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:71676...@mxtoolbox.dmarc-report.com,
mailto:92ef88808ad6...@rep.dmarcanalyzer.com,mailto:yjgni...@ag.dmarcian.com;ruf=mailto:92ef88808ad6...@for.dmarcanalyzer.com,mailto:yjgni...@ag.dmarcian.com
; 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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