(Go) Fetch Single Email by UID or Sequence Number

Assuming the UID is known, download a single email by UID from an IMAP mail server.

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    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    imap := chilkat.NewImap()

    // Connect to an IMAP server.
    // Use TLS
    imap.SetSsl(true)
    imap.SetPort(993)
    success := imap.Connect("imap.someMailServer.com")
    if success != true {
        fmt.Println(imap.LastErrorText())
        imap.DisposeImap()
        return
    }

    // Login
    success = imap.Login("***","***")
    if success != true {
        fmt.Println(imap.LastErrorText())
        imap.DisposeImap()
        return
    }

    // Select an IMAP mailbox
    success = imap.SelectMailbox("Inbox")
    if success != true {
        fmt.Println(imap.LastErrorText())
        imap.DisposeImap()
        return
    }

    // email is a Email

    uid := 2014
    isUid := true

    email := imap.FetchSingle(uid,isUid)
    if imap.LastMethodSuccess() == true {

        // Display the From and Subject
        fmt.Println(email.FromAddress())
        fmt.Println(email.Subject())

        // Display the Body property, which is the default body.
        // If an email has an HTML body, the Body property contains
        // the HTML source.  Otherwise it contains the plain-text
        // body.
        fmt.Println("---- EMAIL BODY ----")
        fmt.Println(email.Body())
        fmt.Println("--------------------")

        // Display the recipients:
        var j int
        for j = 0; j <= email.NumTo() - 1; j++ {
            fmt.Println(*email.GetToName(j), ", ", *email.GetToAddr(j))
        }

        for j = 0; j <= email.NumCC() - 1; j++ {
            fmt.Println(*email.GetCcName(j), ", ", *email.GetCcAddr(j))
        }

        // Show the total size of the email, including body and attachments:
        fmt.Println(email.Size())

        // When a full email is downloaded, we would use the
        // email.NumAttachments property in conjunction with the
        // email.GetMailAttach* methods.
        // However, when an email object contains only the header,
        // we need to access the attachment info differently:
        numAttach := imap.GetMailNumAttach(email)
        fmt.Println(numAttach)

        for j = 0; j <= numAttach - 1; j++ {
            fmt.Println(*imap.GetMailAttachFilename(email,j))
            attachSize := imap.GetMailAttachSize(email,j)
            fmt.Println("    size = ", attachSize, " bytes")
        }

        fmt.Println("--")
        email.DisposeEmail()
    }

    // Disconnect from the IMAP server.
    success = imap.Disconnect()

    imap.DisposeImap()