Information sharing method and apparatus, information display method and apparatus, and non-transitory computer-readable storage medium

An information sharing method, comprising:

• in response to detecting a mail sharing operation triggered by a sharer for a first mail, determining a target mail currently to be shared;
• and
• acquiring sharee information and sharing, according to the sharee information, the target mail with a sharee corresponding to the sharee information to display the target mail on a client interface corresponding to the sharee;
• wherein determining the target mail currently to be shared comprises:
• determining, from a second mail matching the first mail, the target mail currently to be shared, wherein the second mail comprises the first mail;
• wherein the first mail comprises a mail being edited, a received mail in an inbox, a sent mail in an outbox, or an edited mail stored in a draft box;
• and
• wherein the sharee information comprises sharee instant messaging (IM) information;
• wherein determining, from the second mail matching the first mail, the target mail currently to be shared comprises:
• determining, from a current mailbox, a target mail thread where the first mail is located, wherein mails matching each other in the current mailbox are stored in a form of a mail thread;
• and
• determining, from the target mail thread, the target mail currently to be shared.