p:send-mail-001

The pipeline

<p:declare-step xmlns:p="http://www.w3.org/ns/xproc" version="3.0">
   <p:output port="result"/>
   <p:option name="SHOST" select="'localhost'" static="true"/>
   <p:option name="SMTPPORT" select="1025" static="true"/>
   <p:option name="APIPORT" select="1080" static="true"/>
   <!-- Clear the Sendria log -->
   <p:http-request href="http://{$SHOST}:{$APIPORT}/api/messages/" method="delete">
      <p:with-input>
         <p:empty/>
      </p:with-input>
   </p:http-request>
   <!-- Make sure that succeeded -->
   <p:cast-content-type content-type="application/xml"/>
   <p:validate-with-schematron name="delete-check">
      <p:with-input port="schema">
         <s:schema xmlns:s="http://purl.oclc.org/dsdl/schematron">
            <s:ns prefix="fn" uri="http://www.w3.org/2005/xpath-functions"/>
            <s:pattern name="Root must be map">
               <s:rule context="/fn:map">
                  <s:assert test="fn:string[@key='code'] = 'OK'">Code must be 'OK'</s:assert>
               </s:rule>
            </s:pattern>
         </s:schema>
      </p:with-input>
   </p:validate-with-schematron>
   <!-- Send the email message -->
   <p:send-mail parameters="map{'host': $SHOST, 'port': $SMTPPORT, 'debug':false()}" auth="map{'username':'username','password':'password'}" depends="delete-check">
      <p:with-input>
         <p:inline>
            <emx:Message xmlns:emx="URN:ietf:params:email-xml:" xmlns:rfc822="URN:ietf:params:rfc822:">
               <rfc822:from>
                  <emx:Address>
                     <emx:adrs>mailto:user@example.com</emx:adrs>
                     <emx:name>Example User</emx:name>
                  </emx:Address>
               </rfc822:from>
               <rfc822:to>
                  <emx:Address>
                     <emx:adrs>mailto:anotheruser@example.com</emx:adrs>
                     <emx:name>Another User</emx:name>
                  </emx:Address>
               </rfc822:to>
               <rfc822:subject>Plain text email</rfc822:subject>
               <emx:content type="text/plain">
          Do that thing.
        </emx:content>
            </emx:Message>
         </p:inline>
      </p:with-input>
   </p:send-mail>
   <p:sleep duration="1"/>
   <!-- Check the Sendria log -->
   <p:http-request href="http://{$SHOST}:{$APIPORT}/api/messages/" method="get"/>
   <p:cast-content-type content-type="application/xml"/>
</p:declare-step>