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      <div class="breadcrumb"><a href="/">Home</a> » <a href="/licenses">Licenses</a></div>

      <h1 property="dc:title">Sendmail License</h1>
      <div style="display:none;"><code property="spdx:deprecated">false</code></div>
      <h2>Full name</h2>
          <p style="margin-left: 20px;"><code property="spdx:name">Sendmail License</code></p>

      <h2>Short identifier</h2>
          <p style="margin-left: 20px;"><code property="spdx:licenseId">Sendmail</code></p>

      <h2>Other web pages for this license</h2>
          <div style="margin-left: 20px;">
            <ul>
             <li>
               <a href="http://www.sendmail.com/pdfs/open_source/sendmail_license.pdf" rel="rdfs:seeAlso" isValid=true isLive=true isWayBackLink=false match=false timestamp=2025-07-01T14:56:08Z>http://www.sendmail.com/pdfs/open_source/sendmail_license.pdf</a>
               <!--Tentative way of displaying information <p>isValid: true, isLive: true, isWayBackLink: false, match: false, timestamp: 2025-07-01T14:56:08Z</p> -->
             </li>
             <li>
               https://web.archive.org/web/20160322142305/https://www.sendmail.com/pdfs/open_source/sendmail_license.pdf [no longer live]
             </li>
           </ul>
          </div>

      <div property="spdx:isOsiApproved" style="display: none;">false</div>

      <h2 id="notes">Notes</h2>
          <p style="margin-left: 20px;">None</p>

      <h2 id="licenseText">Text</h2>
      
      <blockquote cite="https://spdx.github.io/spdx-spec/v2.3/license-matching-guidelines-and-templates/">
          <div style="border: 2px solid grey; padding: 8px">
		      Text in italicized blue is omittable (see <a href="https://spdx.github.io/spdx-spec/v2.3/license-matching-guidelines-and-templates/#b35-guideline-omittable-text">Matching Guidelines B.3.5</a>).
		      License or exception text will match to the text for the specified identifier if it either includes or excludes this omittable text.
			  <br/>
			  <br/>
			  Text in red is replaceable (see <a href="https://spdx.github.io/spdx-spec/v2.3/license-matching-guidelines-and-templates/#b34-guideline-replaceable-text">Matching Guidelines B.3.4</a>).
			  License or exception text will match to the text for the specified identifier if it includes a permitted variant of this replaceable text.
			  The permitted variants can be found in the corresponding regular expression as shown in title text visible by hovering over the red text.
	      </div>
	  </blockquote>

      <div property="spdx:licenseText" class="license-text">
      
      <div class="optional-license-text"> 
         <p>SENDMAIL LICENSE</p>

      </div>
      <div class="optional-license-text"> 
         <p>The following license terms and conditions apply, unless a redistribution agreement or other license is
         obtained from Sendmail, Inc., 6475 Christie Ave, Third Floor, Emeryville, CA 94608, USA, or by
         electronic mail at license@sendmail.com.</p>

         <p>License Terms:</p>

      </div>

      <p>Use, Modification and Redistribution (including distribution of any modified or derived work) in source
         and binary forms is permitted only if each of the following conditions is met:</p>

<ul style="list-style:none">
        
<li>
            <var class="replaceable-license-text"><span title="can be replaced with the pattern .{0,20}"> 1.</span></var>
          Redistributions qualify as &quot;freeware&quot; or &quot;Open Source Software&quot; under one of the following terms:
        </li>
      
</ul>
      
<ul style="list-style:none">
        
<li>
            <var class="replaceable-license-text"><span title="can be replaced with the pattern .{0,20}"> (a)</span></var>
          Redistributions are made at no charge beyond the reasonable cost of materials and delivery.
        </li>
        
<li>
            <var class="replaceable-license-text"><span title="can be replaced with the pattern .{0,20}"> (b)</span></var>
          Redistributions are accompanied by a copy of the Source Code or by an irrevocable offer to
             provide a copy of the Source Code for up to three years at the cost of materials and delivery.
             Such redistributions must allow further use, modification, and redistribution of the Source
             Code under substantially the same terms as this license. For the purposes of redistribution
             &quot;Source Code&quot; means the complete compilable and linkable source code of sendmail including all
             modifications.
        </li>
        
<li>
            <var class="replaceable-license-text"><span title="can be replaced with the pattern .{0,20}"> 2.</span></var>
          Redistributions of Source Code must retain the copyright notices as they appear in each Source
             Code file, these license terms, and the disclaimer/limitation of liability set forth as
             paragraph 6 below.
        </li>
        
