[LPIC-2]E-Mail services 1

When are Sieve filters usually applied to an email?

A. When the email is delivered to a mailbox
B. When the email is relayed by an SMTP server
C. When the email is received by an SMTP smarthost
D. When the email is sent to the first server by an MUA
E. When the email is retrieved by an MUA

題解

Sieve(RFC 5228)是一個專門用來處理E-mail訊息的程式腳本語言，能夠過濾、分類、排序郵件，也可以用來作自動郵件回覆。