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-rw-r--r--program/include/rcube_imap.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/program/include/rcube_imap.php b/program/include/rcube_imap.php
index 57667229d..3aa2132fc 100644
--- a/program/include/rcube_imap.php
+++ b/program/include/rcube_imap.php
@@ -1714,7 +1714,7 @@ class rcube_imap
if ($headers->ctype && !is_array($structure[0]) && $headers->ctype != 'text/plain'
&& strtolower($structure[0].'/'.$structure[1]) == 'text/plain') {
// we can handle single-part messages, by simple fix in structure (#1486898)
- if (preg_match('/^(text|application)\/(.*)/i', $headers->ctype, $m)) {
+ if (preg_match('/^(text|application)\/(.*)/', $headers->ctype, $m)) {
$structure[0] = $m[1];
$structure[1] = $m[2];
}