(Swift 3,4,5...) IMAP Copy Email from Selected Folder to Another Folder

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

Chilkat Downloads for the Swift Programming Language MAC OS X (Cocoa) Objective-C/Swift Libs iOS Objective-C/Swift Libs

func chilkatTest() {
    // 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.
    let imap = CkoImap()!

    // Turn on session logging for debugging.
    imap.keepSessionLog = true

    // Connect using TLS.
    imap.ssl = true
    imap.port = 993
    var success: Bool = imap.connect("imap.example.com")
    if success != true {
        print("\(imap.lastErrorText!)")
        return
    }

    // Authenticate
    success = imap.login("email_account_login", password: "email_account_password")
    if success != true {
        print("\(imap.lastErrorText!)")
        return
    }

    // Select an IMAP mailbox
    success = imap.selectMailbox("Inbox")
    if success != true {
        print("\(imap.lastErrorText!)")
        return
    }

    // Search for messages having "Test email" in the subject.
    var fetchUids: Bool = true
    var messageSet: CkoMessageSet? = imap.search("SUBJECT \"Test email\"", bUid: fetchUids)
    if imap.lastMethodSuccess != true {
        print("\(imap.lastErrorText!)")
        return
    }

    // Assuming we have 1 or more messages in the set, copy the 1st one to the folder "Inbox.testFolder"
    if messageSet!.count.intValue > 0 {
        success = imap.copy(messageSet!.getId(0).intValue, bUid: messageSet!.hasUids, copyToMailbox: "Inbox/testFolder")
        if success != true {
            print("\(imap.lastErrorText!)")
        }

    }

    messageSet = nil

    print("\(imap.sessionLog!)")

    print("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

}