NetEase Mail (@163 / @126 / @yeah / @188): Enable IMAP/SMTP + Generate 16-Digit Client Authorization Code
Full configuration flow for NetEase personal mailboxes (163 / 126 / yeah / 188) — enable service in web Settings → POP3/SMTP/IMAP, SMS-verify to generate a 16-digit client authorization code, paste it (NOT login password) in the Laifaxin password field. All 4 suffixes share the same servers and flow.