File: Yahoo%21%20DomainKeys%20Patent%20License%20Agreement%20v1_0.txt

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*****************************************************************************
                                    Copyrights
*****************************************************************************

DomainKeys is a registered trademark of Yahoo!

MDaemon and all parts thereof are copyright (c) 1996-2009 Alt-N Technologies, 
Ltd and may not be used, copied or distributed except as expressly authorized 
by the MDaemon EULA (see the \MDaemon\Docs\ directory).

MDaemon is a registered trademark of Alt-N Technologies, Ltd.  

*****************************************************************************
		Yahoo! DomainKeys Patent License Agreement v1.0
*****************************************************************************

Yahoo! DomainKeys Patent License Agreement v1.0 (this "Agreement") 
Copyright (c) 2004, Yahoo! Inc. All rights reserved.

You agree to be bound by all the terms and conditions set forth below and, 
subject to those terms and conditions, You may use the intellectual property 
described below. 

1. LICENSE GRANT. 

1.1. Subject to the terms and conditions of this Agreement, DomainKeys 
Developer hereby grants You, a royalty-free, worldwide, sub-licensable, 
non-exclusive license under its rights to the Yahoo! Patent Claims to make, 
use, sell, offer for sale, and/or import Implementations.

2. DEFINITIONS. 

2.1. "DomainKeys Developer" means Yahoo! Inc. ("Yahoo!") or any licensee or 
sublicensee (direct or indirect) of the Yahoo! Patent Claims.

2.2. "Implementations" means the specific portions of a hardware or software 
implementation expressly required to be compliant with the Specifications for 
the sole purpose of a sender verification solution in connection with e-mail. 

2.3. "Specifications" means the specification having submission ID 
"draft-delany-domainkeys-base-01.txt" dated Aug 2004 published through the IETF 
(Internet Engineering Task Force). The Specifications may be found at the 
following link: 
http://antispam.yahoo.com/domainkeys/draft-delany-domainkeys-base-01.txt

2.4. "Yahoo! Patent Claims" shall mean those claims of all Yahoo! foreign and 
domestic patents and patent applications that base their priority on U.S. 
Provisional Patent Application Ser. Nos. 60/497,794, filed Aug. 26, 2003, or 
60/553,300, filed Mar. 15, 2004, or Patent Application Ser. Nos. 10/671,319, 
filed Sep. 24, 2003, or 10/805,181, filed Mar. 19, 2004.

2.5. "You" or "Your" means an individual, company, or other legal entity 
exercising rights under this Agreement. Any individual exercising rights under 
this Agreement on behalf of a company or other legal entity represents and 
warrants that the individual has the authority to enter into this Agreement on 
behalf of the company or other legal entity.

3. TERMS. 

3.1. You agree not to assert against Yahoo!, or any other DomainKeys Developer, 
a patent infringement claim against any Implementation ("Implementation IP 
Claim").

3.2. To indicate your assent to the terms and conditions of this Agreement and 
in order to obtain a license to make, use, sell, offer for sale, and/or import 
Implementations, You must include or preserve the following prominently 
displayed statement in the source code and object code of any such 
Implementations : "This code incorporates intellectual property owned by Yahoo! 
and licensed pursuant to the Yahoo! DomainKeys Patent License Agreement.". 

3.3. You will not use the name of Yahoo! to endorse or promote any products or 
Implementations without specific prior written permission of Yahoo!. 
"DomainKeys" is a trademark of Yahoo!. However, You may state Your 
Implementation is "DomainKeys compliant", "supports DomainKeys", or is 
"DomainKeys-enabled", without citation to Yahoo!, but You should create Your own 
product names or trademarks for Your specific Implementations and the term 
"DomainKeys" shall not be used by You in or as part of a name for Your specific 
Implementations.

