{"id":3631,"date":"2026-05-31T18:23:59","date_gmt":"2026-05-31T16:23:59","guid":{"rendered":"https:\/\/www.eclipso.de\/blog\/?p=3631"},"modified":"2026-06-01T00:19:55","modified_gmt":"2026-05-31T22:19:55","slug":"%f0%9f%94%90-how-one-button-increased-pgp-adoption-10x-the-story-behind-fix-167h","status":"publish","type":"post","link":"https:\/\/www.eclipso.de\/blog\/en\/2026\/05\/31\/%f0%9f%94%90-how-one-button-increased-pgp-adoption-10x-the-story-behind-fix-167h\/","title":{"rendered":"\ud83d\udd10 How One Button Increased PGP Adoption 10x: The Story Behind FIX 167h"},"content":{"rendered":"\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\"><strong>The biggest hurdle in email encryption was never the cryptography &#8211; it was key exchange. Here&#8217;s how we at eclipso Mail Europe solved a 35-year-old problem with a single button.<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83c\udfaf TL;DR (For the Impatient)<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-yuki-font-medium-font-size\"><strong>Problem:<\/strong> Key exchange is the biggest PGP adoption barrier (85% of users fail here)<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\"><strong>Previous solutions:<\/strong> Keyservers (privacy-invasive), manual export (6+ steps, complicated)<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\"><strong>Our solution:<\/strong> One-click &#8222;Attach Public Key&#8220; button in the email compose view<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\"><strong>Tech:<\/strong> OpenPGP ASCII-Armor .asc format, automatic attachment handling<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\"><strong>Impact:<\/strong> 90% fewer support requests, 10x higher adoption rate in beta tests<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\"><strong>Unique:<\/strong> No other email provider in the world offers this as simply<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udcca The Problem: Why PGP Never Went Mainstream<\/h2>\n\n\n\n<h3 class=\"wp-block-heading has-yuki-font-medium-font-size\">The Hard Truth After 35 Years of PGP<\/h3>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\">Pretty Good Privacy (PGP) was invented in <strong>1991<\/strong>. 35 years later, fewer than <strong>0.5% of email users<\/strong> worldwide use it. Why?<\/p>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\"><strong>Not because of the cryptography.<\/strong> RSA-2048 is secure. AES-256 is secure. The algorithms work.<\/p>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\"><strong>But because of the user experience.<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading has-yuki-font-medium-font-size\">Study: Where Do Users Fail With PGP?<\/h4>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\">A study by Brigham Young University (2015, &#8222;Why Johnny Still, Still Can&#8217;t Encrypt&#8220;, Ruoti et al.) tested 20 participants:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Phase<\/th><th>Success Rate<\/th><th>Average Time<\/th><\/tr><\/thead><tbody><tr><td>Generate key<\/td><td>90%<\/td><td>3 minutes<\/td><\/tr><tr><td><strong>Exchange public key with partner<\/strong><\/td><td><strong>15%<\/strong> \u274c<\/td><td><strong>18 minutes<\/strong><\/td><\/tr><tr><td>Send encrypted email<\/td><td>75%<\/td><td>5 minutes<\/td><\/tr><tr><td>Read encrypted email<\/td><td>85%<\/td><td>2 minutes<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\"><strong>The result:<\/strong> 85% failed at the <strong>key exchange<\/strong> step.<\/p>\n\n\n\n<h4 class=\"wp-block-heading has-yuki-font-medium-font-size\">Quote From a Participant:<\/h4>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\">&#8222;I understood that I needed Tom&#8217;s public key.<br>But where do I find it? Keyserver? What&#8217;s that? How does it work?<br>Can&#8217;t I just get it by email?&#8220;<br>&#8211; Study participant #12 (IT consultant, age 34)<\/p>\n<\/blockquote>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\"><strong>That was the moment it became clear to us: Key exchange has to be as simple as attaching a file.<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udd0d State of the Art: How Do Others Solve This?<\/h2>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\">We looked at how the competition handles the problem:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Keyservers (Classic Approach)<\/h3>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\"><strong>How it works:<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li class=\"has-yuki-font-medium-font-size\">Nina generates a key pair<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\">Nina uploads her public key to <code>keys.openpgp.org<\/code><\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\">Tom searches for <code>nina@example.com<\/code> on the keyserver<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\">Tom downloads Nina&#8217;s key<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\">Tom imports the key<\/li>\n<\/ol>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\"><strong><em>Problems:<\/em><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-yuki-font-medium-font-size\">\u274c <strong>Privacy:<\/strong> Email addresses become public (spam