This will occur because of the target System Interfaces inability to understand the message or because the message is causing a processing error within the target System Interface.

这可能是由于目标系统接口无法理解此消息或由于消息导致了目标系统接口内的处理错误而造成的。

youdao

If no given system is designated, the time when the data message enters into any system of the addressee for the first time shall be regarded as the time for receiving the data message.

未指定特定系统的，数据电文进入收件人的任何系统的首次时间，视为该数据电文的接收时间。

youdao

The receiving system commits the message to safe storage in a manner that releases the sending system from any obligation to resend the message.

确认回覆-讯息层接收系统确认讯息已安全收到，以免让发送系统为了确保成功而一直持续重送讯息。

youdao

The Short Message System (SMS) is becoming very popular as a promotion tool for many companies.

BBC: Eat yourself a win

Its users live in 58 different countries, and its message system handles almost 200 million messages each day.

BBC: Business

Apple's own message system, iMessage, is also a sharing option here.

WSJ: What You Don't Know About Sharing Photos