<soap:Envelope
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xmlns:m="http://schemas.microsoft.com/exchange/services/2006/messages"
  xmlns:t="http://schemas.microsoft.com/exchange/services/2006/types"
  xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
  <soap:Header>
    <t:RequestServerVersion Version="Exchange2016" />
    <t:SerializedSecurityContext>
      <t:UserSid><%= user_sid.encode(xml: :text) %></t:UserSid>
      <t:GroupSids>
        <t:GroupIdentifier>
          <t:SecurityIdentifier>S-1-5-21</t:SecurityIdentifier>
        </t:GroupIdentifier>
      </t:GroupSids>
    </t:SerializedSecurityContext>
  </soap:Header>
  <soap:Body>
    <m:CreateItem MessageDisposition="SaveOnly">
      <m:Items>
        <t:Message>
          <t:Subject><%= subject.encode(xml: :text) %></t:Subject>
          <!-- todo: make these fields totes legit -->
          <t:Body BodyType="HTML"></t:Body>
          <t:Attachments>
            <t:FileAttachment>
              <t:Name><%= file_name.encode(xml: :text) %></t:Name>
              <t:IsInline>false</t:IsInline>
              <t:IsContactPhoto>false</t:IsContactPhoto>
              <t:Content><%= file_content.encode(xml: :text) %></t:Content>
            </t:FileAttachment>
          </t:Attachments>
          <t:ToRecipients>
            <t:Mailbox>
              <t:EmailAddress><%= Faker::Internet.email.encode(xml: :text) %></t:EmailAddress>
            </t:Mailbox>
          </t:ToRecipients>
        </t:Message>
      </m:Items>
    </m:CreateItem>
  </soap:Body>
</soap:Envelope>