Iris e-mail secure transmission method and system, and storage medium

The invention relates to an iris e-mail secure transmission method and system and a storage medium. The method comprises the following steps: acquiring a first mail encryption key, sender information and receiver information of an e-mail; obtaining a sender iris key list according to the sender information; obtaining a receiver iris key list according to the receiver information; encrypting the first mail encryption key by using the sender iris key list and the receiver iris key list to obtain a first enhanced encryption key; obtaining sender iris information; decrypting the first enhanced encryption key by using the sender iris information to obtain a second mail encryption key; encrypting the e-mail by using the second e-mail encryption key to obtain an encrypted e-mail; and sending the encrypted mail and the receiver iris key list to the receiver. According to the iris e-mail secure transmission method, the security of mail information can be ensured, and various mail secure solutions are provided for user