diff --git a/sympa/resources/tools/sympa_import.bash b/sympa/resources/tools/sympa_import.bash
index 8951178..37c54a0 100755
--- a/sympa/resources/tools/sympa_import.bash
+++ b/sympa/resources/tools/sympa_import.bash
@@ -235,19 +235,19 @@ function remove_temp {
 function configure_postfix {
 	echo "$SYMPA_DOMAIN" > /etc/mailname
 
-	/opt/miaou-bash/tools/append_or_replace "^myhostname =.*$" "myhostname = $SYMPA_DOMAIN" /etc/postfix/main.cf
-	/opt/miaou-bash/tools/append_or_replace "^alias_maps =.*$" "alias_maps = hash:/etc/aliases, hash:/etc/mail/sympa/aliases" /etc/postfix/main.cf
-	/opt/miaou-bash/tools/append_or_replace "^alias_database =.*$" "alias_database = hash:/etc/aliases, hash:/etc/mail/sympa/aliases" /etc/postfix/main.cf
-
-	/opt/miaou-bash/tools/append_or_replace "^smtpd_tls_cert_file =.*$" "smtpd_tls_cert_file = /etc/letsencrypt/live/$SYMPA_DOMAIN/fullchain.pem"
-	/opt/miaou-bash/tools/append_or_replace "^smtpd_tls_key_file =.*$" "smtpd_tls_key_file = /etc/letsencrypt/live/$SYMPA_DOMAIN/privkey.pem"
-	/opt/miaou-bash/tools/append_or_replace "^smtpd_tls_security_level =.*$" "smtpd_tls_security_level = may"
-	/opt/miaou-bash/tools/append_or_replace "^smtpd_tls_received_header =.*$" "smtpd_tls_received_header = yes"
-	/opt/miaou-bash/tools/append_or_replace "^smtpd_tls_loglevel =.*$" "smtpd_tls_loglevel = 1"
-
-	/opt/miaou-bash/tools/append_or_replace "^smtp_tls_cert_file =.*$" "smtp_tls_cert_file = /etc/letsencrypt/live/$SYMPA_DOMAIN/fullchain.pem"
-	/opt/miaou-bash/tools/append_or_replace "^smtp_tls_key_file =.*$" "smtp_tls_key_file = /etc/letsencrypt/live/$SYMPA_DOMAIN/privkey.pem"
-	/opt/miaou-bash/tools/append_or_replace "^smtp_tls_security_level =.*$" "smtp_tls_security_level = may"
+	/opt/miaou-bash/tools/append_or_replace '^myhostname =.*$' "myhostname = $SYMPA_DOMAIN" /etc/postfix/main.cf
+	/opt/miaou-bash/tools/append_or_replace '^alias_maps =.*$' 'alias_maps = hash:/etc/aliases, hash:/etc/mail/sympa/aliases' /etc/postfix/main.cf
+	/opt/miaou-bash/tools/append_or_replace '^alias_database =.*$' 'alias_database = hash:/etc/aliases, hash:/etc/mail/sympa/aliases' /etc/postfix/main.cf
+
+	/opt/miaou-bash/tools/append_or_replace "^smtpd_tls_cert_file =.*$" "smtpd_tls_cert_file = /etc/letsencrypt/live/$SYMPA_DOMAIN/fullchain.pem" /etc/postfix/main.cf
+	/opt/miaou-bash/tools/append_or_replace "^smtpd_tls_key_file =.*$" "smtpd_tls_key_file = /etc/letsencrypt/live/$SYMPA_DOMAIN/privkey.pem" /etc/postfix/main.cf
+	/opt/miaou-bash/tools/append_or_replace "^smtpd_tls_security_level =.*$" "smtpd_tls_security_level = may" /etc/postfix/main.cf
+	/opt/miaou-bash/tools/append_or_replace "^smtpd_tls_received_header =.*$" "smtpd_tls_received_header = yes" /etc/postfix/main.cf
+	/opt/miaou-bash/tools/append_or_replace "^smtpd_tls_loglevel =.*$" "smtpd_tls_loglevel = 1" /etc/postfix/main.cf
+
+	/opt/miaou-bash/tools/append_or_replace "^smtp_tls_cert_file =.*$" "smtp_tls_cert_file = /etc/letsencrypt/live/$SYMPA_DOMAIN/fullchain.pem" /etc/postfix/main.cf
+	/opt/miaou-bash/tools/append_or_replace "^smtp_tls_key_file =.*$" "smtp_tls_key_file = /etc/letsencrypt/live/$SYMPA_DOMAIN/privkey.pem" /etc/postfix/main.cf
+	/opt/miaou-bash/tools/append_or_replace "^smtp_tls_security_level =.*$" "smtp_tls_security_level = may" /etc/postfix/main.cf
 }
 
 function import {