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-rw-r--r--program/steps/mail/compose.inc2
1 files changed, 1 insertions, 1 deletions
diff --git a/program/steps/mail/compose.inc b/program/steps/mail/compose.inc
index 8a41bdea3..b616f0758 100644
--- a/program/steps/mail/compose.inc
+++ b/program/steps/mail/compose.inc
@@ -98,7 +98,7 @@ function rcmail_compose_headers($attrib)
$header = 'to';
// we have contact id's as get parameters
- if (!empty($_GET['_to']) && preg_match('/^([0-9]+,?)+$/', $_GET['_to']))
+ if (!empty($_GET['_to']) && preg_match('/^[0-9]+(,[0-9]+)*$/', $_GET['_to']))
{
$a_recipients = array();
$sql_result = $DB->query("SELECT name, email