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(Go) Send GMail with BCC Recipients using REST APISee more GMail REST API ExamplesDemonstrates how to send an email with BCC recipients using the GMail REST API. Note: This example requires Chilkat v9.5.0.91 or greater.
// This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. var success bool // Use the Chilkat Email API to create or load an email. email := chilkat.NewEmail() // The From name/address don't need to be specified. // GMail will automatically use your Gmail address if the following 2 lines are omitted. email.SetFromName("My Name") email.SetFromAddress("my_account_name@gmail.com") email.AddTo("John Smith","somebody@somewhere.com") // To add more recipients, make additional calls to AddTo or AddCC, one per recipient... // ----------------------------------------------------------------------------------------- // This section of this example demonstrates how to add BCC recipients. // // Technically, an email should never contain a "Bcc" MIME header because it would // effectively nullify the purpose of BCC -- which means "Blind Carbon Copy". // Email recipients should not be able to see the BCC recipients. // Chilkat never adds a "Bcc" header field. // However.. in this case, the GMail REST server will look for the Bcc header field, // and will include those email addresses when sending, and also removes the Bcc header // from the email that is sent. // // Starting in Chilkat v9.5.0.91, we can tell the email object to add the Bcc header // using the "UseBccHeader" UncommonOptions. For example: email.SetUncommonOptions("UseBccHeader") email.AddBcc("Joe","joe@example.com") email.AddBcc("Dave","dave@example.com") // ... // ----------------------------------------------------------------------------------------- email.SetSubject("This is a test GMail email created using Chilkat.") email.SetCharset("utf-8") email.AddPlainTextAlternativeBody("This is a test") // Create an HTML email body with an embedded image. cid := email.AddRelatedFile("qa_data/jpg/starfish.jpg") sbHtml := chilkat.NewStringBuilder() sbHtml.Append("<html><body>This is a <b>test</b><br><img src=\"cid:STARFISH_CID\"/></body></html>") numReplacements := sbHtml.Replace("STARFISH_CID",*cid) email.AddHtmlAlternativeBody(*sbHtml.GetAsString()) // OK.. we now have an HTML email with an embedded JPG image // We'll need to get the full MIME of the email encoded to a base64url string. sbMime := chilkat.NewStringBuilder() email.GetMimeSb(sbMime) sbMime.Encode("base64url","utf-8") // The body of the HTTP request will be JSON.. json := chilkat.NewJsonObject() json.UpdateSb("raw",sbMime) // Send the email... http := chilkat.NewHttp() http.SetAuthToken("GMAIL-ACCESS-TOKEN") url := "https://www.googleapis.com/gmail/v1/users/me/messages/send" resp := http.PostJson3(url,"application/json",json) if http.LastMethodSuccess() != true { fmt.Println(http.LastErrorText()) email.DisposeEmail() sbHtml.DisposeStringBuilder() sbMime.DisposeStringBuilder() json.DisposeJsonObject() http.DisposeHttp() return } // A status code of 200 indicates success. fmt.Println("Response status code: ", resp.StatusCode()) fmt.Println("Response body:") fmt.Println(resp.BodyStr()) resp.DisposeHttpResponse() // The response body contains JSON. // Use the online tool at Generate JSON Parsing Code // to generate JSON parsing code. // A sample successful JSON response: // { // "id": "166f0d4ac39e50bf", // "threadId": "166f0d4ac39e50bf", // "labelIds": [ // "SENT" // ] // } email.DisposeEmail() sbHtml.DisposeStringBuilder() sbMime.DisposeStringBuilder() json.DisposeJsonObject() http.DisposeHttp() |
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