From 66a0c9f49176ec3309b94ea232fbbd92735454ae Mon Sep 17 00:00:00 2001
From: David Flatz
Date: Fri, 5 Feb 2016 12:12:07 +0100
Subject: use php function to escape headers; don't swallow double quotes when
 escaping, this should fix bounces when realname contains umlauts and komma;
 be a little pedantic about whitespace in addrlist

---
 it_mail.class | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'it_mail.class')

diff --git a/it_mail.class b/it_mail.class
index 73b0bd7..aa242c5 100644
--- a/it_mail.class
+++ b/it_mail.class
@@ -305,7 +305,7 @@ function send($p = array())
 function header_escape($string)
 {
 	return preg_match('/[\x00-\x1f\x7f-\xff]/', $string)
-		? ("=?{$this->charset}?Q?" . str_replace(" ", "_", preg_replace_callback('/[\x00-\x1f=\x7f-\xff]/', function($m) { return sprintf('=%02X', ord($m[0])); }, trim($string, ' "'))) . "?=")
+		? ltrim(iconv_mime_encode('', $string, array('scheme' => 'Q', 'input-charset' => $this->charset, 'output-charset' => $this->charset)), ' :')
 		: $string;
 }
 
@@ -332,12 +332,12 @@ function addrlist_escape($string)
 	foreach ((array)$mailboxes as $mailbox)
 	{
 		if (preg_match('/^(.*)(\s+?<[^>]+@[^>]+>\s*)$/', $mailbox, $matches))
-			$result[] = $this->header_escape($matches[1]) . $matches[2];
+			$result[] = $this->header_escape(trim($matches[1])) . $matches[2];
 		else
-			$result[] = $mailbox;
+			$result[] = trim($mailbox);
 	}
 
-	return implode(',', $result);
+	return implode(', ', $result);
 }
 
 
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