Yeah, same here. I asked the list in December but got no response, so I had
assumed either it was just known to everyone and uninteresting to answer, or
that I was somehow the only one experiencing this.
https://list.mailop.org/private/mailop/2024-December/030195.html
Groetjes,
Louis
On Monday, January 27, 2025 9:12 PM, Erwin Harte via mailop <[email protected]>
wrote:
> Hello,
>
> We're seeing some odd behavior where, when a transport rule at Microsoft's
> email offerings passes along the message, sometimes it is stripping off the
> typical MIME preamble:
>
> This is a multi-part message in MIME format
>
>
> If there is a DKIM signature, that then no longer matches, which is a tad
> problematic.
>
>
> Question now is
>
> 1. Have others here noticed this behavior (a.k.a we're not crazy, or at least
> not very), and
> 2. Maybe even know of a way to avoid it, that we can pass along, or even
> better,
> 3. Is anyone from Microsoft reading this that could make a difference in
> getting this (bug, I assume) fixed?
>
> Thanks in advance,
> Erwin
>
>
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