(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.

Note: This example requires Chilkat v11.0.0 or greater.

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    success := false

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

    imap := Imap_Ref.html">chilkat.NewImap()

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

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

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

    email := Email_Ref.html">chilkat.NewEmail()

    uid := 2014
    isUid := true

    success = imap.FetchEmail(false,uid,isUid,email)
    if success == false {
        fmt.Println(imap.LastErrorText())
        imap.DisposeImap()
        email.DisposeEmail()
        return
    }

    // 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("--")

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

    imap.DisposeImap()
    email.DisposeEmail()