| 摘要 |
A computer implemented method, apparatus, and computer usable program code for controlling an e-mail document. Responsive to a user input by a recipient to perform a manipulation on the e-mail document, a determination is made as to whether a constraint against the manipulation is present for a section of the e-mail document, wherein the section is less than all of the e-mail document. Manipulation is prevented on the section of the e-mail document in response to the constraint against the manipulation being present.
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