diff --git a/sympa/miaou/miaou-install-from-import-sympa b/sympa/miaou/miaou-install-from-import-sympa
index 6f1e2b8..dc7da88 100755
--- a/sympa/miaou/miaou-install-from-import-sympa
+++ b/sympa/miaou/miaou-install-from-import-sympa
@@ -47,9 +47,10 @@ function install_fake_additional {
 	miaou-recipe "$CONTAINER" "$BASEDIR"/../recipe/sympa_ldap_auth_remote.recipe
 }
 
-function fix_dkim_dmarc {
-	echo 'fix dkim global on...'
+function fix_entries {
+	echo 'fix entries global on...'
 	miaou-recipe "$CONTAINER" "$BASEDIR"/../recipe/sympa_fix_dkim_dmarc.recipe
+	miaou-recipe "$CONTAINER" "$BASEDIR"/../recipe/sympa_fix_external_origin.recipe
 }
 
 function import {
@@ -73,6 +74,6 @@ parse_options $*
 
 install
 import
-fix_dkim_dmarc
+fix_entries
 
 install_fake_additional
diff --git a/sympa/miaou/miaou-migrate-sympa-from-container b/sympa/miaou/miaou-migrate-sympa-from-container
index 9f3518b..2e8fc68 100755
--- a/sympa/miaou/miaou-migrate-sympa-from-container
+++ b/sympa/miaou/miaou-migrate-sympa-from-container
@@ -56,7 +56,7 @@ function export_sympa {
 	./sympa_purge.bash
 	./sympa_export.bash
 EOF
-	SYMPA_ARCHIVE=$(miaou-exec $CONTAINER -- find -maxdepth 1 -type f -name "*.sympa" | sort -rn | head -1)
+	SYMPA_ARCHIVE=$(miaou-exec $CONTAINER -- find -type f -name "\*.sympa" | sort -rn | head -1)
 	miaou-pull $CONTAINER $SYMPA_ARCHIVE
 }
 
diff --git a/sympa/recipe/sympa_fix_external_origin.recipe b/sympa/recipe/sympa_fix_external_origin.recipe
new file mode 100644
index 0000000..5eb471e
--- /dev/null
+++ b/sympa/recipe/sympa_fix_external_origin.recipe
@@ -0,0 +1,46 @@
+#!/usr/bin/env miaou-recipe
+
+# CONSTANTS
+
+GLOBAL_CONF=/etc/sympa/sympa/sympa.conf
+LIST_DATA_DIR=/var/lib/sympa/list_data
+FOUND=false
+
+# FUNCTIONS
+
+function fix_external_origin {
+	if ! grep -q "^allowed_external_origin.*\*$" $GLOBAL_CONF; then
+		/opt/miaou-bash/tools/append_or_replace '^allowed_external_origin.*$' 'allowed_external_origin    *' $GLOBAL_CONF
+
+		echo 'allowed_external_origin now enabled'
+		FOUND=true
+	else
+		echo 'allowed_external_origin already enabled globally!'
+	fi
+	config_files=$(find $LIST_DATA_DIR -name "config" -type f)
+	for i in $config_files; do
+		if grep -q ^allowed_external_origin $i; then
+			FOUND=true
+			echo "found problematic configuration in $i"
+			remove_section_from_file $i allowed_external_origin
+		fi
+	done
+}
+
+function remove_section_from_file {
+	local file=$1
+	local section=$2
+	awk "/^$section/{found=1} !found{print} /^$/{found=0}" $file > $file.new
+	mv $file.new $file
+	chown sympa:sympa $file
+}
+
+function restart_services {
+	$FOUND && systemctl restart sympa wwsympa.socket || true
+}
+
+# MAIN
+
+set -Eue
+fix_external_origin
+restart_services