Symphony-Exchange Shared/Group Mailbox Activities

I already have an email from the get exchange mail activity, with its property being System.Net.Mail.MailMessage.

How can I convert this to Microsoft.Exchange.WebServices.Data.Item? 

I want to use my already extracted email object and put it in the Input 3.Mail property for your Reply to mail activity.

Thanks!

What is that Exchange service property? What i have to input over there? Also please explain what each property does and inputs for those properties as well.

First, I really like this activity. It is working really good.

Second, From what I can see it will not work after 13th of October 2020. Are you planning on changing authentication method for this activity?

https://developer.microsoft.com/en-us/office/blogs/end-of-support-for-basic-authentication-access-to-exchange-online-apis-for-office-365-customers/

after i read the list of mailmessage and use a for loop to loop it, how can i save the message to local drive?

Could you pls give an example of the "Mailbox" input argument?

I'm having trouble figuring out the type for "EmailMessages" in the "Read mails" activity. I first made a "New List (Of MailMessage)" but it doesn't like that.

Then, instead of "MailMessage", I used a "Microsoft.Exchange.WebServices.Data.Item" as the type and that's now working.

So what is the type for "Item"

Shouldn't Microsoft.Exchange.WebServices be listed as dependency? Unless you're using an in-house written direct integration?