<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[arcanechat.me server reached 10k users!]]></title><description><![CDATA[<p>arcanechat.me server reached 10k users! <img src="https://forum.fedi.dk/assets/plugins/nodebb-plugin-emoji/emoji/android/1f389.png?v=7979fdcf9c7" class="not-responsive emoji emoji-android emoji--tada" style="height:23px;width:auto;vertical-align:middle" title="🎉" alt="🎉" /><img src="https://forum.fedi.dk/assets/plugins/nodebb-plugin-emoji/emoji/android/1f389.png?v=7979fdcf9c7" class="not-responsive emoji emoji-android emoji--tada" style="height:23px;width:auto;vertical-align:middle" title="🎉" alt="🎉" /><img src="https://forum.fedi.dk/assets/plugins/nodebb-plugin-emoji/emoji/android/1f389.png?v=7979fdcf9c7" class="not-responsive emoji emoji-android emoji--tada" style="height:23px;width:auto;vertical-align:middle" title="🎉" alt="🎉" /></p><p>the server is still using just ~1.50GB of RAM and almost 0% of CPU, disk is at 8% used only (including whole operative system files etc)</p><p>it is extremely cheap to host thousands of users for <a href="https://fosstodon.org/tags/ArcaneChat" rel="tag">#<span>ArcaneChat</span></a> / <a href="https://fosstodon.org/tags/DeltaChat" rel="tag">#<span>DeltaChat</span></a> with a <a href="https://fosstodon.org/tags/chatmail" rel="tag">#<span>chatmail</span></a> relay</p><p>I also just check the server like once per month just in case to check everything is fine, but it literally causes near ZERO maintenance cost, no problems, it just works you can practically forget the server exists</p>]]></description><link>https://forum.fedi.dk/topic/3868e2f9-24cd-42e8-8e17-c11407dfbc51/arcanechat.me-server-reached-10k-users</link><generator>RSS for Node</generator><lastBuildDate>Sat, 02 May 2026 01:30:11 GMT</lastBuildDate><atom:link href="https://forum.fedi.dk/topic/3868e2f9-24cd-42e8-8e17-c11407dfbc51.rss" rel="self" type="application/rss+xml"/><pubDate>Sun, 08 Feb 2026 21:52:33 GMT</pubDate><ttl>60</ttl><item><title><![CDATA[Reply to arcanechat.me server reached 10k users! on Thu, 09 Apr 2026 11:10:53 GMT]]></title><description><![CDATA[<p><span><a href="https://mastodon.social/@rocking_horse">@<span>rocking_horse</span></a></span> fun fact: there are some indigenous people using Delta Chat over Lo-Ra in the Amazon rain forest to report illegal logging</p><p><span><a href="/user/tommi%40pan.rent">@<span>tommi</span></a></span></p>]]></description><link>https://forum.fedi.dk/post/https://fosstodon.org/ap/users/115532410310000993/statuses/116374441395650617</link><guid isPermaLink="true">https://forum.fedi.dk/post/https://fosstodon.org/ap/users/115532410310000993/statuses/116374441395650617</guid><dc:creator><![CDATA[arcanechat@fosstodon.org]]></dc:creator><pubDate>Thu, 09 Apr 2026 11:10:53 GMT</pubDate></item><item><title><![CDATA[Reply to arcanechat.me server reached 10k users! on Wed, 08 Apr 2026 13:25:38 GMT]]></title><description><![CDATA[<p><span><a href="/user/arcanechat%40fosstodon.org">@<span>arcanechat</span></a></span> <span><a href="/user/tommi%40pan.rent">@<span>tommi</span></a></span> See <a href="https://mastodon.social/tags/Meshtastic" rel="tag">#<span>Meshtastic</span></a>: no <a href="https://mastodon.social/tags/Postfix" rel="tag">#<span>Postfix</span></a>, no <a href="https://mastodon.social/tags/Dovercot" rel="tag">#<span>Dovercot</span></a> on 'relay servers' and ... sometimes it works <img src="https://forum.fedi.dk/assets/plugins/nodebb-plugin-emoji/emoji/android/1f642.png?v=7979fdcf9c7" class="not-responsive emoji emoji-android emoji--slightly_smiling_face" style="height:23px;width:auto;vertical-align:middle" title=":-)" alt="🙂" /></p>]]></description><link>https://forum.fedi.dk/post/https://mastodon.social/users/rocking_horse/statuses/116369308961906005</link><guid isPermaLink="true">https://forum.fedi.dk/post/https://mastodon.social/users/rocking_horse/statuses/116369308961906005</guid><dc:creator><![CDATA[rocking_horse@mastodon.social]]></dc:creator><pubDate>Wed, 08 Apr 2026 13:25:38 GMT</pubDate></item><item><title><![CDATA[Reply to arcanechat.me server reached 10k users! on Mon, 06 Apr 2026 18:37:07 GMT]]></title><description><![CDATA[<p><span><a href="https://mastodon.social/@rocking_horse">@<span>rocking_horse</span></a></span> or we didn't need to, using