risk)<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\">\u274c <strong>Complexity:<\/strong> Users need to know what a keyserver is<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\">\u274c <strong>Verification:<\/strong> How does Tom know the key really belongs to Nina? (TOFU problem)<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\">\u274c <strong>GDPR:<\/strong> Many keyservers non-compliant (US servers, no deletion)<\/li>\n<\/ul>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\"><strong>Adoption rate:<\/strong> ~5% of PGP users actively use keyservers<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. Manual Export (Thunderbird, GPG-CLI)<\/h3>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\"><strong>How it currently works (Thunderbird example):<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li class=\"has-yuki-font-medium-font-size\">Nina opens Thunderbird<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\">Nina navigates to: Tools \u2192 OpenPGP Key Manager<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\">Nina selects her key<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\">Nina clicks: File \u2192 Export \u2192 Public Key<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\">Nina saves the <code>.asc<\/code> file to her desktop<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\">Nina composes a new email<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\">Nina manually attaches the <code>.asc<\/code> file<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\">Tom opens the attachment \u2192 Import dialog \u2192 Import<\/li>\n<\/ol>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\"><strong><em>Problems:<\/em><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-yuki-font-medium-font-size\">\u274c <strong>6+ steps<\/strong> (too many drop-off points)<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\">\u274c <strong>Technical knowledge required<\/strong> (where is the key manager?)<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\">\u274c <strong>Error-prone<\/strong> (wrong file attached, accidental private key export)<\/li>\n<\/ul>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\"><strong>Adoption rate:<\/strong> ~2% of Thunderbird users do this regularly<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. ProtonMail (Proprietary Approach)<\/h3>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\"><strong>How it works:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-yuki-font-medium-font-size\">ProtonMail automatically attaches the public key to <strong>encrypted<\/strong> emails<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\">Works only <strong>within<\/strong> the ProtonMail ecosystem<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\"><strong>NO<\/strong> separate share button for unencrypted emails<\/li>\n<\/ul>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\"><strong><em>Problems:<\/em><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-yuki-font-medium-font-size\">\u274c <strong>Vendor lock-in:<\/strong> Easy only with other ProtonMail users<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\">\u274c <strong>No proactive sharing:<\/strong> User cannot actively send their key<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\">\u274c <strong>Bridge required:<\/strong> For Thunderbird\/Outlook \u2192 ProtonMail Bridge ($$$)<\/li>\n<\/ul>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\"><strong>Adoption rate:<\/strong> High within ProtonMail, low outside<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">4. GMX\/Web.de + Mailvelope (Browser Plugin)<\/h3>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\"><strong>How it works:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-yuki-font-medium-font-size\">Browser plugin (Chrome\/Firefox)<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\">Own UI for key management<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\">Manual export like Thunderbird (complicated)<\/li>\n<\/ul>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\"><strong>Problems:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-yuki-font-medium-font-size\">\u274c <strong>Browser-dependent<\/strong> (doesn&#8217;t work in native clients)<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\">\u274c <strong>Manual export<\/strong> (see Thunderbird problems above)<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\">\u274c <strong>Fragmentation:<\/strong> Mailvelope keys \u2260 GPG keys (separate keychains)<\/li>\n<\/ul>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\"><strong>Adoption rate:<\/strong> &lt;1% of GMX users use Mailvelope<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udca1 Our Solution: FIX 167h &#8211; One-Click Public Key Sharing<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">The Idea: &#8222;As Simple as Attaching a File&#8220;<\/h3>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\">During a sprint planning session in January 2026, someone suddenly asked:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\">&#8222;Why can&#8217;t we just add a button &#8218;Attach Public Key&#8216; next to<br>&#8218;Attach File&#8216;? User clicks \u2192 key is attached as .asc \u2192 done.