常見例句雙語例句It had been designed to be both a mail transport agent (MTA) and a local delivery agent (MDA).它被設(shè)計成了既是一個郵件傳輸工具（MTA），又是一個本地投遞工具（MDA）。zhongbaisongzbs.blog.163.comIf the destination account is on a local machine, the mail delivery agent distributes the messages directly to the intended recipient's mailbox.如果目的帳戶在本地機(jī)器上，郵件發(fā)送代理就會將消息直接分發(fā)到計劃接收人的郵件箱中。 返回 mail delivery agent