Most domains send outbound mail through a relatively small number of servers.

许多域名向外发邮件时，会通过多个相关服务器来发送。

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Shipping income derived by the claimant from carrying passengers, cargo and mail on their vessels outbound from China shall be exempted from the Enterprise income Tax in China.

条的规定，本公司以船舶从中国港口运载旅客、货物或者邮件出境所取得的运输收入，可在中国免征企业所得税。

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Often administrators would like to block all outbound port 25 except from the mail server.

管理员通常想阻止除了从邮件效劳器的一切出站端口25。

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Nor does the system offer an outbound mail server, which will leave many users unable to send messages.

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