<li>
            <var class="replaceable-license-text"><span title="can be replaced with the pattern .{0,20}"> 3.</span></var>
          Redistributions in binary form must reproduce the Copyright Notice, these license terms, and the
             disclaimer/limitation of liability set forth as paragraph 6 below, in the documentation and/or
             other materials provided with the distribution. For the purposes of binary distribution the
             &quot;Copyright Notice&quot; refers to the following language:
            <br />
   &quot;Copyright (c) 1998-2010 Sendmail, Inc. All rights reserved.&quot;

        </li>
        
<li>
            <var class="replaceable-license-text"><span title="can be replaced with the pattern .{0,20}"> 4.</span></var>
          Neither the name of Sendmail, Inc. nor the University of California nor names of their
             contributors may be used to endorse or promote products derived from this software without
             specific prior written permission. The name &quot;sendmail&quot; is a trademark of Sendmail, Inc.
        </li>
        
<li>
            <var class="replaceable-license-text"><span title="can be replaced with the pattern .{0,20}"> 5.</span></var>
          All redistributions must comply with the conditions imposed by the University of California on
             certain embedded code, which copyright Notice and conditions for redistribution are as
             follows:
        </li>
      
</ul>
      
<ul style="list-style:none">
        
<li>
            <var class="replaceable-license-text"><span title="can be replaced with the pattern .{0,20}"> (a)</span></var>
          Copyright (c) 1988, 1993 The Regents of the University of California. All rights reserved.
        </li>
        
<li>
            <var class="replaceable-license-text"><span title="can be replaced with the pattern .{0,20}"> (b)</span></var>
          Redistribution and use in source and binary forms, with or without modification, are permitted
             provided that the following conditions are met:
        </li>
      
</ul>
      
<ul style="list-style:none">
        
<li>
            <var class="replaceable-license-text"><span title="can be replaced with the pattern .{0,20}"> (i)</span></var>
          Redistributions of source code must retain the above copyright notice, this list of conditions
             and the following disclaimer.
        </li>
        
<li>
            <var class="replaceable-license-text"><span title="can be replaced with the pattern .{0,20}"> (ii)</span></var>
          Redistributions in binary form must reproduce the above copyright notice, this list of conditions
             and the following disclaimer in the documentation and/or other materials provided with the
             distribution.
        </li>
        
<li>
            <var class="replaceable-license-text"><span title="can be replaced with the pattern .{0,20}"> (iii)</span></var>
          Neither the name of the University nor the names of its contributors may be used to endorse or
             promote products derived from this software without specific prior written permission.
        </li>
        
<li>
            <var class="replaceable-license-text"><span title="can be replaced with the pattern .{0,20}"> 6.</span></var>
          Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY SENDMAIL, INC. AND CONTRIBUTORS
             &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
             WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
             SHALL SENDMAIL, INC., THE REGENTS OF THE UNIVERSITY OF CALIFORNIA OR CONTRIBUTORS BE LIABLE
             FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
             BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
             PROFITS; OR BUSINESS INTERRUPTION) 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 USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
        </li>
      
</ul>

      <div class="optional-license-text"> 
         <p>$Revision: 8.16 $, Last updated $Date: 2010/10/25 23:11:19 $, Document 139848.1</p>

      </div>
    
      </div>

      <h2  id="licenseHeader">Standard License Header</h2>
      <div property="spdx:standardLicenseHeader" class="license-text">
        <p style="font-style: italic">There is no standard license header for the license</p>
        
