Jun 5 14:43:47 sag postfix/smtpd[24144]: NOQUEUE: reject: RCPT from localhost.localdomain[127.0.0.1]: 450 4.1.8 <a@abc.com>: Sender address rejected: Domain not found; from=<a@abc.com> to=<b@cde.com.tw> proto=SMTP helo=<localhost>
解法請看附圖(登入討論區才能看見)