SPF, DKIM and DMARC – How do receiving/recipient mail servers know how and when to validate the mail?

I have spent a bit of time researching SPF, DKIM and DMARC mechanisms however If I understand correctly, these help the recipient to confirm whether the domain is legitimate but only if they have these mechanisms configured c… Continue reading SPF, DKIM and DMARC – How do receiving/recipient mail servers know how and when to validate the mail?

Missed DNS Flag Day? It’s Not Too Late to Upgrade Your Domain Security

Whether or not you plan on using DNS cookies or DNSSEC, foreseeing an upgrade plan for your software to the latest version made available as part of DNS Flag Day is highly advised.

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Continue reading Missed DNS Flag Day? It’s Not Too Late to Upgrade Your Domain Security