Dart Requires Chilkat v11.0.0+

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

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

import 'package:chilkat/chilkat.dart';

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

  final imap = CkImap();

  // Connect to an IMAP server.
  // Use TLS
  imap.ssl = true;
  imap.port = 993;
  try {
    imap.connect('imap.example.com');
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Login
  try {
    imap.login('myLogin', 'myPassword');
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Select an IMAP mailbox
  try {
    imap.selectMailbox('Inbox');
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

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

  // Get the message IDs of all the emails in the mailbox
  final messageSet = CkMessageSet();
  try {
    imap.queryMbx('ALL', fetchUids, messageSet);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Fetch the emails into a bundle object:
  final bundle = CkEmailBundle();
  final headersOnly = false;
  try {
    imap.fetchMsgSet(headersOnly, messageSet, bundle);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // To mark a complete set of emails for deletion, call SetFlags:
  try {
    imap.setFlags(messageSet, 'Deleted', 1);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Messages can also be marked for deletion individually:
  // Loop over the bundle and mark each message for deletion.
  final email = CkEmail();
  var i = 0;
  final numEmails = bundle.messageCount;
  while (i < numEmails) {
    bundle.emailAt(i, email);

    print(email.from);
    print(email.subject);

    // To delete this email, set the "Deleted" flag to 1.
    // The email is not actually deleted until Expunge or
    // ExpungeAndClose is called.
    try {
      imap.setMailFlag(email, 'Deleted', 1);
    } on ChilkatException catch (e) {
      print(e.lastErrorText);
      return;
    }

    print('--');

    i++;
  }

  try {
    imap.expungeAndClose();
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

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