1. A computer-based system for transmitting an electronic document, comprising: an intermediate computer that is remote from an electronic device sending an email message, the intermediate computer including a memory storing instructions; and a processor configured to: execute the instructions to receive the email message from the electronic device, the email message having a delivery address, execute the instructions to determine that the email message has an attached document including metadata, execute the instructions to automatically create a cleansed version of the attached document by removing at least a portion of the metadata from the attached document, execute the instructions to replace in the email message the attached document with the cleansed version of the attached document, and execute the instructions to send the email message with the cleansed version of the attached document from the intermediate computer to the delivery address.
1. A computer-based system for transmitting an electronic document, comprising: an intermediate computer that is remote from an electronic device sending an email message, the intermediate computer including a memory storing instructions; and a processor configured to: execute the instructions to receive the email message from the electronic device, the email message having a delivery address, execute the instructions to determine that the email message has an attached document including metadata, execute the instructions to automatically create a cleansed version of the attached document by removing at least a portion of the metadata from the attached document, execute the instructions to replace in the email message the attached document with the cleansed version of the attached document, and execute the instructions to send the email message with the cleansed version of the attached document from the intermediate computer to the delivery address. 5. The system of claim 1 , wherein the computer-based system is an email server or internet gateway.