Dart
SendRawEmail (HTML Email with PDF Attachment)

Demonstrates how to use the SES SendRawEmail action to send an email with an attachment. Note: The total size of an SES email cannot exceed 10MB.
See SES SendRawEmail for more information.
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Dart
import 'package:chilkat/chilkat.dart';

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

  // Let's first prepare the email to be sent..
  final email = CkEmail();
  email.charset = 'utf-8';
  email.subject = 'Test email with PDF attachment.';
  email.setHtmlBody('<html><body><p>This is a test <b>HTML email with a PDF attachment</b></p></body></html>');

  // The AddFileAttachment method returns the content-type selected based on the 
  // file extension.   This example has no need of using the return value..
  final String contentType;
  try {
    contentType = email.addFileAttachment('qa_data/pdf/fishing.pdf');
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Add the From header, and some recipients.
  // The From address should be an email address verified for use
  // as a sender for your Amazon SES account.
  // The From address will also be the Source parameter for the SES SendRawEmail request.
  email.from = 'Chilkat Software <admin@chilkatdownload.com>';

  // Add recipients...
  // Note: We DO NOT add BCC recipients to the email.  A BCC address should not be
  // present in the MIME header of the email (otherwise it would not be "blind" because
  // other recipients would be able to see it).
  // These same addresses will be added as parameters to the SendRawEmail request.
  // (BCC addresses are added as parameters at that time.)
  email.addTo('Mr. Simulator', 'success@simulator.amazonses.com');
  email.addCC('Chilkat Support', 'support@chilkatsoft.com');
  email.addCC('Some Yahoo', 'somebody@yahoo.com');

  // Get the MIME of the email to be sent.
  final mimeStr = email.getMime();

  // We'll need the MIME base64 encoded for the SES REST request..
  final crypt = CkCrypt2();
  final mimeBase64 = crypt.encodeString(mimeStr, 'utf-8', 'base64');

  // OK.. our MIME email is prepared.  Now use Chilkat REST to send it..

  final rest = CkRest();

  // Connect to the Amazon AWS REST server.
  // such as https://email.us-west-2.amazonaws.com/
  final bTls = true;
  final port = 443;
  final bAutoReconnect = true;
  rest.connect('email.us-west-2.amazonaws.com', port, bTls, bAutoReconnect);

  // Provide AWS credentials for the REST call.
  final authAws = CkAuthAws();
  authAws.accessKey = 'AWS_ACCESS_KEY';
  authAws.secretKey = 'AWS_SECRET_KEY';
  // the region should match our URL above..
  authAws.region = 'us-west-2';
  authAws.serviceName = 'ses';

  rest.setAuthAws(authAws);

  rest.addQueryParam('Action', 'SendRawEmail');

  rest.addQueryParam('RawMessage.Data', mimeBase64);

  // Add up to 100 TO, CC, and BCC recipients.
  // If your SES account is still in the sandbox, you also must verify every recipient email address except for the recipients 
  // provided by the Amazon SES mailbox simulator. (See http://docs.aws.amazon.com/ses/latest/DeveloperGuide/mailbox-simulator.html)
  rest.addQueryParam('Destination.ToAddresses.member.1', 'success@simulator.amazonses.com');
  // Please do not test by sending email to Chilkat (Thank You!)
  // Please do not test by sending email to Chilkat (Thank You!)
  // Please do not test by sending email to Chilkat (Thank You!)
  rest.addQueryParam('Destination.CcAddresses.member.1', 'support@chilkatsoft.com');
  rest.addQueryParam('Destination.CcAddresses.member.2', 'somebody@yahoo.com');
  rest.addQueryParam('Destination.BccAddresses.member.1', 'somebody@gmail.com');

  rest.addQueryParam('Source', 'admin@chilkatdownload.com');

  // Because there may be a large amount of data in the query params, use a POST
  // where the params are sent in the body of the HTTP Request.
  final String responseXml;
  try {
    responseXml = rest.fullRequestFormUrlEncoded('POST', '/');
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // A successful response will have a status code equal to 200.
  if (rest.responseStatusCode != 200) {
    print('response status code = ${rest.responseStatusCode}');
    print('response status text = ${rest.responseStatusText}');
    print('response header: ${rest.responseHeader}');
    print('response body: $responseXml');
    return;
  }

  // Examine the successful XML response.
  final xml = CkXml();
  xml.loadXml(responseXml);
  print(xml.getXml());

  // To get the MessageId
  print('MessageId: ${xml.chilkatPath('SendEmailResult|MessageId|*')}');

  // A sample successful response:
  // <?xml version="1.0" encoding="utf-8" ?>
  // <SendEmailResponse xmlns="http://ses.amazonaws.com/doc/2010-12-01/">
  //     <SendEmailResult>
  //         <MessageId>010101579081d2c1-043c693f-5a23-4c64-a8c1-66187d3725a0-000000</MessageId>
  //     </SendEmailResult>
  //     <ResponseMetadata>
  //         <RequestId>e2b5b480-8a4e-11e6-85cd-21b1f1f6d432</RequestId>
  //     </ResponseMetadata>
  // </SendEmailResponse>
}