well established widely used since ages battled-tested <a href="https://fosstodon.org/tags/Postfix" rel="tag">#<span>Postfix</span></a> and <a href="https://fosstodon.org/tags/Dovecot" rel="tag">#<span>Dovecot</span></a>, but the fault was on me for even mentioning xmpp</p><p>what matters to the users and to me as admin is that it works and it works QUITE GOOD, I have near ZERO maintenance cost, the thing is just there working without any problems, no need for doing user account registration and deletion requests either or stale account manual deletion it is all automated</p><p> <span><a href="/user/tommi%40pan.rent">@<span>tommi</span></a></span></p>]]></description><link>https://forum.fedi.dk/post/https://fosstodon.org/ap/users/115532410310000993/statuses/116359209108747034</link><guid isPermaLink="true">https://forum.fedi.dk/post/https://fosstodon.org/ap/users/115532410310000993/statuses/116359209108747034</guid><dc:creator><![CDATA[arcanechat@fosstodon.org]]></dc:creator><pubDate>Mon, 06 Apr 2026 18:37:07 GMT</pubDate></item><item><title><![CDATA[Reply to arcanechat.me server reached 10k users! on Mon, 06 Apr 2026 17:30:22 GMT]]></title><description><![CDATA[<p><span><a href="/user/tommi%40pan.rent">@<span>tommi</span></a></span> <span><a href="/user/arcanechat%40fosstodon.org">@<span>arcanechat</span></a></span> That you didn't implement the proper XEP</p>]]></description><link>https://forum.fedi.dk/post/https://mastodon.social/users/rocking_horse/statuses/116358946652400969</link><guid isPermaLink="true">https://forum.fedi.dk/post/https://mastodon.social/users/rocking_horse/statuses/116358946652400969</guid><dc:creator><![CDATA[rocking_horse@mastodon.social]]></dc:creator><pubDate>Mon, 06 Apr 2026 17:30:22 GMT</pubDate></item><item><title><![CDATA[Reply to arcanechat.me server reached 10k users! on Sun, 05 Apr 2026 17:16:58 GMT]]></title><description><![CDATA[<p><span><a href="https://mastodon.social/@rocking_horse" rel="nofollow noopener">@<span>rocking_horse</span></a></span> <span><a href="/user/arcanechat%40fosstodon.org" rel="nofollow noopener">@<span>arcanechat</span></a></span> Mmmh and what does it imply?</p>]]></description><link>https://forum.fedi.dk/post/https://pan.rent/users/tommi/statuses/116353231655486799</link><guid isPermaLink="true">https://forum.fedi.dk/post/https://pan.rent/users/tommi/statuses/116353231655486799</guid><dc:creator><![CDATA[tommi@pan.rent]]></dc:creator><pubDate>Sun, 05 Apr 2026 17:16:58 GMT</pubDate></item><item><title><![CDATA[Reply to arcanechat.me server reached 10k users! on Sun, 05 Apr 2026 16:22:30 GMT]]></title><description><![CDATA[<p><span><a href="/user/arcanechat%40fosstodon.org">@<span>arcanechat</span></a></span> <span><a href="/user/tommi%40pan.rent">@<span>tommi</span></a></span> you are comparing the client-server communication maintaining the network state with the servent whose role is rather S2S communication</p>]]></description><link>https://forum.fedi.dk/post/https://mastodon.social/users/rocking_horse/statuses/116353017502837339</link><guid isPermaLink="true">https://forum.fedi.dk/post/https://mastodon.social/users/rocking_horse/statuses/116353017502837339</guid><dc:creator><![CDATA[rocking_horse@mastodon.social]]></dc:creator><pubDate>Sun, 05 Apr 2026 16:22:30 GMT</pubDate></item><item><title><![CDATA[Reply to arcanechat.me server reached 10k users! on Sun, 05 Apr 2026 12:50:05 GMT]]></title><description><![CDATA[<p><span><a href="/user/arcanechat%40fosstodon.org" rel="nofollow noopener">@<span>arcanechat</span></a></span> WOW, this is fantastic! Thank you for the information! DeltaChat truly rocks</p>]]></description><link>https://forum.fedi.dk/post/https://pan.rent/users/tommi/statuses/116352182207558142</link><guid isPermaLink="true">https://forum.fedi.dk/post/https://pan.rent/users/tommi/statuses/116352182207558142</guid><dc:creator><![CDATA[tommi@pan.rent]]></dc:creator><pubDate>Sun, 05 Apr 2026 12:50:05 GMT</pubDate></item><item><title><![CDATA[Reply to arcanechat.me server reached 10k users! on Sun, 05 Apr 2026 12:39:53 GMT]]></title><description><![CDATA[<p><span><a href="/user/tommi%40pan.rent">@<span>tommi</span></a></span> inactive users are automatically deleted after 90 days so the number is of active users (+13k by now)</p><p>ofc not all users are connected at the same time to the server, unlike so called "proper chat protocols" like <a href="https://fosstodon.org/tags/XMPP" rel="tag">#<span>XMPP</span></a> where a stream is always open, with <a href="https://fosstodon.org/tags/ArcaneChat" rel="tag">#<span>ArcaneChat</span></a> / <a href="https://fosstodon.org/tags/DeltaChat" rel="tag">#<span>DeltaChat</span></a> it is ok if the system kills the app and only wakes it up when there is a message (push notifications), the server also hibernates IMAP IDLE connections to save RAM etc</p><p>&gt; Also, you are using this, right?