Franck Martin wrote:
This issue is handled by DMARC, as it can work on all subdomains with only
one TXT record.
If you try to do the same with SPF only, this may be complicated.
But then DMARC p=reject is not for all.
+1, maybe +2
I now get reports of hosts attempting to send using a subdomain that isn't in
use.
Franck, thanks for your article on DMARC, it truly is a good tool.
-john
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