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Re: [dmarc-ietf] Header Rewriting

Laura Atkins <laura@wordtothewise.com> Wed, 06 January 2021 15:20 UTC

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From: Laura Atkins <laura@wordtothewise.com>
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Date: Wed, 06 Jan 2021 15:20:08 +0000
References: <20210104174623.2545154CFF9F@ary.qy> <FD45F9FC-46B0-40A9-ADC6-DDD7650D62F2@bluepopcorn.net> <ae77d9f-6f63-16ca-903a-7cb463a7b58d@taugh.com> <CABuGu1o2t7WaEOh+nsx3_MRUGgGHqKHzQ9302FM9-HL0GxvJvA@mail.gmail.com> <f15c8f53-8075-99a1-83c7-f687200e6a94@gmail.com> <f640ee95-ba0a-6aa7-1a14-2af1db151e27@mtcc.com> <050e8614-c088-a165-a733-35c5eee52eed@gmail.com> <ECBF25D9-F05C-4DE9-AD97-6D4D01B01B57@wordtothewise.com> <CAH48ZfyTUNg2_PnHFHEtZFemfvBgWBMpGLphGTL=3mRvD9o==w@mail.gmail.com> <D3A51087-6E1A-465F-89CD-63172E8075D4@wordtothewise.com> <b4c0e4fd-30a3-bacb-742f-ae611109af84@mtcc.com>
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Subject: Re: [dmarc-ietf] Header Rewriting
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> On 6 Jan 2021, at 15:14, Michael Thomas <mike@mtcc.com> wrote:
> 
> 
> On 1/6/21 4:52 AM, Laura Atkins wrote:
>> 
>> Most users may know who constantcontact are or mailchimp because they advertise widely. Some might have heard of GoDaddy but do you know what the company name of the GoDaddy ESP is? I don’t off the top of my head.
> 
> An extremely dubious assertion. Source? I barely know who they are and could not name them unless I saw their names first.


That was actually my point. One you decided to clipp out of the email you’re replying to. Having these companies rewrite the 5322.from address to domains they control does not increase security. It is an end run around the small amount of protection DMARC offers and is a bad idea. 

laura 

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