QuantumMail is a secure mail client product developed by QuantumCTek Co., Ltd. with independent IPRs. The product supports the key distribution technology of "one key at a time", providing end-to-end mail security receiving and sending services for users in virtue of high-intensity national secret algorithm, so as to effectively resist the security risks caused by mail leakage, fully guarantee mail security, and meet the higher security requirements of enterprises and users.
End-to-end encryption: Support encryption against mail body and attachments; mail is sent by encrypted text mailbox; mail plaintext cannot be viewed by server; the receiver/sender can view the mail content only.
One key for one email: Email encryption keys are obtained online; different keys for different emails; high security protection of emails by the mechanism of "one key for one email"
Local ciphertext storage: Receive emails locally and store them in ciphertext. Decrypt emails only when viewing is required, thus ensuring email security
Safety warning: Support default and custom control rules to help users effectively identify external emails, phishing emails and Trojan emails
Password mail: Set a password for the message. The recipient can only see the message content after entering the correct password
Permission management: Support forwarding permission control and control the scope of email transmission
Key withdrawal: For wrongly sent emails, users can withdraw the keys of the specified recipients or all recipients at any time
Compatible to different service providers: Support a variety of mainstream email service providers, such as QQ, 189, 139, sina, outlook, hotmail, and coremail-based mail systems, including163 and 126.
Multi-system deployment: Support Windows, Android and mainstream domestic operating systems
Easy to manage mails: Support mails marked with star, mail exporting in batches, mail quick search, blacklist and other features
Corporate communications
Government office
Business cooperation
Finance & securities
Education system