An image processing apparatus includes an acceptance unit configured to accept an input of user information, an acquisition unit configured to acquire an e-mail address of a user identified based on the user information accepted by the acceptance unit, a first setting unit configured to set a destination of a first e-mail transmitted with an attachment of image data, a second setting unit configured to set a destination of a second e-mail for making notification of completion of transmission of the first e-mail, and a control unit configured to perform control such that a destination of the first e-mail is restricted to the e-mail address acquired by the acquisition unit, but a destination of the second e-mail is not restricted to the e-mail address acquired by the acquisition unit.