Perfect Mail (@88.com / @111.com / @email.cn): Enable IMAP/SMTP + Generate 16-char App Password
Complete setup for Perfect Mail (3 suffixes: @88.com / @111.com / @email.cn) — enable IMAP/SMTP first, then generate a 16-char 'app password'. Paste it into the Laifaxin password field (not the login password).