Hello, can you try the following command to solve the Rspamd UI problem?
Anti-Spam Gateway 1.2 is no longer used in the latest version
download_Url="http://node.aapanel.com"
mkdir -p /usr/share/rspamd/www/
wget -O /usr/share/rspamd/www/rspamd.zip $download_Url/install/plugin/mail_sys_en/rspamd.zip -T 20 --no-check-certificate
cd /usr/share/rspamd/www
unzip -o rspamd.zip
systemctl restart rspamd