问： sales@ritang-tech.com 这个信箱我发QQ 或者163可以，但是发我另外域名的邮箱purhchase@richencn.com提示 下面信息，麻烦看下这个提示是什么问题？
Hi. This is the qmail-send program at mail3.myhost.net.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.抱歉, 系统无法将邮件投递到如下地址, 已放弃继续发送.<purhchase@richencn.com>:Giving up on 127.0.0.1 relay.Remote host said: 554 delivery error: dd This user doesn't have a richencn.com e-mailaccount (purhchase@richencn.com) [0] – mx1.aliyun-inc.com— Enclosed is a copy of the message. 附上原始邮件拷贝., sales@ritang-tech.com 发送邮件失败
答：您好，查看报错是 邮局用户不存在，请您联系核实下,非常感谢您长期对我司的支持!
问： sales@ritang-tech.com 这个信箱我发QQ 或者163可以，但是发我另外域名的邮箱purhchase@richencn.com提示 下面信息，麻烦看下这个提示是什么问题？
Hi. This is the qmail-send program at mail3.myhost.net.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.抱歉, 系统无法将邮件投递到如下地址, 已放弃继续发送.<purhchase@richencn.com>:Giving up on 127.0.0.1 relay.Remote host said: 554 delivery error: dd This user doesn't have a richencn.com e-mailaccount (purhchase@richencn.com) [0] – mx1.aliyun-inc.com— Enclosed is a copy of the message. 附上原始邮件拷贝.
答：您好，查看报错是 邮局用户不存在，请您联系核实下,非常感谢您长期对我司的支持!
问：
您好！目前暂时遇到地址为ubm.com的邮件发送失败，但可以用QQ邮箱发送到此地址。
答：您好，我们调整了下，您再发送试下。
