Jose Pollman
I build small free web tools that check whether things are what they claim to be. Mostly email authentication: SPF, DKIM, DMARC, DNS. I write about what the specs actually say.
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I build small free web tools that check whether things are what they claim to be. Mostly email authentication: SPF, DKIM, DMARC, DNS. I write about what the specs actually say.
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