Method and apparatus for realizing instant messaging between a plurality of members in an instant messenger group

A group messaging apparatus for realizing instant messaging among a plurality of members of an instant messenger group by an instant messenger group server, wherein said group server is independent of an instant messenger server, at least one group identification and a member list of each group identified by the corresponding group identification being prestored in said group server, each member list storing instant messenger identifications of members of the group identified by the corresponding group identification;

• and wherein for said instant messenger server, the instant messenger user identified by a group identification is in friend relationship with each member of the group identified by the group identification, the group messaging apparatus comprising:
• an automatic login means configured to log in to said instant messenger server as an instant messenger client using each of said at least one group identification as an instant messenger identification;
• a receiving means configured to receive an instant message sent by an instant messenger client and forwarded by said messenger server, said instant message containing an instant messenger identification corresponding to said instant messenger client and a group identification of the group which the member identified by said instant messenger identification belongs to;
• a first determining means configured to determine the instant messenger identifications of other members of the group identified by said group identification according to said instant messenger identification and said group identification contained in said instant message;
• and
• a sending means configured to send said instant message respectively to each of the instant messenger clients corresponding to said instant messenger identifications of other members via said instant messenger server.