Method and system for sending e-mail attached with large file on mobile device

摘要

Systems and methods for transmitting an e-mail having an attached file are provided. The system includes a mail server configured to receive the e-mail including the attached file, store the attached file at a storage location in a cloud storage system, and replace the attached file with location information. The location information may indicate the storage location. The system includes the cloud storage system configured to store the attached file at the storage location. The mail server may be further configured to send the e-mail with the location information and without the attached file.

主权项

1. A system for transmitting an e-mail having an attached file, the system comprising:
at least one mobile device; and a simple mail transfer protocol (SMTP) mail server configured to receive, from a mobile device, an extended simple mail transfer protocol (ESMTP) command to determine whether the SMTP mail server supports resuming data transmissions at a part at which the data transmissions were suspended, transmit, to the mobile device, an ESMTP response indicating whether the SMTP mail server supports the resuming data transmissions at a part at which the data transmissions were suspended, receive, from the mobile device, the e-mail including the attached file, determine whether receiving the e-mail including the attached file was suspended, and if the receiving was suspended
resume receiving, from the mobile device, the e-mail including the attached file at a specified time interval, transmit the attached file to a cloud storage system for storage at a storage location, replace, in the e-mail, the attached file included with the e-mail with location information, the location information indicating the storage location; and the cloud storage system configured to store the received file transmitted by the SMTP mail server at the storage location.