Fix so number of contacts in a group is not limited to 200 when redirecting to mail composer from Contacts (#6972)

Use max_group_members with fallback to 999 if unset.

CHANGELOG

@@ -30,6 +30,7 @@ CHANGELOG Roundcube Webmail
 - Fix bug where listing tables in PostgreSQL database with db_prefix didn't work (#7093)
 - Fix bug where 'text' attribute on body tag was ignored when displaying HTML message (#7109)
 - Fix bug where next message wasn't displayed after delete in List mode (#7096)
+- Fix so number of contacts in a group is not limited to 200 when redirecting to mail composer from Contacts (#6972)
 
 RELEASE 1.4.1
 -------------

program/steps/addressbook/groups.inc

@@ -37,7 +37,7 @@ if ($RCMAIL->action == 'group-addmembers') {
         $num2add = count($plugin['ids']);
 
         if (!$plugin['abort']) {
-            if (($maxnum = $RCMAIL->config->get('max_group_members', 0)) && ($CONTACTS->count()->count + $num2add > $maxnum)) {
+            if (($maxnum = $RCMAIL->config->get('max_group_members')) && ($CONTACTS->count()->count + $num2add > $maxnum)) {
                 $OUTPUT->show_message('maxgroupmembersreached', 'warning', array('max' => $maxnum));
                 $OUTPUT->send();
             }

program/steps/addressbook/mailto.inc

@@ -43,9 +43,11 @@ if (!empty($_REQUEST['_gid']) && isset($_REQUEST['_source'])) {
         $mailto[] = format_email_recipient($group_data['email'][0], $group_data['name']);
     }
     else if ($CONTACTS->ready) {
+        $maxnum = (int) $RCMAIL->config->get('max_group_members');
+
         $CONTACTS->set_group($group_id);
         $CONTACTS->set_page(1);
-        $CONTACTS->set_pagesize(200); // limit somehow
+        $CONTACTS->set_pagesize($maxnum ?: 999);
         $sources[] = $CONTACTS->list_records();
     }
 }