Secure E-mail messaging system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jan 22, 2013
Grant Date -
Jan 21, 2010
app pub date -
Jul 21, 2008
filing date -
Jul 21, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
According to one embodiment, a secure e-mail messaging system includes an e-mail relay server coupled to a secure client configured on a secure domain and an external client configured on an external domain. The e-mail relay server has a memory for storage of an actual address of the secure client, a first certificate associated with the actual address, an alias address associated with the actual address, and a second certificate associated with the alias address. The e-mail relay server receives an e-mail message that includes the alias address from the external client and decrypts the e-mail message according to the second certificate. The e-mail messaging server then replaces the alias address with the actual address to form a modified e-mail message, encrypts the modified e-mail message according to the first certificate, and transmits the modified e-mail message to the secure client.
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