feat: add support for sending email to the docker image

game/run-lwb5.sh

@@ -1,5 +1,29 @@
 #!/bin/bash
 
+(
+	cat <<EOF
+defaults
+tls $SMTP_TLS
+tls_trust_file /etc/ssl/certs/ca-certificates.crt
+syslog on
+
+account account
+host $SMTP_HOST
+port $SMTP_PORT
+auth $SMTP_AUTH
+from $LW_MAIL_FROM
+EOF
+	if [ "$SMTP_AUTH" = "on" ]; then
+		echo "user $SMTP_USER"
+		echo 'passwordeval "cat /run/secrets/smtp_password"'
+	fi
+
+	cat <<EOF
+account default : account
+aliases /etc/aliases
+EOF
+) > /etc/msmtprc
+
 socat -u \
 	UNIX-LISTEN:/dev/log,reuseaddr,mode=666,fork \
 	SYSTEM:"(sed -z 's/$/\\\\n/'; /bin/echo)" \