IMAP Download All Email One at a Time

Demonstrates how to download every email in an IMAP mailbox one at a time as a MIME string or as an email object. (The MIME contains the full contents of the email including all attachments.)

 Chilkat Java Library Downloads for Windows, Linux, and MAC OS X

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    CkImap imap = new CkImap();

    boolean success;

    //  Anything unlocks the component and begins a fully-functional 30-day trial.
    success = imap.UnlockComponent("Anything for 30-day trial");
    if (success != true) {
        System.out.println(imap.lastErrorText());
        return;
    }

    //  Connect to an IMAP server.
    success = imap.Connect("mail.chilkatsoft.com");
    if (success != true) {
        System.out.println(imap.lastErrorText());
        return;
    }

    //  Login
    success = imap.Login("myLogin","myPassword");
    if (success != true) {
        System.out.println(imap.lastErrorText());
        return;
    }

    //  Select an IMAP mailbox
    success = imap.SelectMailbox("Inbox");
    if (success != true) {
        System.out.println(imap.lastErrorText());
        return;
    }

    //  Once the mailbox is selected, the NumMessages property
    //  will contain the number of messages in the mailbox.
    //  You may loop from 1 to NumMessages to
    //  fetch each message by sequence number.

    boolean bUid;
    bUid = false;
    String mimeStr;
    int i;
    int n;
    n = imap.get_NumMessages();
    for (i = 1; i <= n; i++) {

        //  Download the email by sequence number.
        mimeStr = imap.fetchSingleAsMime(i,bUid);

        //  ... your application may process each MIME string...
    }

    //  An alternative is to download each email in the form of an
    //  email object, like this:
    CkEmail email;
    for (i = 1; i <= n; i++) {

        //  Download the email by sequence number.
        email = imap.FetchSingle(i,bUid);

        //  ... your application may process the email object...

    }

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


  }
}