How to access office 365 mailbox by Golang

Hi,

    What is recommended practice for Golang to access office 365 mailbox(read&send mails) after basic authentication turn off? I guess msgraph-sdk-go should be a good choose, but use it in production is not suggested. 

https://docs.microsoft.com/en-us/exchange/client-developer/legacy-protocols/how-to-authenticate-an-imap-pop-smtp-application-by-using-oauth

https://docs.microsoft.com/en-us/graph/sdks/create-client?tabs=Go

https://docs.microsoft.com/en-us/graph/sdks/create-client?tabs=Go