Freddie Leeman
freddieleeman.bsky.social
Freddie Leeman
@freddieleeman.bsky.social
Code cruncher by day, smart home alchemist by night, fiercely guarding the realms of privacy and security.
Reposted by Freddie Leeman
DMARCbis replaces the PSL with DNS Tree Walk: What's the Difference? www.uriports.com/blog/dmarcbi... #DMARC #DMARCbis #DNS
April 24, 2025 at 10:23 AM
Ever wonder what email servers are doing behind the scenes? At learndmarc.com, we turned the confusing world of email authentication into a visual story.

📡 Watch servers talk it out.
🎯 Take the DMARC quiz.
📬 Paste email headers.

Perfect for learners and IT pros!
April 20, 2025 at 2:24 PM
Google DMARC reports are back! After going quiet since April 13, Google has resumed sending DMARC aggregate reports as of 19:15 UTC today. So far, the reports only include data from yesterday (April 16), but it is a good sign that things are starting to flow again.

#DMARC #EmailSecurity #Google
April 17, 2025 at 9:24 PM
Chrome now supports potential-permissions-policy-violation Reports! With the latest 134 update, Chrome can now generate potential-permissions-policy-violation reports, helping developers catch Permissions Policy conflicts before they happen. More in our latest blog: www.uriports.com/blog/potenti...
Potential Permissions Policy violation Reports
URIports now supports potential-permissions-policy-violation reports, helping detect iframe permission conflicts before features are used. This improves security monitoring, prevents misconfigurations...
www.uriports.com
March 13, 2025 at 10:59 AM
I’ve made something today. A tool to help you verify your Web Key Directory (WKD) configuration. For anyone using #OpenPGP, #WKD makes your public key discoverable using only your email address by placing a binary version of your key in the .well-known folder. What do you think? WebKeyDirectory.com
Web Key Directory Validator
Publish Your Public OpenPGP Key with Confidence.
WebKeyDirectory.com
February 19, 2025 at 7:28 PM
I’ve just published an updated blog post on BIMI adoption! Key highlights: 28% increase in overall BIMI records since May 2024. 64% surge in domains with BIMI configuration errors. Over 8% of VMC certificates are expired, and 10% are invalid. www.uriports.com/blog/bimi-20...

#BIMI #EmailSecurity
BIMI: Updated Analysis of the Top 1 Million Domains
In May 2024, I analyzed the top 1 million domains for BIMI (Brand Indicators for Message Identification) compliance, revealing adoption rates, errors, and trends. Now, with updated data, I revisit thi...
www.uriports.com
January 16, 2025 at 3:59 PM
📢 We’ve enhanced our BIMI validator to include checks for Entrust certificates issued after November 15, 2024. These certificates are no longer trusted by Apple, meaning their recipients (@icloud.com, @mac.com, and @me.com) may stop seeing the verified logo. www.uriports.com/tools?method...
Check SPF, DMARC, DKIM, and MTA-STS. We validate syntax, check for RFC compliance and make suggestions.
URIports. Real-time reporting for websites and email
www.uriports.com
January 15, 2025 at 11:19 AM
Just got my first batch of Everything Presence Lite sensors! With the new zone configurator, they might just replace my Aqara FP2s. They’re noticeably smaller, and my first impression is very positive! First task: designing and 3D printing a corner mount.
December 12, 2024 at 5:02 PM
Fellow email nerds, quick question for you—without peeking at the RFC! What types of reports does DMARC support? This question is taken from learndmarc.com/quiz. #DMARC #email #authentication #deliverability
December 11, 2024 at 9:56 AM