Fix error if accepting default cert/key

install_mailman.sh

@@ -7,7 +7,7 @@ _MAILMAN_VERSION=2.1.26
 _MAILMAN_USER=mailman
 _MAILMAN_ADMIN_EMAIL="admin@initiativenserver.de"
 
-_MAILMAN_SRC_BASE_DIR=/usr/local/src/mailsystem
+_MAILMAN_SRC_BASE_DIR=/usr/local/src/mailman
 
 _WEBSERVER_USER=www-data
 _WEBSERVER_ADMIN_EMAIL="admin@initiativenserver.de"
@@ -427,10 +427,16 @@ if [ "$MAILMAN_DOMAINS" = "$_MAILMAN_DOMAINS" ]; then
       echo ""
       echononl "SSL Certificate location for \"$_domain\" [$_ssl_cert]: "
       read ssl_cert
+      if [ "X$ssl_cert" = "X" ]; then
+         ssl_cert=$_ssl_cert
+      fi
 
       echo ""
       echononl "SSL Key location for \"$_domain\" [$_ssl_key]: "
       read ssl_key
+      if [ "X$ssl_key" = "X" ]; then
+         ssl_key=$_ssl_key
+      fi
 
       WEBSERVER_DOMAINS="$WEBSERVER_DOMAINS ${_domain}|${ipv4}|${ipv6}|${vhost_dir}|${ssl_cert}|${ssl_key}"
 
@@ -1472,7 +1478,7 @@ if [ "$?" = "0" ]; then
    echo_ok
 else
    echo_failed
-   fatal "Das Restarten des Apache Webservers ist fehlgeschlagen"
+   error "Das Restarten des Apache Webservers ist fehlgeschlagen"
 fi