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Java Requires Chilkat v11.0.0+

Process New Email by Scanning for Senders

Scan email and save application-selected emails to EML files with unique filenames.

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Chilkat2 Java
import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Email;
import com.chilkatsoft.chilkat2.EmailBundle;
import com.chilkatsoft.chilkat2.Imap;
import com.chilkatsoft.chilkat2.MessageSet;

public class ChilkatExample {

    public static void main(String[] args) {
        // This example assumes the Chilkat API to have been previously unlocked.
        // See Global Unlock Sample for sample code.

        Imap imap = new Imap();

        // Connect to an IMAP server.
        // Use TLS
        imap.setSsl(true);
        imap.setPort(993);
        try {
            imap.connect("imap.example.com");

            // Login
            imap.login("myLogin", "myPassword");

            // Select an IMAP mailbox
            imap.selectMailbox("Inbox");
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

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

        // Fetch messages from the mailbox using a search criteria.
        // This example finds NEW emails: these are emails that have the RECENT flag set, but not the SEEN flag:
        MessageSet messageSet = new MessageSet();
        try {
            imap.queryMbx("NEW", fetchUids, messageSet);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // This example will download headers, and then download
        // the full email for those emails sent from a contact
        // in our database.

        // When downloading headers, each email object contains
        // (obviously) the headers, but the body will be missing.
        // Also, attachments will not be included.  However, it is
        // possible to get information about the attachments
        // as well as the complete size of the email.
        EmailBundle bundle = new EmailBundle();
        boolean headersOnly = true;
        try {
            imap.fetchMsgSet(headersOnly, messageSet, bundle);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // Loop over the email objects...
        Email emailHeader = new Email();
        Email fullEmail = new Email();
        int i = 0;
        int numEmails = bundle.getMessageCount();
        while (i < numEmails) {
            bundle.emailAt(i, emailHeader);

            // The sender's email address and name are available
            // in the From, FromAddress, and FromName properties.
            // If the sender is "Chilkat Support <support@chilkatsoft.com",
            // then the From property will hold the entire string.
            // the FromName property contains"Chilkat Support",
            // and the FromAddress property contains "support@chilkatsoft.com";
            System.out.println(emailHeader.getFrom());
            System.out.println(emailHeader.getFromAddress());
            System.out.println(emailHeader.getFromName());

            // Assume at this point your code checks to see if the sender
            // is one in your contacts database.  If so, this is
            // the code you would write to download the entire
            // email and save it to a file.

            // The ckx-imap-uid header field is added when
            // headers are downloaded.  This makes it possible
            // to get the UID from the email object.
            String uidStr = emailHeader.getHeaderField("ckx-imap-uid");
            int uid = Integer.parseInt(uidStr);

            try {
                imap.fetchEmail(false, uid, true, fullEmail);
            } catch (ChilkatException e) {
                System.out.println(e.getLastErrorText());
                return;
            }

            // You can use the GenerateFilename method to
            // generate a unique filename...
            String filename = fullEmail.generateFilename();

            // SaveEml saves the entire email, including attachments.
            fullEmail.saveEml(filename);

            System.out.println("--");

            i = i + 1;
        }

        // Disconnect from the IMAP server.
        imap.disconnect();
    }
}