GET api/2.0/settings/smtp/test/status
Host: yourportal.Р7.com
Content-Type: application/json
Accept: application/json

application/json

{
  "status": 0,
  "response": {
    "completed": true,
    "id": "{some-random-guid}",
    "status": "",
    "error": "",
    "percents": 0,
    "source": ""
  }
}

text/xml

<result>
  <status>0</status>
  <response>
    <completed>true</completed>
    <id>{some-random-guid}</id>
    <status></status>
    <error></error>
    <percents>0</percents>
    <source></source>
  </response>
</result>