mail transfer agent

基本解釋

A mail transfer agent such as Sendmail 8.7 or later
一個(gè)郵件傳輸代理，比如 Sendmail 8.7 或者更高的版本。
The mail transfer agent receives the messages from another mail transfer agent, a mail user agent, or a mail submission agent.
郵件傳輸代理從另一個(gè)郵件傳輸代理、郵件用戶代理或郵件提交代理処接收消息。
All electronic mail is transferred using a mail transfer agent (MTA), and Sendmail is the most popular MTA, so this warning affected many organizations worldwide.
所有的電子郵件都通過(guò)郵件傳輸代理（mail transfer agent，MTA）來(lái)傳輸，Sendmail 則是最流行的 MTA，所以這個(gè)警告影響了世界範(fàn)圍內(nèi)的很多組織。