Message service provision method for providing message service via open chat room corresponding to link information, and message server and terminal for executing same

A messaging service providing method to be performed by a guest terminal, the method comprising:

• receiving an input indicating that link information posted in a posting space is selected;
• and
• performing a chat between a user of the guest terminal and a user of a host terminal by participating in an open chat room generated by a messaging server through the link information,
• wherein the user of the guest terminal and the user of the host terminal subscribe to a messaging service provided by the messaging server in association with a messaging application,
• wherein the open chat room is accessible by the guest terminal regardless of whether the user of the guest terminal is a friend of the user of the host terminal in the messaging application,
• wherein the link information issuance request includes
• profile information associated with the user of the host terminal and requirement information associated with the user of the guest terminal,
• wherein the profile information is set by selecting either a default profile or an open profile of the user of the host terminal, and
• wherein the requirement information includes entry requirement set by information of the user of the guest terminal.

A messaging service providing method to be performed by a messaging server, the method comprising:

• generating link information in response to a link information issuance request for issuing the link information for an open chat room;
• and
• providing a messaging service through the open chat room in which a chat between a user of a guest terminal selecting the link information and a user of a host terminal is performed,
• wherein the user of the guest terminal and the user of the host terminal subscribe to the messaging service provided through the messaging server,
• the open chat room is accessible by the guest terminal regardless of whether the user of the guest terminal is a friend of the user of the host terminal in the messaging application,
• wherein the link information issuance request includes
• profile information associated with the user of the host terminal and requirement information associated with the user of the guest terminal,
• wherein the profile information is set by selecting either a default profile or an open profile of the user of the host terminal, and
• wherein the requirement information includes entry requirement set by information of the user of the guest terminal.