The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 27, 2008
Filed:
Dec. 19, 2006
Robert D. Dickinson, Iii, Redmond, WA (US);
Sathvik Krishnamurthy, San Jose, CA (US);
Robert D. Dickinson, III, Redmond, WA (US);
Sathvik Krishnamurthy, San Jose, CA (US);
Tumbleweed Communications Corp., Redwood City, CA (US);
Abstract
An e-mail firewall () applies policies to e-mail messages () between a first site and a plurality of second sites in accordance with a plurality of administrator selectable policies (). The firewall comprises a simple mail transfer protocol (SMTP) relay () for causing the e-mail messages () to be transmitted between the first site and selected ones of the second sites. A plurality of policy managers () enforce-administrator selectable policies. The policies comprise at least a first source/destination policy (), a first content policy () and a first virus policy (). The policies are characterized by a plurality of administrator selectable criteria (), and a plurality of administrator selectable exceptions () to the criteria.