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Written by ari :autism: on 2025-01-23 at 17:40

it only takes 2 DNS records to fully disallow sending email as your domain to protect yourself from forgery

TXT record _dmarc ( _dmarc.example.com ) - "v=DMARC1;p=reject;rua=mailto:;adkim=s;aspf=s;sp=reject"

yall should do it

[#]email #sysadmin #spoofing #dns #emailspoof #emailadmin #domains #dmarc #spf

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