IMAP Find Emails by Date

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var success = false;

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

var imap = new CkImap();

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

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

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

// In the IMAP (Internet Message Access Protocol) protocol, criteria strings are used to search for emails matching specific criteria on the mail server. 
// When searching for emails by date, you can use criteria strings to specify the date range you're interested in.
// 
// IMAP provides several options for searching emails by date using criteria strings. Here are the commonly used ones:
// 
// 1. BEFORE: Searches for emails sent before a specific date.
//    Example: BEFORE 01-Apr-2022
// 
// 2. ON: Searches for emails sent on a specific date.
//    Example: ON 01-Apr-2022
// 
// 3. SINCE: Searches for emails sent after a specific date.
//    Example: SINCE 01-Apr-2022
// 
// 4. SENTBEFORE: Searches for emails whose date header (sent date) is before a specific date.
//    Example: SENTBEFORE 01-Apr-2022
// 
// 5. SENTON: Searches for emails whose date header (sent date) is on a specific date.
//    Example: SENTON 01-Apr-2022
// 
// 6. SENTSINCE: Searches for emails whose date header (sent date) is after a specific date.
//    Example: SENTSINCE 01-Apr-2022
// 

// 
// The date format used in IMAP criteria strings is typically a specific format like "DD-Mon-YYYY" (e.g., "01-Apr-2022"), but some servers may also accept other formats 
// such as "YYYY-MM-DD". It's essential to check the documentation or specifications of the IMAP server you're working with to ensure compatibility with the 
// date format you're using.
// 
// By combining these date criteria strings with other search criteria (such as sender, recipient, subject, etc.), 
// you can effectively filter and retrieve emails based on various conditions.
// 

// Search for messages on a specific date.
// The date string is DD-Month-YYYY where Month is
// Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, or Dec.
var onDate = "SENTON 15-Apr-2024";

// Search for messages between two dates.  SENTBEFORE
// finds emails sent before a date, and SENTSINCE finds
// email sent on or after a date.  The "AND" operation
// is implied by joining criteria, separated by spaces.
var betweenDates = "SENTSINCE 12-Apr-2024 SENTBEFORE 15-Apr-2024";

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

var messageSet = new CkMessageSet();
success = imap.QueryMbx(betweenDates,fetchUids,messageSet);
if (success == false) {
    console.log(imap.LastErrorText);
    return;
}

console.log(messageSet.ToCompactString());

// Download each email in the message set.
var email = new CkEmail();
var messageCount = messageSet.Count;
var i = 0;
while (i < messageCount) {
    success = imap.FetchEmail(false,messageSet.GetId(i),fetchUids,email);
    if (success == false) {
        console.log(imap.LastErrorText);
        return;
    }

    console.log(email.Subject);
    // ...

    i = i+1;
}

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