Hello, my friend This is tom, I sending my greeting from China There is some problem, need your help I check the log file
Apr 25 10:02:24 shcx postfix/smtpd[21741]: NOQUEUE: reject: RCPT from mail.example.com[d.d.d.d]: 450 4.1.2 <some...@example.com>: Recipient address rejected: Domain not found; from=<some...@example.com> to=< someb...@sino-progress.com> proto=ESMTP helo=<mail.example.com> dig sino-progress.com mx sino-progress.com. 40 IN MX 10 qiye163mx01.mxmail.netease.com. sino-progress.com. 40 IN MX 50 qiye163mx02.mxmail.netease.com. This domain already exist, why noqueue TOM
