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-rw-r--r--plugins/managesieve/managesieve.php9
1 files changed, 8 insertions, 1 deletions
diff --git a/plugins/managesieve/managesieve.php b/plugins/managesieve/managesieve.php
index 7c10053a3..84d8ef6ca 100644
--- a/plugins/managesieve/managesieve.php
+++ b/plugins/managesieve/managesieve.php
@@ -64,7 +64,7 @@ class managesieve extends rcube_plugin
"x-beenthere",
);
- const VERSION = '5.0';
+ const VERSION = '5.2';
const PROGNAME = 'Roundcube (Managesieve)';
@@ -145,6 +145,13 @@ class managesieve extends rcube_plugin
*/
function mail_headers($args)
{
+ // this hook can be executed many times
+ if ($this->mail_headers_done) {
+ return $args;
+ }
+
+ $this->mail_headers_done = true;
+
$headers = $args['headers'];
$ret = array();