Patent ID: 8782148

Claim:
A computer implemented method for managing emails within an email system, the method comprising: calculating an identification of content for a body of a new email created at the email system and an identification of content for each attachment to the new email and storing each identification of content in a header of the new email to be sent together with the new email; determining, when receiving an email at the email system, whether the received email includes an identification of content for a body of the received email or an identification of content for an attachment to the received email within the header of the received email; when the received email does not contain any identification of content, calculating an identification of content for the body of the received email and an identification of content for each attachment to the received email and storing each identification of content in the header of the received email together with the received email; comparing the received email with already stored emails at the email system by comparing the identification of content for the body of the received email with one or more identification of content of the stored emails; and a computer reorganizing the email system by superseding a redundant email, wherein each identification of content in the redundant email is also contained in another of the received or sent emails.