# Problem with Cryptpad Letsencrypt certificate v2

**URL:** https://forum.yunohost.org/t/problem-with-cryptpad-letsencrypt-certificate-v2/43007
**Category:** Support
**Tags:** yunohost, english
**Created:** [September 16, 2026, 10:59am UTC](https://forum.yunohost.org/t/problem-with-cryptpad-letsencrypt-certificate-v2/43007 "2026-09-16T10:59:27Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![jacobb](https://forum.yunohost.org/letter_avatar_proxy/v4/letter/j/f14d63/32.png) [@jacobb](https://forum.yunohost.org/u/jacobb)
#### Post date: [September 16, 2026, 10:59am UTC](https://forum.yunohost.org/t/problem-with-cryptpad-letsencrypt-certificate-v2/43007/1 "2026-09-16T10:59:28Z")

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### I have searched the forum for similar issues

on

### This category is for general issues(=something is broken) regarding YunoHost, _NOT_ apps.

on

### This form is written in English but feel free to write in French if you’re more comfortable!

on

### What type of hardware are you using

VPS bought online

### What YunoHost version are you running

latest

### How are you able to access your server

SSH

### Are you in a special context or did you perform specific tweaking on your YunoHost instance ?

No

### Describe your issue

After a fresh install of Yunohost and Cryptpad, I could not access cryptpad’s drive.  
I solves that issue by following these instructions:

> <https://github.com/TestDesk/homelab-solutions/blob/main/yunohost/apps/cryptpad/yh-cryptpad-sandbox-nginx.md>

Taken from this thread here on the forum:

> [@Problem with Cryptpad Letsencrypt certificate](https://forum.yunohost.org/t/problem-with-cryptpad-letsencrypt-certificate/42196/4):
>
> English It took a while to fully track down this bug. The problem itself is easy to explain — the YunoHost package never deploys the nginx configuration for the sandbox domain automatically. What made the fix complicated is that there are three situations that trigger the issue: Directly after installation — the config is never created After every reboot — the config is missing at system startup After domain actions in YunoHost (adding, removing domains, certificate renewal) — YunoHost runs r…

I have successfully followed step 1-6 but step 7 and onwards seem quite “dangerous” to my limited skills.

I would just like some to confirm that it is meaningful and safe to do it?

### Share relevant logs or error messages

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<div class="post-metadata">

### Author: ![otm33](https://forum.yunohost.org/user_avatar/forum.yunohost.org/otm33/32/11941_2.png) [@otm33](https://forum.yunohost.org/u/otm33)
#### Post date: [September 16, 2026, 12:06pm UTC](https://forum.yunohost.org/t/problem-with-cryptpad-letsencrypt-certificate-v2/43007/2 "2026-09-16T12:06:58Z")

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Did you follow these instructions :

> <https://github.com/YunoHost-Apps/cryptpad_ynh/blob/master/doc/POST_INSTALL.md>

?

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### Author: ![system](https://forum.yunohost.org/uploads/default/original/2X/f/f59fe8e3ee6b100b4f574d30d6e30479c68b89f0.png) [@system](https://forum.yunohost.org/u/system)
#### Post date: [October 16, 2026, 12:07pm UTC](https://forum.yunohost.org/t/problem-with-cryptpad-letsencrypt-certificate-v2/43007/3 "2026-10-16T12:07:00Z")

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