The present application relates to methods for sending an email and distributing an email, and an email server. According to the application, a summary is generated for an email to be sent, with the email stored in a sender side server; the summary of the email is sent to a receiver side server; and the email is sent to the receiver side server in response to receiving, by the sender side server, a request for sending the email, the request being sent by a recipient based on the summary. Thus, the network bandwidth, the storage space of the email server and user terminals may be saved.