Patent ID: 7913053

Claim:
A method for archival of messages, the method comprising: identifying a plurality of messages for archival; determining an attachment size relative to a threshold for each of a plurality of attachments to at least some of the plurality of messages; extracting ones of the plurality of attachments that are determined to exceed the threshold from said plurality of messages; creating a first container file; concatenating a first portion of the plurality of messages into the first container file, wherein the first container file excludes the extracted ones of the plurality of attachments; determining that the first container file meets a size limit; creating a second container file; concatenating a second portion of the plurality of messages into the second container file, wherein the second container file excludes the extracted ones of the plurality of attachments; storing the first and second container files in a content addressable storage system; and storing said extracted attachments in said content addressable storage system in files separate from the first and second container files.