KB485075: How to confirm if the SMTP server supports the TLS transport protocol in MicroStrategy 2020 Update 2 and later

Description 

After upgrading to Strategy 2020 Update 2 or Strategy 2019 Update 8, the email device with Smart Host mode requires the SMTP server to support the TLS transport protocol. 
For more details, refer to KB484645: Email delivery fails with error, "STARTTLS is required but hose does not support STARTTLS".

Confirm if the SMTP server configured with a port supports the TLS

• Navigate to this site. 
• Input the email target. For example,

  Strategy.com

  (you do not need to input the full email address). Leave the rest of the options as default, as shown in the below screenshot.
  

• Click Run Test.
• Expand the test result and the CheckTLS Confidence Factor results display, including the MX server. 
  

• Scroll down to the see "test stage and result".
  If TLS is enabled, entries as "

  TLS successfully started on this server

  " and "

  STARTTLS command works on this server

  " is noticed, as shown in the below screenshot.
  

• The following entry indicates the port 25 works with STARTLS:
  

  Trying TLS on us-smtp-inbound-2.mimecast.com[205.139.110.141.25]