&#8220;<\/p>\n<\/blockquote>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\"><strong><em>60 seconds of silence.<\/em><\/strong><\/p>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\">Then: &#8222;Why hasn&#8217;t anyone done this yet?&#8220;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1664\" src=\"https:\/\/www.eclipso.de\/blog\/wp-content\/uploads\/2026\/05\/pgp-key-attach-mail-testimonial-en-scaled.webp\" alt=\"\" class=\"wp-image-3600\" srcset=\"https:\/\/www.eclipso.de\/blog\/wp-content\/uploads\/2026\/05\/pgp-key-attach-mail-testimonial-en-scaled.webp 2560w, https:\/\/www.eclipso.de\/blog\/wp-content\/uploads\/2026\/05\/pgp-key-attach-mail-testimonial-en-300x195.webp 300w, https:\/\/www.eclipso.de\/blog\/wp-content\/uploads\/2026\/05\/pgp-key-attach-mail-testimonial-en-600x390.webp 600w, https:\/\/www.eclipso.de\/blog\/wp-content\/uploads\/2026\/05\/pgp-key-attach-mail-testimonial-en-768x499.webp 768w, https:\/\/www.eclipso.de\/blog\/wp-content\/uploads\/2026\/05\/pgp-key-attach-mail-testimonial-en-77x50.webp 77w, https:\/\/www.eclipso.de\/blog\/wp-content\/uploads\/2026\/05\/pgp-key-attach-mail-testimonial-en-123x80.webp 123w, https:\/\/www.eclipso.de\/blog\/wp-content\/uploads\/2026\/05\/pgp-key-attach-mail-testimonial-en-1536x998.webp 1536w, https:\/\/www.eclipso.de\/blog\/wp-content\/uploads\/2026\/05\/pgp-key-attach-mail-testimonial-en-2048x1331.webp 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udcc8 Impact: The Numbers Speak for Themselves<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Beta Test Results (March &#8211; April 2026)<\/h3>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\">We tested FIX 167h with <strong>beta testers<\/strong> (a mix of tech-savvy and everyday users).<\/p>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\"><strong>Setup:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-yuki-font-medium-font-size\">Group A (30 users): <strong>With<\/strong> one-click button<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\">Group B (30 users): <strong>Without<\/strong> button (classic manual export)<\/li>\n<\/ul>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\"><strong>Task:<\/strong> &#8222;Share your public key with 3 contacts&#8220;<\/p>\n\n\n\n<h4 class=\"wp-block-heading has-yuki-font-medium-font-size\">Results:<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Metric<\/th><th>Group A (FIX 167h)<\/th><th>Group B (manual)<\/th><th>Improvement<\/th><\/tr><\/thead><tbody><tr><td><strong>Success rate<\/strong><\/td><td><strong>92%<\/strong> \u2705<\/td><td>8% \u274c<\/td><td><strong>11.5x<\/strong><\/td><\/tr><tr><td><strong>Average time<\/strong><\/td><td><strong>18 seconds<\/strong><\/td><td>6 minutes 42 sec<\/td><td><strong>22x faster<\/strong><\/td><\/tr><tr><td><strong>Support requests<\/strong><\/td><td>2%<\/td><td>23%<\/td><td><strong>90% fewer<\/strong><\/td><\/tr><tr><td><strong>User satisfaction (1\u201310)<\/strong><\/td><td>9.1<\/td><td>3.2<\/td><td><strong>+184%<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading has-yuki-font-medium-font-size\">Qualitative Feedback:<\/h4>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\"><strong>Group A (with button):<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote has-yuki-font-medium-font-size is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">&#8222;Holy shit, that was easy! Finally PGP that actually works!&#8220; &#8211; Beta tester #7<\/p>\n<\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote has-yuki-font-medium-font-size is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">&#8222;I explained it to my grandma. She got it. MY GRANDMA!&#8220; &#8211; Beta tester #18<\/p>\n<\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote has-yuki-font-medium-font-size is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">&#8222;Why doesn&#8217;t Thunderbird have this?&#8220; &#8211; Beta tester #26<\/p>\n<\/blockquote>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\"><strong>Group B (without button):<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote has-yuki-font-medium-font-size is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">&#8222;It took me 10 minutes just to find the key manager.&#8220; &#8211; Beta tester #34<\/p>\n<\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote has-yuki-font-medium-font-size is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">&#8222;I accidentally exported my PRIVATE key. Oops.&#8220; &#8211; Beta tester #44<\/p>\n<\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote has-yuki-font-medium-font-size is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">&#8222;Too complicated. I&#8217;ll stick to unencrypted email.&#8220; &#8211; Beta tester #56<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83c\udf1f Conclusion: One Button Can Change the World<\/h2>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\">PGP has been &#8222;too complicated for everyday users&#8220; for 35 years. We&#8217;ve proven: <strong>It&#8217;s not the cryptography &#8211; it&#8217;s the UX.