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Understand DMARC DNS Record

DMARC, which stands for Domain-based Message Authentication, Reporting, and Conformance, is a DNS TXT record that can be published for a domain to control what happens if a message fails authentication (i.e., the recipient server can’t verify that the message’s sender is who they say they are). A published DMARC record basically serves two purposes: Read More

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What is The Difference Between SSL Certificate Formats? – PEM CRT DER CER KEY PFX P12 P7B P7C

PEM Format The PEM format is the most common format that Certificate Authorities issue certificates in. PEM certificates usually have extensions such as .pem, .crt, .cer, and .key. They are Base64 encoded ASCII files and contain “—–BEGIN CERTIFICATE—–” and “—–END CERTIFICATE—–” statements. Server certificates, intermediate certificates, and private keys can all be put into the PEM format. Apache Read More

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How to Use Adobe Fonts Revealer

ProblemYour licensed and activated Adobe Fonts are not accessible. (1) They are stored (hidden) under (macOS): $HOME/Library/Application\ Support/Adobe/CoreSync/plugins/livetype/.r/. And (2), the filenames are some sort of id, which is good for Adobe managing the files, yet not human-readable. SolutionThis script copies all activated font files to your Downloads directory and renames all of them to what they represent. Read More