Could not connect to server error in mail settings

[#1]

Hi every body,

I am setting the mail for alerting in qlik view. in user preferences in mail tab. but i encounter below error. I have changed all the authentication type but error accures again. please consider my mail server in exchange. could you please help me?

[qlikviewwizard]

Did you configure the settings in QMC?

[#3]

Hi,

What is QMC?

[Anonymous]

QlikView Management Console.