      </div>
      <div property="spdx:standardLicenseTemplate" style="display: none;">
      &lt;&lt;beginOptional&gt;&gt;SENDMAIL LICENSE&#10;&#10;&lt;&lt;endOptional&gt;&gt;&lt;&lt;beginOptional&gt;&gt; The following license terms and conditions apply, unless a redistribution agreement or other license is obtained from Sendmail, Inc., 6475 Christie Ave, Third Floor, Emeryville, CA 94608, USA, or by electronic mail at license@sendmail.com.&#10;&#10;License Terms:&#10;&#10;&lt;&lt;endOptional&gt;&gt;&#10;Use, Modification and Redistribution (including distribution of any modified or derived work) in source and binary forms is permitted only if each of the following conditions is met:&#10;&#10;   &lt;&lt;var;name&#61;&quot;bullet&quot;;original&#61;&quot;1.&quot;;match&#61;&quot;.{0,20}&quot;&gt;&gt; Redistributions qualify as &quot;freeware&quot; or &quot;Open Source Software&quot; under one of the following terms:&#10;   &lt;&lt;var;name&#61;&quot;bullet&quot;;original&#61;&quot;(a)&quot;;match&#61;&quot;.{0,20}&quot;&gt;&gt; Redistributions are made at no charge beyond the reasonable cost of materials and delivery.&#10;   &lt;&lt;var;name&#61;&quot;bullet&quot;;original&#61;&quot;(b)&quot;;match&#61;&quot;.{0,20}&quot;&gt;&gt; Redistributions are accompanied by a copy of the Source Code or by an irrevocable offer to provide a copy of the Source Code for up to three years at the cost of materials and delivery. Such redistributions must allow further use, modification, and redistribution of the Source Code under substantially the same terms as this license. For the purposes of redistribution &quot;Source Code&quot; means the complete compilable and linkable source code of sendmail including all modifications.&#10;   &lt;&lt;var;name&#61;&quot;bullet&quot;;original&#61;&quot;2.&quot;;match&#61;&quot;.{0,20}&quot;&gt;&gt; Redistributions of Source Code must retain the copyright notices as they appear in each Source Code file, these license terms, and the disclaimer/limitation of liability set forth as paragraph 6 below.&#10;   &lt;&lt;var;name&#61;&quot;bullet&quot;;original&#61;&quot;3.&quot;;match&#61;&quot;.{0,20}&quot;&gt;&gt; Redistributions in binary form must reproduce the Copyright Notice, these license terms, and the disclaimer/limitation of liability set forth as paragraph 6 below, in the documentation and/or other materials provided with the distribution. For the purposes of binary distribution the &quot;Copyright Notice&quot; refers to the following language:&#10;   &quot;Copyright (c) 1998-2010 Sendmail, Inc. All rights reserved.&quot;&#10;   &lt;&lt;var;name&#61;&quot;bullet&quot;;original&#61;&quot;4.&quot;;match&#61;&quot;.{0,20}&quot;&gt;&gt; Neither the name of Sendmail, Inc. nor the University of California nor names of their contributors may be used to endorse or promote products derived from this software without specific prior written permission. The name &quot;sendmail&quot; is a trademark of Sendmail, Inc.&#10;   &lt;&lt;var;name&#61;&quot;bullet&quot;;original&#61;&quot;5.&quot;;match&#61;&quot;.{0,20}&quot;&gt;&gt; All redistributions must comply with the conditions imposed by the University of California on certain embedded code, which copyright Notice and conditions for redistribution are as follows:&#10;   &lt;&lt;var;name&#61;&quot;bullet&quot;;original&#61;&quot;(a)&quot;;match&#61;&quot;.{0,20}&quot;&gt;&gt; Copyright (c) 1988, 1993 The Regents of the University of California. All rights reserved.&#10;   &lt;&lt;var;name&#61;&quot;bullet&quot;;original&#61;&quot;(b)&quot;;match&#61;&quot;.{0,20}&quot;&gt;&gt; Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:&#10;   &lt;&lt;var;name&#61;&quot;bullet&quot;;original&#61;&quot;(i)&quot;;match&#61;&quot;.{0,20}&quot;&gt;&gt; Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.&#10;   &lt;&lt;var;name&#61;&quot;bullet&quot;;original&#61;&quot;(ii)&quot;;match&#61;&quot;.{0,20}&quot;&gt;&gt; Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.&#10;   &lt;&lt;var;name&#61;&quot;bullet&quot;;original&#61;&quot;(iii)&quot;;match&#61;&quot;.{0,20}&quot;&gt;&gt; Neither the name of the University nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.&#10;   &lt;&lt;var;name&#61;&quot;bullet&quot;;original&#61;&quot;6.&quot;;match&#61;&quot;.{0,20}&quot;&gt;&gt; Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY SENDMAIL, INC. AND CONTRIBUTORS &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SENDMAIL, INC., THE REGENTS OF THE UNIVERSITY OF CALIFORNIA OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 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 USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.&lt;&lt;beginOptional&gt;&gt; $Revision: 8.16 $, Last updated $Date: 2010/10/25 23:11:19 $, Document 139848.1&#10;&#10;&lt;&lt;endOptional&gt;&gt;
      </div>

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