Hi. This is the qmail-send program at freemail-g1.xinnetdns.com. I'm afraid I wasn't able to deliver your message to the following addresses. This is a permanent error; I've given up. Sorry it didn't work out.
: 123.100.1.207 failed on DATA command. Remote host said: 530 Authentication required
--- Below this line is a copy of the message. 同一网关下的邮件,A发给B,B又转发给A,会导致转发验证失败
