Sample code for 30+ languages & platforms
Go Requires Chilkat v11.0.0+

IMAP Copy Email from Selected Folder to Another Folder

Copies an email from the selected mailbox (folder) to another mailbox (folder).

Chilkat Go Downloads

Go
    success := false

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

    //  This example copies an email from one mailbox to another.
    imap := chilkat.NewImap()

    //  Turn on session logging for debugging.
    imap.SetKeepSessionLog(true)

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

    //  Authenticate
    success = imap.Login("email_account_login","email_account_password")
    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
    }

    //  Search for messages having "Test email" in the subject.
    fetchUids := true
    criteria := "SUBJECT \"Test email\""
    messageSet := chilkat.NewMessageSet()
    success = imap.QueryMbx(criteria,fetchUids,messageSet)
    if success == false {
        fmt.Println(imap.LastErrorText())
        imap.DisposeImap()
        messageSet.DisposeMessageSet()
        return
    }

    //  Assuming we have 1 or more messages in the set, copy the 1st one to the folder "Inbox.testFolder"
    if messageSet.Count() > 0 {
        success = imap.Copy(*messageSet.GetId(0),messageSet.HasUids(),"Inbox/testFolder")
        if success != true {
            fmt.Println(imap.LastErrorText())
        }

    }

    fmt.Println(imap.SessionLog())

    fmt.Println("OK")

    //  Sample sessiong log:

    //  ----INFO----
    //  Connecting to IMAP server at outlook.office365.com:993
    //  ----IMAP RESPONSE----
    //  * OK The Microsoft Exchange IMAP4 service is ready. [QgBMADAAUABSADAAMQAwADIAQwBBADAAMAA3ADAALgBwAHIAbwBkAC4AZQB4AGMAaABhAG4AZwBlAGwAYQBiAHMALgBjAG8AbQA=]
    //  ----IMAP REQUEST----
    //  aaab LOGIN "chilkat@live.com"
    //  ----IMAP RESPONSE----
    //  aaab OK LOGIN completed.
    //  ----IMAP REQUEST----
    //  aaac SELECT "Inbox"
    //  ----IMAP RESPONSE----
    //  * 28 EXISTS
    //  * 0 RECENT
    //  * FLAGS (\Seen \Answered \Flagged \Deleted \Draft $MDNSent)
    //  * OK [PERMANENTFLAGS (\Seen \Answered \Flagged \Deleted \Draft $MDNSent)] Permanent flags
    //  * OK [UNSEEN 23] Is the first unseen message
    //  * OK [UIDVALIDITY 14] UIDVALIDITY value
    //  * OK [UIDNEXT 6416] The next unique identifier value
    //  aaac OK [READ-WRITE] SELECT completed.
    //  ----IMAP REQUEST----
    //  aaad UID SEARCH SUBJECT "Test email"
    //  ----IMAP RESPONSE----
    //  * SEARCH 6414
    //  aaad OK SEARCH completed.
    //  ----IMAP REQUEST----
    //  aaae UID COPY 6414 "Inbox/testFolder"
    //  ----IMAP RESPONSE----
    //  aaae OK [COPYUID 180 6414 1] COPY completed.
    //  
    //  OK

    imap.DisposeImap()
    messageSet.DisposeMessageSet()