Update readme for roundcubemail

README.MD

@@ -57,6 +57,7 @@ To enter in temporary filesystem
   - [mautrix-syncproxy and mautrix-wsproxy](#mautrix-syncproxy-and-mautrix-wsproxy) ([site](https://docs.mau.fi/bridges/go/imessage/android/setup.html)) ([src](https://github.com/mautrix/syncproxy)) ([src](https://github.com/mautrix/wsproxy))
   - [mautrix-whatsapp](#mautrix-whatsapp) ([site](https://docs.mau.fi/bridges/go/whatsapp/index.html)) ([src](https://github.com/mautrix/whatsapp))
   - [metabase](#metabase)  ([site](https://www.metabase.com/)) ([src](https://github.com/metabase/metabase))
+  - [roundcubemail](#roundcubemail) ([site](https://roundcube.net/)) ([src](https://github.com/roundcube/roundcubemail))
   - [rss-bridge](#rss-bridge) ([site](https://github.com/rss-bridge/rss-bridge)) ([src](https://github.com/RSS-Bridge/rss-bridge))
   - [rustdesk-server](#rustdesk-server) ([site](https://rustdesk.com/)) ([src](https://github.com/rustdesk/rustdesk-server))
   - [tt-rss](#tt-rss) ([site](https://tt-rss.org/)) ([src](https://git.tt-rss.org/fox/tt-rss))
@@ -253,6 +254,25 @@ systemctl enable --now metabase
 #configuration with http://<ip>:3000
 ```
 
+#### roundcubemail
+
+```bash
+apt install -y wget ca-certificates
+wget -qO - https://deb.lgy.fr/install.sh | bash
+apt-get update
+apt install roundcubemail
+
+# sample configuration for apache2 + vhost
+
+cp /usr/share/doc/roundcubemail/apache2-roundcubemail.conf /etc/apache2/sites-available/roundcubemail.conf
+a2ensite roundcubemail
+
+# edit /etc/apache2/sites-available/roundcubemail.conf
+# edit /etc/roundcubemail/config.inc.php
+
+systemctl restart apache2
+```
+
 #### rss-bridge
 
 ```bash