Dec 30 11:02:16 mail postfix/smtpd[8480]: NOQUEUE: reject: RCPT from apache.bjmail.com[200.240.43.2]: 450 4.1.8 < >: Sender address rejected: Domain not found; from=< > to=< > proto=ESMTP helo=<apache.bjmail.com> Dec 30 11:02:16 mail postfix/smtpd[8481]: NOQUEUE: reject: RCPT from apache.bjmail.com[200.240.43.2]: 450 4.1.8 < >: Sender address rejected: Domain not found; from=< > to=< > proto=ESMTP helo=<apache.bjmail.com> Dec 30 11:02:16 mail postfix/smtpd[8480]: NOQUEUE: reject: RCPT from apache.bjmail.com[200.240.43.2]: 450 4.1.8 < >: Sender address rejected: Domain not found; from=< > to=< > proto=ESMTP helo=<apache.bjmail.com> Dec 30 11:02:17 mail postfix/smtpd[8481]: NOQUEUE: reject: RCPT from apache.bjmail.com[200.240.43.2]: 450 4.1.8 < >: Sender address rejected: Domain not found; from=< > to=< > proto=ESMTP helo=<apache.bjmail.com> 本文转自 jxwpx 51CTO博客，原文链接：http://blog.51cto.com/jxwpx/468561，如需转载请自行联系原作者