3.4. You may choose to distribute Implementations under this Agreement or a 
separate agreement, including without limitation a sublicense agreement, 
provided that:

  (a) such agreement complies with the terms and conditions of this Agreement;

  (b) a copy of this Agreement or the separate agreement is included with each 
  copy of the Implementations along with the following prominently displayed 
  statement: "By making, using, selling, offering for sale, and/or importing 
  this product, you agree to the terms and conditions of the Yahoo! DomainKeys 
  Patent License Agreement or other separate agreement contained herein."; and

  (c) if distributed under a separate agreement, such separate agreement must 
  contain terms no less protective of DomainKeys Developers than the terms and 
  conditions of this Agreement, including, without limitation, Sections 3.1, 
  3.4, 3.7, 4.1, 4.2, and 4.3.

3.5. You acknowledge that implementations of the Specifications may be subject 
to U.S. export jurisdiction and other applicable national and international 
laws. You agree to comply with all export, re-export, or import restrictions, 
laws, or regulations.

3.6. Yahoo!, and only Yahoo!, may, from time to time, update or modify the terms 
of this Agreement. If Yahoo! makes such a modification, You may continue under 
the terms and conditions of this Agreement or agree to the updated or modified 
terms and conditions. For the most recent version of this Agreement please 
contact Yahoo!.

3.7. The term of this Agreement is perpetual unless terminated as set forth 
below. This Agreement and the rights hereunder will terminate: 

  (a) automatically without notice from Yahoo!, if You at any time during the 
  term of this Agreement assert any Implementation IP Claim against Yahoo!; 

  (b) upon written notice from Yahoo!, if You at any time during the term of 
  this Agreement assert any Implementation IP Claim against any DomainKeys 
  Developer other than Yahoo!; or 

  (c) where (a) or (b) do not apply, automatically without notice from Yahoo!, 
  if You fail to comply with any term(s) of this Agreement and fail to cure such 
  breach within 30 days of You becoming aware of such breach.

3.8. This Agreement constitutes the entire agreement between the parties with 
respect to the subject matter hereof. This Agreement shall be governed by and 
construed under the laws of the United States and the State of California 
without giving effect to California conflict of law provisions or to 
construction provisions favoring either party. All actions arising out of or 
relating to this Agreement will be adjudicated exclusively by the Superior Court 
of the State of California for the County of Santa Clara or the United States 
District Court for the Northern District of California. 

4. LEGAL DISCLAIMERS. 

4.1. THE YAHOO! PATENT CLAIMS, THIS AGREEMENT, THE DOMAINKEYS TRADEMARK, AND 
SPECIFICATIONS ARE PROVIDED ON AN "AS IS" BASIS, WITHOUT REPRESENTATIONS, 
WARRANTIES OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, 
WITHOUT LIMITATION, ANY REPRESENTATIONS, WARRANTIES OR CONDITIONS OF TITLE, 
NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE. You are 
solely responsible for determining the appropriateness of exercising any rights 
under this Agreement and using the Specifications and the DomainKeys trademark 
and assume all risks associated in connection therewith, including, but not 
limited to, the risks and costs of program errors, compliance with applicable 
laws, damage to or loss of data, programs or equipment, and unavailability or 
interruption of operations. 

4.2. You expressly acknowledge and agree that no assurances are provided by any 
DomainKeys Developer with respect to the validity of the Yahoo! Patent Claims or 
that the Specifications, the DomainKeys trademark or any implementations related 
to the Specifications or the DomainKeys trademark do not infringe or 
misappropriate the patent or other intellectual property rights of any other 
entity. All DomainKeys Developers disclaim any liability to You for claims 
brought by any other person or entity based on infringement or misappropriation 
of intellectual property rights or otherwise. As a condition to exercising the 
rights and licenses granted hereunder, You hereby assume sole responsibility to 
secure any other intellectual property rights needed, if any. 

4.3. DOMAINKEYS DEVELOPER SHALL NOT HAVE ANY LIABILITY FOR ANY DIRECT, INDIRECT, 
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING WITHOUT 
LIMITATION LOST PROFITS), HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
ARISING IN ANY WAY OUT OF THE EXERCISE OF ANY RIGHTS UNDER THIS AGREEMENT, EVEN 
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.