On 05/13/2014 10:47 AM, Mark Sapiro wrote:
>> Today I experimented with first_strip_reply_to set to No.  
>>
>> This means that a reply is addressed to both the list and to previous 
>> author. 
>> If nodups = Yes. 
>> Then the previous author will get only 1 copy of the message. But the copy 
>> they get is the direct mail (including senders email address), not the list 
>> mail. When that person replies to the message, it will only go to the most 
>> recent previous author, not to the list. 
>>
>> Maybe this is acceptable(?), since most of the time people don't reply to 
>> their own list messages?  
>
> DMARC has forced mitigation responses. As far as I can tell, there are
> no ways to deal with this that don't involve impacts on message
> readability, replies or both other than not accepting messages From:
> domains with DMARC p=reject.
>
>
>

I have chosen, at least temporarily, to rewrite the from header as follows:

s/^(From:.*)([^ \t<>]+)@((yahoo|aol)\.com)/\1\2-AT-\3...@mydomain.com/

So, addresses get rewritten as:

From: yahoousername-at-yahoo....@mydomain.com

and I do this only for domains which use p=reject and I make sure that
there is always a reply-to header, since the From is no longer a valid
email address.

My sense is that someone could come up with arguments as to why this is
a bad idea, but so far I like what it looks like to the user better than
other options I have seen.

I have not yet installed the 2.1.18 release though I hope to do that soon.

Nataraj


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