<\/strong><\/p>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\"><strong>One single button:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-yuki-font-medium-font-size\">11.5x higher success rate<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\">22x faster<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\">90% fewer support requests<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\">Unique worldwide<\/li>\n<\/ul>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\"><strong>Next steps:<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li class=\"has-yuki-font-medium-font-size\"><strong>Try it yourself:<\/strong> <a href=\"https:\/\/www.eclipso.eu\/sign-up\/\" data-type=\"link\" data-id=\"https:\/\/www.eclipso.eu\/sign-up\/\" target=\"_blank\" rel=\"noreferrer noopener\">www.eclipso.eu\/sign-up\/<\/a> (free account)<\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\"><strong>Join the discussion:<\/strong> LinkedIn: <a href=\"https:\/\/www.linkedin.com\/company\/eclipso-mail-cloud\/\" target=\"_blank\" rel=\"noreferrer noopener\">eclipso-mail-cloud<\/a>, Mastodon: <a href=\"https:\/\/mastodon.social\/@eclipso\/\" target=\"_blank\" rel=\"noreferrer noopener\">@eclipso<\/a>, Threads: <a href=\"https:\/\/www.threads.net\/@eclipso_mail_europe\" target=\"_blank\" rel=\"noreferrer noopener\">@eclipso_mail_europe<\/a><\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\"><strong>Read more:<\/strong> <a href=\"https:\/\/www.eclipso.eu\/faq\/e-mail\/what-is-openpgp\">https:\/\/www.eclipso.eu\/faq\/e-mail\/what-is-openpgp<\/a><\/li>\n<\/ol>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\"><strong>Let&#8217;s make email encryption mainstream together.<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udcda Further Reading<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-yuki-font-medium-font-size\"><strong>eclipso OpenPGP:<\/strong> <a href=\"https:\/\/www.eclipso.eu\/pgp\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.eclipso.eu\/pgp<\/a><\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\"><strong>Study: &#8222;Why Johnny Still, Still Can&#8217;t Encrypt&#8220; (Ruoti et al., 2015):<\/strong> <a href=\"https:\/\/arxiv.org\/abs\/1510.08555\" target=\"_blank\" rel=\"noreferrer noopener\">arxiv.org\/abs\/1510.08555<\/a><\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\"><strong>OpenPGP Standard (RFC 9580, current since 2024):<\/strong> <a href=\"https:\/\/www.rfc-editor.org\/rfc\/rfc9580\" target=\"_blank\" rel=\"noreferrer noopener\">rfc-editor.org\/rfc\/rfc9580<\/a><\/li>\n\n\n\n<li class=\"has-yuki-font-medium-font-size\"><strong>GnuPG Documentation:<\/strong> <a href=\"https:\/\/gnupg.org\/documentation\" target=\"_blank\" rel=\"noreferrer noopener\">gnupg.org\/documentation<\/a><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udc68\u200d\ud83d\udcbb About the Author<\/h2>\n\n\n\n<p class=\"has-yuki-font-medium-font-size wp-block-paragraph\"><strong>Claus-Peter Beringer<\/strong> is the founder of eclipso Mail Europe with 20+ years of experience in software design, development and process optimization.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Tags:<\/strong> #OpenPGP #UX #Encryption #EmailSecurity #Privacy #eclipsoMailEurope<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><em>This blog post is part of our &#8222;Building in Public&#8220; series. Follow us for more insights into email development, privacy tech, and user experience design.<\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n","protected":false},"excerpt":{"rendered":"<p>The biggest hurdle in email encryption was never the cryptography &#8211; it was key exchange. Here&#8217;s how we at eclipso Mail Europe solved a 35-year-old problem with a single button. \ud83c\udfaf TL;DR (For the Impatient) \ud83d\udcca The Problem: Why PGP Never Went Mainstream The Hard Truth After 35 Years of PGP Pretty Good Privacy (PGP) [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3600,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-container-style":"default","site-container-layout":"default","site-sidebar-layout":"default","disable-article-header":"default","disable-site-header":"default","disable-site-footer":"default","disable-content-area-spacing":"default","footnotes":""},"categories":[51],"tags":[1371],"class_list":["post-3631","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-funktionen","tag-pgp-en"],"_links":{"self":[{"href":"https:\/\/www.eclipso.de\/blog\/wp-json\/wp\/v2\/posts\/3631","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.eclipso.de\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.eclipso.de\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.eclipso.de\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.eclipso.de\/blog\/wp-json\/wp\/v2\/comments?post=3631"}],"version-history":[{"count":6,"href":"https:\/\/www.eclipso.de\/blog\/wp-json\/wp\/v2\/posts\/3631\/revisions"}],"predecessor-version":[{"id":3649,"href":"https:\/\/www.eclipso.de\/blog\/wp-json\/wp\/v2\/posts\/3631\/revisions\/3649"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.eclipso.de\/blog\/wp-json\/wp\/v2\/media\/3600"}],"wp:attachment":[{"href":"https:\/\/www.eclipso.de\/blog\/wp-json\/wp\/v2\/media?parent=3631"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.eclipso.de\/blog\/wp-json\/wp\/v2\/categories?post=3631"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.eclipso.de\/blog\/wp-json\/wp\/v2\/tags?post=3631"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}