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04 Jan 21

Protect domains that don’t send email - GOV.UK

https://www.gov.uk/guidance/protect-domains-that-dont-send-email

How to setup DNS records to ensure that domains that do not send email cannot be used for spoofing.

by mlb 5 years ago
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06 May 09

DNS Oversimplified: How to check your DNS

http://rscott.org/dns/
by pyrho 16 years ago
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