Hi there,
we are setting up a lot of vanity domains to make sure they can not be used
for abuse.
main domain fresenius.com
vanity 1 fressenius.com etc
My idea was to just to create a DMARC record like :
v=DMARC1; p=reject; rua=mailto:[email protected],
mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected]
; sp=reject; fo=1;
for all newly registered vanity domians and to authorize it in the master
domain. Would this be best practice or do we need for every vanity domain
also a valid SPF and/or DKIM record to be fully compliant. I did not find
any guideline how to do this.
Thank you
Marc
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