C#

Delete Email Individually (One at a time) from an IMAP Mailbox

Downloads email from an IMAP mailbox and deletes emails individually (one by one). C#

bool success = false;

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

Chilkat.Imap imap = new Chilkat.Imap();

// Connect to an IMAP server.
// Use TLS
imap.Ssl = true;
imap.Port = 993;
success = imap.Connect("imap.example.com");
if (success == false) {
    Debug.WriteLine(imap.LastErrorText);
    return;
}

// Login
success = imap.Login("myLogin","myPassword");
if (success == false) {
    Debug.WriteLine(imap.LastErrorText);
    return;
}

// Select an IMAP mailbox
success = imap.SelectMailbox("Inbox");
if (success == false) {
    Debug.WriteLine(imap.LastErrorText);
    return;
}

// We can choose to fetch UIDs or sequence numbers.
bool fetchUids = true;

// Get the message IDs of all the emails in the mailbox
Chilkat.MessageSet messageSet = new Chilkat.MessageSet();
success = imap.QueryMbx("ALL",fetchUids,messageSet);
if (success == false) {
    Debug.WriteLine(imap.LastErrorText);
    return;
}

// Fetch the emails into a bundle object:
Chilkat.EmailBundle bundle = new Chilkat.EmailBundle();
bool headersOnly = false;
success = imap.FetchMsgSet(headersOnly,messageSet,bundle);
if (success == false) {
    Debug.WriteLine(imap.LastErrorText);
    return;
}

// To mark a complete set of emails for deletion, call SetFlags:
success = imap.SetFlags(messageSet,"Deleted",1);
if (success == false) {
    Debug.WriteLine(imap.LastErrorText);
    return;
}

// Messages can also be marked for deletion individually:
// Loop over the bundle and mark each message for deletion.
Chilkat.Email email = new Chilkat.Email();
int i = 0;
int numEmails = bundle.MessageCount;
while (i < numEmails) {
    bundle.EmailAt(i,email);

    Debug.WriteLine(email.From);
    Debug.WriteLine(email.Subject);

    // To delete this email, set the "Deleted" flag to 1.
    // The email is not actually deleted until Expunge or
    // ExpungeAndClose is called.
    success = imap.SetMailFlag(email,"Deleted",1);
    if (success == false) {
        Debug.WriteLine(imap.LastErrorText);
        return;
    }

    Debug.WriteLine("--");

    i = i + 1;
}

success = imap.ExpungeAndClose();
if (success == false) {
    Debug.WriteLine(imap.LastErrorText);
    return;
}

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