</p><p>yes</p>]]></description><link>https://forum.fedi.dk/post/https://fosstodon.org/ap/users/115532410310000993/statuses/116352142126246975</link><guid isPermaLink="true">https://forum.fedi.dk/post/https://fosstodon.org/ap/users/115532410310000993/statuses/116352142126246975</guid><dc:creator><![CDATA[arcanechat@fosstodon.org]]></dc:creator><pubDate>Sun, 05 Apr 2026 12:39:53 GMT</pubDate></item><item><title><![CDATA[Reply to arcanechat.me server reached 10k users! on Sun, 05 Apr 2026 08:26:04 GMT]]></title><description><![CDATA[<p><span><a href="/user/arcanechat%40fosstodon.org" rel="nofollow noopener">@<span>arcanechat</span></a></span> This seems <em>so good</em>, but it makes me wonder how active those 10k users actually are… Probably no way to know that because of zero telemetry, but is there any way to tell if the impact on the server is minimal because of great chatmail relay efficiency or because people are not using arcanechat.me much? <img src="https://forum.fedi.dk/assets/plugins/nodebb-plugin-emoji/emoji/android/1f914.png?v=7979fdcf9c7" class="not-responsive emoji emoji-android emoji--thinking_face" style="height:23px;width:auto;vertical-align:middle" title="🤔" alt="🤔" /></p><p>Also, you are using <a href="https://github.com/chatmail/relay" rel="nofollow noopener">this</a>, right?</p>]]></description><link>https://forum.fedi.dk/post/https://pan.rent/users/tommi/statuses/116351144087566033</link><guid isPermaLink="true">https://forum.fedi.dk/post/https://pan.rent/users/tommi/statuses/116351144087566033</guid><dc:creator><![CDATA[tommi@pan.rent]]></dc:creator><pubDate>Sun, 05 Apr 2026 08:26:04 GMT</pubDate></item><item><title><![CDATA[Reply to arcanechat.me server reached 10k users! on Sun, 08 Feb 2026 22:58:02 GMT]]></title><description><![CDATA[<p>for the ones curious about what 8% of disk usage means here: it is a bit less than 40GB for the whole system, but the users mailboxes only take 17GB</p><p>that means: 17GB divided by 10k users equals 0.0017GB (~1.7MB) average used per user! 🤯</p>]]></description><link>https://forum.fedi.dk/post/https://fosstodon.org/ap/users/115532410310000993/statuses/116037483380495846</link><guid isPermaLink="true">https://forum.fedi.dk/post/https://fosstodon.org/ap/users/115532410310000993/statuses/116037483380495846</guid><dc:creator><![CDATA[arcanechat@fosstodon.org]]></dc:creator><pubDate>Sun, 08 Feb 2026 22:58:02 GMT</pubDate></item><item><title><![CDATA[Reply to arcanechat.me server reached 10k users! on Sun, 08 Feb 2026 21:59:24 GMT]]></title><description><![CDATA[<p>also a huge burden admins don't have with chatmail is that they don't have to deal with user account creation and deletion, or user (encrypted) data deletion, everything is automated</p>]]></description><link>https://forum.fedi.dk/post/https://fosstodon.org/ap/users/115532410310000993/statuses/116037252828118974</link><guid isPermaLink="true">https://forum.fedi.dk/post/https://fosstodon.org/ap/users/115532410310000993/statuses/116037252828118974</guid><dc:creator><![CDATA[arcanechat@fosstodon.org]]></dc:creator><pubDate>Sun, 08 Feb 2026 21:59:24 GMT</pubDate></item><item><title><![CDATA[Reply to arcanechat.me server reached 10k users! on Sun, 08 Feb 2026 21:54:57 GMT]]></title><description><![CDATA[<p><span><a href="/user/arcanechat%40fosstodon.org">@<span>arcanechat</span></a></span> hell yeah</p>]]></description><link>https://forum.fedi.dk/post/https://layer8.space/users/k/statuses/116037235347336601</link><guid isPermaLink="true">https://forum.fedi.dk/post/https://layer8.space/users/k/statuses/116037235347336601</guid><dc:creator><![CDATA[k@layer8.space]]></dc:creator><pubDate>Sun, 08 Feb 2026 21:54:57 GMT</pubDate></item></channel></rss>