

The server will return a neat listing of all yahoo subscribers that have been set to moderated status, and all that were already in moderated status.

#3 - Post a message to your list explaining to your subscribers what the situation is.

Charles Clausen

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