(C#) Download Unread Email from IMAP Mailbox

Download unread email messages from an IMAP mailbox.

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

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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("admin@chilkatsoft.com","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;
}

// Find emails marked as seen or not already seen:
string seenSearch = "SEEN";
string notSeenSearch = "NOT SEEN";

// Get the set of unseen message UIDs
bool fetchUids = true;
Chilkat.MessageSet messageSet = new Chilkat.MessageSet();
success = imap.QueryMbx(notSeenSearch,fetchUids,messageSet);
if (success == false) {
    Debug.WriteLine(imap.LastErrorText);
    return;
}

// Fetch the unseen 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;
}

// Display the Subject and From of each email.
Chilkat.Email email = new Chilkat.Email();
int i = 0;
int numEmails = bundle.MessageCount;
while (i < numEmails) {
    bundle.EmailAt(i,email);

    Debug.WriteLine(email.GetHeaderField("Date"));
    Debug.WriteLine(email.Subject);
    Debug.WriteLine(email.From);
    Debug.WriteLine("--");
    i = i + 1;
}

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