An information interaction method and apparatus, a server, a system and a storage medium are provided. The method includes: receiving a group creating request message including an identification of a group member and create a discussion group including the group member based on the group creating request message, where the group creating request message is sent by a mail server; and send a group creating notification message to an IM client device of the group member, to display the discussion group on the IM client device based on the group creating notification message. Information intercommunication and fusion in different servers can be realized by means of the cooperative working of an IM server and a mail server, thereby improving the information processing efficiency and satisfying office requirements of a user.