(DataFlex) Mailgun Send Email using MIME

See more Mailgun Examples

Send an email using MIME. This allows for the Chilkat email object to be used to construct the email. Then it can be sent using Mailgun.

For more information, see https://documentation.mailgun.com/en/latest/api-sending.html#sending

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-9.5.0-win32.pkg

Procedure Test
    Handle hoEmail
    String sContentType
    Boolean iSuccess
    String sHtml
    Handle hoHttp
    Variant vReq
    Handle hoReq
    Variant vResp
    Handle hoResp
    Variant vSbResponseBody
    Handle hoSbResponseBody
    Handle hoJResp
    Integer iRespStatusCode
    String sId
    String sMessage
    String sTemp1
    Boolean bTemp1

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

    // We're going to create an email that contains an .zip attachment,
    // and also both plain-text and HTML alternative bodies.
    // The HTML body will include an image.

    Get Create (RefClass(cComChilkatEmail)) To hoEmail
    If (Not(IsComObjectCreated(hoEmail))) Begin
        Send CreateComObject of hoEmail
    End

    // Adding attachments, HTML/plain-text bodies, etc can be done
    // in any order:

    // Add an attachment
    Get ComAddFileAttachment Of hoEmail "qa_data/hamlet.zip" To sContentType
    Get ComLastMethodSuccess Of hoEmail To bTemp1
    If (bTemp1 <> True) Begin
        Get ComLastErrorText Of hoEmail To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Add some headers:
    Set ComSubject Of hoEmail To "This is a complex email"
    // Please change this email address before testing.
    Get ComAddTo Of hoEmail "Joe Example" "joe@example.com" To iSuccess
    Set ComFrom Of hoEmail To "Mailgun Sandbox <postmaster@sandbox0e542e4c577f4bbb98c8bf6b6bca727b.mailgun.org>"

    // Add a plain-text body:
    Get ComAddPlainTextAlternativeBody Of hoEmail "This is the plain-text body" To iSuccess

    // Add an image that will be embedded in the HTML body.
    Get ComAddRelatedFile2 Of hoEmail "qa_data/jpg/starfish.jpg" "starfish.jpg" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoEmail To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Add an HTML body:

    Move '<html><body><b>This is the HTML body</b><br><img src="starfish.jpg"></body></html>' To sHtml

    Get ComAddHtmlAlternativeBody Of hoEmail sHtml To iSuccess

    // ------------------------------------------------------------------------
    // Send the above email using Mailgun

    Get Create (RefClass(cComChilkatHttp)) To hoHttp
    If (Not(IsComObjectCreated(hoHttp))) Begin
        Send CreateComObject of hoHttp
    End

    // Implements the following CURL command:

    Set ComLogin Of hoHttp To "api"
    Set ComPassword Of hoHttp To "api_password"    //  500edc...

    Get Create (RefClass(cComChilkatHttpRequest)) To hoReq
    If (Not(IsComObjectCreated(hoReq))) Begin
        Send CreateComObject of hoReq
    End
    Set ComHttpVerb Of hoReq To "POST"
    Set ComPath Of hoReq To "/v3/sandbox0e542e4c577f4bbb98c8bf6b6bca727b.mailgun.org/messages.mime"
    Set ComContentType Of hoReq To "multipart/form-data"

    Send ComAddParam To hoReq "from" "Mailgun Sandbox <postmaster@sandbox0e542e4c577f4bbb98c8bf6b6bca727b.mailgun.org>"
    Send ComAddParam To hoReq "to" "Joe Example <joe@example.com>"
    Get ComGetMime Of hoEmail To sTemp1
    Get ComAddStringForUpload2 Of hoReq "message" "message.eml" sTemp1 "utf-8" "application/octet-stream" To iSuccess

    Get pvComObject of hoReq to vReq
    Get ComSynchronousRequest Of hoHttp "api.mailgun.net" 443 True vReq To vResp
    If (IsComObject(vResp)) Begin
        Get Create (RefClass(cComChilkatHttpResponse)) To hoResp
        Set pvComObject Of hoResp To vResp
    End
    Get ComLastMethodSuccess Of hoHttp To bTemp1
    If (bTemp1 = False) Begin
        Get ComLastErrorText Of hoHttp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get Create (RefClass(cComChilkatStringBuilder)) To hoSbResponseBody
    If (Not(IsComObjectCreated(hoSbResponseBody))) Begin
        Send CreateComObject of hoSbResponseBody
    End
    Get pvComObject of hoSbResponseBody to vSbResponseBody
    Get ComGetBodySb Of hoResp vSbResponseBody To iSuccess
    Get Create (RefClass(cComChilkatJsonObject)) To hoJResp
    If (Not(IsComObjectCreated(hoJResp))) Begin
        Send CreateComObject of hoJResp
    End
    Get pvComObject of hoSbResponseBody to vSbResponseBody
    Get ComLoadSb Of hoJResp vSbResponseBody To iSuccess
    Set ComEmitCompact Of hoJResp To False

    Showln "Response Body:"
    Get ComEmit Of hoJResp To sTemp1
    Showln sTemp1

    Get ComStatusCode Of hoResp To iRespStatusCode
    Showln "Response Status Code = " iRespStatusCode
    If (iRespStatusCode >= 400) Begin
        Showln "Response Header:"
        Get ComHeader Of hoResp To sTemp1
        Showln sTemp1
        Showln "Failed."
        Send Destroy of hoResp
        Procedure_Return
    End

    Send Destroy of hoResp

    // Sample JSON response:
    // (Sample code for parsing the JSON response is shown below)

    // {
    //   "id": "<20210429234809.1.2D550E1C94D3D98F@sandbox0e542e4c577f4bbb98c8bf6b6bca727b.mailgun.org>",
    //   "message": "Queued. Thank you."
    // }

    // Sample code for parsing the JSON response...
    // Use the following online tool to generate parsing code from sample JSON:
    // Generate Parsing Code from JSON

    Get ComStringOf Of hoJResp "id" To sId
    Get ComStringOf Of hoJResp "message" To sMessage


End_Procedure