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@ -1247,7 +1247,7 @@ function rcmail_part_image_type($part)
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if ($part->filename
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if ($part->filename
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&& preg_match('/^application\/octet-stream$/i', $part->mimetype)
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&& preg_match('/^application\/octet-stream$/i', $part->mimetype)
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&& preg_match('/\.([^.])$/i', $part->filename, $m)
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&& preg_match('/\.([^.]+)$/i', $part->filename, $m)
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&& ($extension = strtolower($m[1]))
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&& ($extension = strtolower($m[1]))
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&& isset($types[$extension])
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&& isset($types[$extension])
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) {
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) {
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