怎么把Yahoo的email account 加到Outlook 里？Hotmail 的 account 已经加上了，但Yahoo的尽管加上了但好像没连上，既不可以显示收件箱的信。尽管server的类型都试过（POP3, IMAP, HTTP),（其实本人根本不懂这三个到底有啥区别），但还是不行。望高手指点。多谢了！
Yahoo's free accounts cannot use POP3/IMAP.
Yahoo's POP3 support is open only to paid users.
POP3: Post Office Protocol v3, used to download e-mails.
IMAP: Internal Mail Access Protocol, a replacement for POP3 with more advanced mailbox management functionality.
HTTP: Web access...
If you do want to use POP for your Yahoo account, you may check out YahooPOPs, which is a freeware local POP to HTTP proxy for your Yahoo! account.
POP3: Post Office Protocol v3, used to download e-mails.
IMAP: Internal Mail Access Protocol, a replacement for POP3 with more advanced mailbox management functionality.
HTTP: Web access...
If you do want to use POP for your Yahoo account, you may check out YahooPOPs, which is a freeware local POP to HTTP proxy for your Yahoo! account.
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