Emails are bouncing due to a mis-configuration of your DNS system.
This is a report of your DNS records.
You need to address the items in red, especially the one related to MX records, that's why the email is failing!
我公司dns服务器做了反向解析,公网ip电信又做了反向解析,请问还要做什么?请各位高手帮忙!