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-rw-r--r--program/lib/Mail/mimePart.php7
1 files changed, 2 insertions, 5 deletions
diff --git a/program/lib/Mail/mimePart.php b/program/lib/Mail/mimePart.php
index bb55ba9ca..5cfdfa494 100644
--- a/program/lib/Mail/mimePart.php
+++ b/program/lib/Mail/mimePart.php
@@ -398,7 +398,7 @@ class Mail_mimePart {
//is not any of the defaults, we need to encode the value.
$shouldEncode = 0;
$secondAsterisk = '';
- if (preg_match('#([\x80-\xFF]){1}#', $value)) {
+ if (preg_match('#([ \x80-\xFF \*\'\\%\t(\)\<\>\@\,\;\:\\\"/\[\]\?\=]){1}#', $value)) {
$shouldEncode = 1;
} elseif ($charset && (strtolower($charset) != 'us-ascii')) {
$shouldEncode = 1;
@@ -406,10 +406,7 @@ class Mail_mimePart {
$shouldEncode = 1;
}
if ($shouldEncode) {
- $search = array('%', ' ', "\t");
- $replace = array('%25', '%20', '%09');
- $encValue = str_replace($search, $replace, $value);
- $encValue = preg_replace('#([\x80-\xFF])#e', '"%" . strtoupper(dechex(ord("\1")))', $encValue);
+ $encValue = preg_replace('#([\x80-\xFF \*\'\%\t\(\)\<\>\@\,\;\:\\\"/\[\]\?\=])#e', '"%" . strtoupper(dechex(ord("\1")))', $value);
$value = "$charset'$language'$encValue";
$secondAsterisk = '*';
}