Actually I found the answer in an old listserv message:

DEBUG_DMARC_REWRITE
https://peach.ease.lsoft.com/scripts/wa-PEACH.exe?A3=1609&L=LSTSRV-L&E=quoted-printable&P=67574&B=--&T=text%2Fplain;%20charset=ISO-8859-1&header=1

I couldn't find where to set it in the GUI but it worked in the site.cfg file.

Krista


On Wed, Apr 13, 2022 at 2:13 PM Krista <[log in to unmask]> wrote:

> We're having problems with O365 refusing routing messages to Junk if
> they're coming from our ListServ server on our Intranet.  It looks like it
> would work if p=reject were set for the top domain (of which our server is
> a subdomain) but it's only set on their external DNS records, and not on
> the Internal DNS record, which the ListServ server looks at.
>
> Is it possible to get the server to rewrite the From as if the p=reject
> were set for that specific domain?  I know it's usually an automatic
> process but we need to require it manually (I don't think I'd be
> successful in getting them to add the DMARC p=reject to the internal DNS
> record).
>
> Krista Landon
>

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