The internal mail is a message transport - an unreliable one in this instance.

内部的邮件就是一次消息的传输——在这种情况下是一次不可靠的传输。

youdao

There also are several options for the message transport, which include TCP, SSL, and SOAP, over HTTP.

消息传输也有多种选项，包括TCP、SSL和基于HTTP的SOAP。

youdao

The requester and provider don't have to agree on the message format, message transport, or even the target address.

请求程序和提供程序不必就消息格式、消息传输甚至目标地址达成一致。

youdao

So the message from the Transport Minister is clear - there is no change in Liberal Democrat policy and the party remains against aviation expansion.

BBC: England

And now the leader of North Somerset Council, Nigel Ashton, has said there is a very clear message from the Department for Transport that further delay is unacceptable.

BBC: Bristol's Bus Rapid Transit delay 'risks further plans'

Speaking at a press conference, Bush said one of the main reasons he asked U.S. Ambassador to Iraq Ryan Crocker to meet with Iranians in Iraq "was to send the message there will be consequences" for those who transport explosively formed penetrators into Iraq.

CNN: Pilgrims walk across Baghdad amid tight security