China Telecom 21CN Mail (@21cn.com): Direct Password Login (No Auth Code; Login Password = Client Password)
Complete setup for China Telecom 21CN Mail (@21cn.com and 4 other suffixes) — IMAP/SMTP enabled by default; bind directly with your login password, no auth code needed. Covers security risks, server settings for all 5 suffixes, and foreign-trade suitability.