Secure Email-Application Level is a mobile email product for enterprise offices that supports docking with email servers through Exchange Activesyc, IMAP, and SMTP protocols. Business capabilities support email collection, sending, forwarding, etc., attachment preview, Exchange calendar synchronization, etc.
Secure email - application level, supports configuration that only this application can connect to the enterprise's email server, and also supports security protection of email data, including data encryption, sharing protection, etc.