Go

Office365 IMAP with OAuth2 Authentication

See more Office365 Examples

Demonstrates how to authenticate using OAuth2 with outlook.office365.com. Go

    success := false

    // An Office365 OAuth2 access token must first be obtained prior
    // to running this code.

    // Getting the OAuth2 access token for the 1st time requires the O365 account owner's 
    // interactive authorizaition via a web browser.  Afterwards, the access token
    // can be repeatedly refreshed automatically.

    // See the following examples for getting and refreshing an OAuth2 access token

    // Get Office365 SMTP/IMAP/POP3 OAuth2 Access Token
    // Refresh Office365 SMTP/IMAP/POP3 OAuth2 Access Token

    // First get our previously obtained OAuth2 access token.
    jsonToken := chilkat.NewJsonObject()
    success = jsonToken.LoadFile("qa_data/tokens/office365.json")
    if success == false {
        fmt.Println("Failed to open the office365 OAuth JSON file.")
        jsonToken.DisposeJsonObject()
        return
    }

    imap := chilkat.NewImap()

    imap.SetSsl(true)
    imap.SetPort(993)

    // Connect to the Office365 IMAP server.
    success = imap.Connect("outlook.office365.com")
    if success != true {
        fmt.Println(imap.LastErrorText())
        jsonToken.DisposeJsonObject()
        imap.DisposeImap()
        return
    }

    // Use OAuth2 authentication.
    imap.SetAuthMethod("XOAUTH2")

    // Login using our username (i.e. email address) and the access token for the password.
    success = imap.Login("OFFICE365_EMAIL_ADDRESS",*jsonToken.StringOf("access_token"))
    if success != true {
        fmt.Println(imap.LastErrorText())
        jsonToken.DisposeJsonObject()
        imap.DisposeImap()
        return
    }

    fmt.Println("O365 OAuth authentication is successful.")

    // Do something...
    success = imap.SelectMailbox("Inbox")
    if success != true {
        fmt.Println(imap.LastErrorText())
        jsonToken.DisposeJsonObject()
        imap.DisposeImap()
        return
    }

    // Your application can continue to do other things in the IMAP session....

    // When finished, logout and close the connection.
    success = imap.Logout()
    success = imap.Disconnect()

    fmt.Println("Finished.")

    jsonToken.DisposeJsonObject()
    imap.DisposeImap()