(Go) IMAP Delete Old Email (before a specified date)

Demonstrates how to delete email older than a particular date.

Chilkat Go Downloads Go Package for Windows, MacOS, Linux, Alpine Linux, Solaris

    // This example assumes 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)
    // Use your IMAP server domain.  This example 
    success := imap.Connect("my-imap-server-domain.com")
    if success != true {
        fmt.Println(imap.LastErrorText())
        imap.DisposeImap()
        return
    }

    // Login
    success = imap.Login("myLogin","myPassword")
    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
    }

    // Get message ID's for emails older than 1/1/2018
    // messageSet is a MessageSet
    fetchUids := true
    messageSet := imap.Search("SENTBEFORE 01-Jan-2018",fetchUids)
    if imap.LastMethodSuccess() == false {
        fmt.Println(imap.LastErrorText())
        imap.DisposeImap()
        return
    }

    // If desired, we can examine the Subject of each email to be deleted..
    i := 0
    count := messageSet.Count()
    for i < count {
        email := imap.FetchSingleHeader(*messageSet.GetId(i),true)
        if imap.LastMethodSuccess() == true {
            fmt.Println(email.Subject())
            email.DisposeEmail()
        }

        i = i + 1
    }

    // Set the Deleted flag for each message:
    success = imap.SetFlags(messageSet,"Deleted",1)
    if success != true {
        fmt.Println(imap.LastErrorText())
        messageSet.DisposeMessageSet()
        imap.DisposeImap()
        return
    }

    // Expunge and close the mailbox.
    success = imap.ExpungeAndClose()
    if success != true {
        fmt.Println(imap.LastErrorText())
        messageSet.DisposeMessageSet()
        imap.DisposeImap()
        return
    }

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

    messageSet.DisposeMessageSet()

    imap.DisposeImap()