Swift
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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Swift

func chilkatTest() {
    var success: Bool = false

    // 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..
    let email = CkoEmail()!
    email.charset = "utf-8"
    email.subject = "Test email with PDF attachment."
    email.setHtmlBody(html: "<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..
    var contentType: String? = email.addFileAttachment(path: "qa_data/pdf/fishing.pdf")
    if email.lastMethodSuccess != true {
        print("\(email.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.add(to: "Mr. Simulator", emailAddress: "success@simulator.amazonses.com")
    email.addCC(friendlyName: "Chilkat Support", emailAddress: "support@chilkatsoft.com")
    email.addCC(friendlyName: "Some Yahoo", emailAddress: "somebody@yahoo.com")

    // Get the MIME of the email to be sent.
    var mimeStr: String? = email.getMime()

    // We'll need the MIME base64 encoded for the SES REST request..
    let crypt = CkoCrypt2()!
    var mimeBase64: String? = crypt.encodeString(inStr: mimeStr, charset: "utf-8", encoding: "base64")

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

    let rest = CkoRest()!

    // Connect to the Amazon AWS REST server.
    // such as https://email.us-west-2.amazonaws.com/
    var bTls: Bool = true
    var port: Int = 443
    var bAutoReconnect: Bool = true
    success = rest.connect(hostname: "email.us-west-2.amazonaws.com", port: port, tls: bTls, autoReconnect: bAutoReconnect)

    // Provide AWS credentials for the REST call.
    let authAws = CkoAuthAws()!
    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(authProvider: authAws)

    rest.addQueryParam(name: "Action", value: "SendRawEmail")

    rest.addQueryParam(name: "RawMessage.Data", value: 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(name: "Destination.ToAddresses.member.1", value: "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(name: "Destination.CcAddresses.member.1", value: "support@chilkatsoft.com")
    rest.addQueryParam(name: "Destination.CcAddresses.member.2", value: "somebody@yahoo.com")
    rest.addQueryParam(name: "Destination.BccAddresses.member.1", value: "somebody@gmail.com")

    rest.addQueryParam(name: "Source", value: "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.
    var responseXml: String? = rest.fullRequestFormUrlEncoded(httpVerb: "POST", uriPath: "/")
    if rest.lastMethodSuccess != true {
        print("\(rest.lastErrorText!)")
        return
    }

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

    // Examine the successful XML response.
    let xml = CkoXml()!
    xml.load(xmlData: responseXml)
    print("\(xml.getXml()!)")

    // To get the MessageId
    print("MessageId: \(xml.chilkatPath(cmd: "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>

}