How to remove connection refused error in Email connector configuration

Hi everyone,   I am working with Email connector in a cloud deployed application. Earlier I was having error( Error while connecting email server) which was resolved by giving host access to cloud outgoing IPs.  Now I am having connection refused error, can Anyone help that, how to allow that conector. What access is required now from IT team on outlook mail id.
1 answers

Do you have a log line in your log for this error?

If so, please share