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id=theme-toggle accesskey=t title="(Alt + T)" aria-label="Toggle theme"><svg id="moon" width="24" height="18" viewBox="0 0 24 24" fill="none" stroke="currentcolor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 12.79A9 9 0 1111.21 3 7 7 0 0021 12.79z"/></svg><svg id="sun" width="24" height="18" viewBox="0 0 24 24" fill="none" stroke="currentcolor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="5"/><line x1="12" y1="1" x2="12" y2="3"/><line x1="12" y1="21" x2="12" y2="23"/><line x1="4.22" y1="4.22" x2="5.64" y2="5.64"/><line x1="18.36" y1="18.36" x2="19.78" y2="19.78"/><line x1="1" y1="12" x2="3" y2="12"/><line x1="21" y1="12" x2="23" y2="12"/><line x1="4.22" y1="19.78" x2="5.64" y2="18.36"/><line x1="18.36" y1="5.64" x2="19.78" y2="4.22"/></svg></button></div></div><ul id=menu><li><a href=https://blog.alipour.eu/posts/ title=Posts><span>Posts</span></a></li><li><a href=https://blog.alipour.eu/phd_journey/ title=PhD_journey><span>PhD_journey</span></a></li><li><a href=https://blog.alipour.eu/about/ title=About><span>About</span></a></li></ul></nav></header><main class=main><header class=page-header><div class=breadcrumbs><a href=https://blog.alipour.eu/>Home</a> » <a href=https://blog.alipour.eu/categories/>Categories</a></div><h1>Guides
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<a href=/categories/guides/index.xml title=RSS aria-label=RSS><svg viewBox="0 0 24 24" fill="none" stroke="currentcolor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" height="23"><path d="M4 11a9 9 0 019 9"/><path d="M4 4a16 16 0 0116 16"/><circle cx="5" cy="19" r="1"/></svg></a></h1></header><article class="post-entry tag-entry"><header class=entry-header><h2 class=entry-hint-parent>Self-hosting mail the hard way (Postfix + Dovecot + PostfixAdmin + Roundcube, and zero Mailcow)</h2></header><div class=entry-content><p>If you came here scared of mail servers: good. That means you’re paying attention. This post is for you. I assume you can SSH into a Linux box and copy-paste carefully. I do not assume you already know what an MX record is, why port 587 exists, or why Cloudflare’s orange cloud and SMTP should never meet at a party.
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I wanted real email on my own machine — mail.alipourimjourneys.ir — without buying a “smart” appliance and without installing one of those giant all-in-one stacks. Mailcow is excellent. Stalwart is excellent. I still said no. Sometimes the point is to feel each moving part with your own hands, even if that means spending an evening arguing with nginx about whether a certificate belongs to mail or to Matrix. (Spoiler: when in doubt on this box, it was Matrix.)
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...</p></div><footer class=entry-footer><span title='2026-07-24 00:00:00 +0000 UTC'>July 24, 2026</span> · 17 min · Iman Alipour
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<span class=post-meta-item><a href=https://blog.alipour.eu/posts/self_hosting_mail/#isso-thread class=isso-comments-link>Comments</a></span></footer><a class=entry-link aria-label="post link to Self-hosting mail the hard way (Postfix + Dovecot + PostfixAdmin + Roundcube, and zero Mailcow)" href=https://blog.alipour.eu/posts/self_hosting_mail/></a></article><article class="post-entry tag-entry"><header class=entry-header><h2 class=entry-hint-parent>Stealth Trojan VPN Behind Cloudflare Guide</h2></header><div class=entry-content><p>Introduction So you want a VPN that doesn’t scream “I am a VPN” to every censor and firewall out there?
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Welcome to the world of Trojan over WebSocket + TLS behind Cloudflare.
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This guide not only shows you how to set it up but also sprinkles in some debugging magic so you can figure out why things break (and they will break, trust me).
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We’ll anonymise domains and secrets, so substitute with your own:
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...</p></div><footer class=entry-footer><span title='2025-09-09 11:05:00 +0200 +0200'>September 9, 2025</span> · 4 min · Iman Alipour
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<span class=post-meta-item><a href=https://blog.alipour.eu/posts/vpn/#isso-thread class=isso-comments-link>Comments</a></span></footer><a class=entry-link aria-label="post link to Stealth Trojan VPN Behind Cloudflare Guide" href=https://blog.alipour.eu/posts/vpn/></a></article><article class="post-entry tag-entry"><figure class=entry-cover><img loading=lazy src=https://blog.alipour.eu/images/hedgedoc-cover.png alt="HedgeDoc collaborative editing"></figure><header class=entry-header><h2 class=entry-hint-parent>Self-Hosting HedgeDoc with Docker + Nginx + Let's Encrypt</h2></header><div class=entry-content><p>HedgeDoc is an open-source collaborative Markdown editor. Think Google Docs for Markdown: multiple people can edit the same note in real-time, with support for diagrams, math, polls, and slide decks. In this post we’ll walk through setting up your own instance on a server, secured with HTTPS.
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Prerequisites A Linux server with Docker and Docker Compose A domain name pointing to your server (e.g. notes.alipourimjourneys.ir) Nginx installed for reverse proxying Certbot for Let’s Encrypt certificates 1. Create the project directory mkdir ~/hedgedoc && cd ~/hedgedoc 2. Create .env POSTGRES_PASSWORD=ChangeThisStrongPassword HD_DOMAIN=notes.alipourimjourneys.ir Generate a strong password with:
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...</p></div><footer class=entry-footer><span title='2025-08-29 00:00:00 +0000 UTC'>August 29, 2025</span> · 2 min · Iman Alipour
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<span class=post-meta-item><a href=https://blog.alipour.eu/posts/hedge_doc/#isso-thread class=isso-comments-link>Comments</a></span></footer><a class=entry-link aria-label="post link to Self-Hosting HedgeDoc with Docker + Nginx + Let's Encrypt" href=https://blog.alipour.eu/posts/hedge_doc/></a></article></main><footer class=footer><span>© 2026 <a href=https://blog.alipour.eu/>AlipourIm journeys</a></span> ·
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