diff --git a/self_hosting/services/ejabberd/README.md b/self_hosting/services/ejabberd/README.md
index 2df43af..f896dca 100644
--- a/self_hosting/services/ejabberd/README.md
+++ b/self_hosting/services/ejabberd/README.md
@@ -4,7 +4,7 @@ These are the ports needed for ejabberd to work.
 Ports 80 and 443 are needed for deploying and SSL certificate with certbot.
 
 ```shell
-declare -a ports=("80" "443" "5222:5443/udp" "5222:5443/tcp" "3478" "49152:65535/udp" "49152:65535/tcp")
+declare -a ports=("80" "443" "5222" "5223" "5269" "5280" "5443" "1883" "8883" "3478" "5349" "7777")
 
 for port in "${ports[@]}"; do ufw allow "$port" ; done
 ufw reload
@@ -16,7 +16,7 @@ Debian conveniently offers the packages in the official repositories!
 
 ```shell
 apt update
-apt install ejabberd python3-certbot-nginx
+apt install ejabberd python3-certbot erlang-p1-pgsql
 systemctl enable --now ejabberd
 ```
 
@@ -32,7 +32,7 @@ DOMAIN="example.org"
 declare -a subdomains=("" "conference." "proxy." "pubsub." "upload." "stun." "turn.")
 
 for i in "${subdomains[@]}"; do
-    certbot --nginx -d $i$DOMAIN certonly
+    certbot -d $i$DOMAIN certonly --standalone --register-unsafely-without-email --agree-tos
     mkdir -p /etc/ejabberd/certs/$i$DOMAIN
     cp /etc/letsencrypt/live/$i$DOMAIN/fullchain.pem /etc/ejabberd/certs/$i$DOMAIN
     cp /etc/letsencrypt/live/$i$DOMAIN/privkey.pem /etc/ejabberd/certs/$i$DOMAIN
@@ -108,11 +108,13 @@ mod_mam:
 
 ## Postgresql database
 
-Set postgresql as database.
+Set postgresql as database. WARNING. I can't get this to work.
+Don't bother if you have few users anyway.
 
 ```shell
 sudo -i -u postgres psql -c "CREATE USER ejabberd WITH PASSWORD 'DB_PASSWORD';"
 sudo -i -u postgres psql -c "CREATE DATABASE ejabberd OWNER ejabberd;"
+su -c "curl -s https://raw.githubusercontent.com/processone/ejabberd/master/sql/pg.sql | psql ejabberd" postgres
 ```
 
 ```yaml