各位用户:
    这两天发现有病毒绕过病毒网关直接进入部分用户信箱,请用户加强病毒防范意识,及时
更新病毒码,并提醒注意:如果收到包含有以下内容之一的信件,请立即删除.
1)The message cannot be represented in 7-bit ASCII encoding and has been sent as
a binary attachment.
2)sendmail daemon reported:
3)Error #804 occured during SMTP session. Partial message has been received.
4)The message contains Unicode characters and has been sent as a binary
attachment.
5)The message contains MIME-encoded graphics and has been sent as a binary
attachment.
6)Mail transaction failed. Partial message is available.