connect method
Connects and authenticates with the specified incoming mail server.
Also compare disconnect.
Implementation
Future<void> connect() async {
  await _incomingMailClient.connect();
  _isConnected = true;
}
Connects and authenticates with the specified incoming mail server.
Also compare disconnect.
Future<void> connect() async {
  await _incomingMailClient.connect();
  _isConnected = true;
}