SQL Server
Mailgun Send Send HTML Email with Attachments and HTML Images

Sends an HTML email with images and attachments.
Chilkat SQL Server Downloads

SQL Server
-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

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

    DECLARE @http int
    EXEC @hr = sp_OACreate 'Chilkat.Http', @http OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    EXEC sp_OASetProperty @http, 'Login', 'api'
    EXEC sp_OASetProperty @http, 'Password', 'sending_api_key'    --  Replace with your actual sending API key.

    DECLARE @req int
    EXEC @hr = sp_OACreate 'Chilkat.HttpRequest', @req OUT

    EXEC sp_OASetProperty @req, 'HttpVerb', 'POST'
    EXEC sp_OASetProperty @req, 'Path', '/v3/YOUR_DOMAIN_NAME/messages'
    EXEC sp_OASetProperty @req, 'ContentType', 'multipart/form-data'

    -- Change YOUR_DOMAIN_NAME to something like "mg.your-domain.com".
    EXEC sp_OAMethod @req, 'AddParam', NULL, 'from', 'Your Name <mailgun@YOUR_DOMAIN_NAME>'
    EXEC sp_OAMethod @req, 'AddParam', NULL, 'to', 'Joe Example <joe@example.com>'
    EXEC sp_OAMethod @req, 'AddParam', NULL, 'subject', 'Hello Joe Example'
    EXEC sp_OAMethod @req, 'AddParam', NULL, 'html', '<html><body><b>This is the HTML body</b><br><img src="cid:cidStarfish.jpg"></body></html>'

    -- An a attachd file
    DECLARE @bd int
    EXEC @hr = sp_OACreate 'Chilkat.BinData', @bd OUT

    EXEC sp_OAMethod @bd, 'LoadFile', @success OUT, 'qa_data/hamlet.zip'
    IF @success = 0
      BEGIN

        PRINT 'Failed to load file attachment.'
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @req
        EXEC @hr = sp_OADestroy @bd
        RETURN
      END
    EXEC sp_OAMethod @req, 'AddBdForUpload', @success OUT, 'attachment', 'hamlet.zip', @bd, 'application/zip'

    -- add an image as CID
    EXEC sp_OAMethod @bd, 'LoadFile', @success OUT, 'qa_data/jpg/starfish.jpg'
    IF @success = 0
      BEGIN

        PRINT 'Failed to load HTML image.'
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @req
        EXEC @hr = sp_OADestroy @bd
        RETURN
      END
    EXEC sp_OAMethod @req, 'AddBdForUpload', @success OUT, 'inline', 'cidStarfish.jpg', @bd, 'image/jpeg'

    DECLARE @resp int
    EXEC @hr = sp_OACreate 'Chilkat.HttpResponse', @resp OUT

    EXEC sp_OAMethod @http, 'HttpSReq', @success OUT, 'api.mailgun.net', 443, 1, @req, @resp
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @req
        EXEC @hr = sp_OADestroy @bd
        EXEC @hr = sp_OADestroy @resp
        RETURN
      END

    DECLARE @sbResponseBody int
    EXEC @hr = sp_OACreate 'Chilkat.StringBuilder', @sbResponseBody OUT

    EXEC sp_OAMethod @resp, 'GetBodySb', @success OUT, @sbResponseBody
    DECLARE @jResp int
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @jResp OUT

    EXEC sp_OAMethod @jResp, 'LoadSb', @success OUT, @sbResponseBody
    EXEC sp_OASetProperty @jResp, 'EmitCompact', 0


    PRINT 'Response Body:'
    EXEC sp_OAMethod @jResp, 'Emit', @sTmp0 OUT
    PRINT @sTmp0

    DECLARE @respStatusCode int
    EXEC sp_OAGetProperty @resp, 'StatusCode', @respStatusCode OUT

    PRINT 'Response Status Code = ' + @respStatusCode
    IF @respStatusCode >= 400
      BEGIN

        PRINT 'Response Header:'
        EXEC sp_OAGetProperty @resp, 'Header', @sTmp0 OUT
        PRINT @sTmp0

        PRINT 'Failed.'
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @req
        EXEC @hr = sp_OADestroy @bd
        EXEC @hr = sp_OADestroy @resp
        EXEC @hr = sp_OADestroy @sbResponseBody
        EXEC @hr = sp_OADestroy @jResp
        RETURN
      END

    -- 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

    DECLARE @id nvarchar(4000)
    EXEC sp_OAMethod @jResp, 'StringOf', @id OUT, 'id'
    DECLARE @message nvarchar(4000)
    EXEC sp_OAMethod @jResp, 'StringOf', @message OUT, 'message'

    EXEC @hr = sp_OADestroy @http
    EXEC @hr = sp_OADestroy @req
    EXEC @hr = sp_OADestroy @bd
    EXEC @hr = sp_OADestroy @resp
    EXEC @hr = sp_OADestroy @sbResponseBody
    EXEC @hr = sp_OADestroy @jResp


END
GO