If you receive email that uses non-European characters, check your spam folder periodically

The SSCC's spam filter does a very good job of not putting legitimate mail in your spam folder if it's written using European characters. However, it has a more difficult time with non-European character sets, including Chinese, Japanese, Korean and Cyrillic characters. If you receive email that uses these character sets they may occasionally be placed in your spam folder. Messages are automatically deleted from your spam folder after 14 days, so you should check your spam folder for misclassified mail at least once every two weeks.