Java

Outlook Send Email with Attachments

See more Outlook Examples

This example sends a plain-text email with attachments. Other examples exist for:

• Sending plain-text email.
• Sending HTML email.
• Sending HTML email with embedded images.
• Sending HTML email with embedded images and attachments.

This example applies to: Exchange Online | Office 365 | Hotmail.com | Live.com | MSN.com | Outlook.com | Passport.com

Chilkat2 Java

import com.chilkatsoft.chilkat2.BinData;
import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Http;
import com.chilkatsoft.chilkat2.HttpResponse;
import com.chilkatsoft.chilkat2.JsonObject;

public class ChilkatExample {

    public static void main(String[] args) {
        // Important: This example requires Chilkat v9.5.0.68 or greater.

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

        Http http = new Http();

        // Use your previously obtained access token here:
        // See the following examples for getting an access token:
        //    Get Microsoft Graph OAuth2 Access Token (Azure AD v2.0 Endpoint).
        //    Get Microsoft Graph OAuth2 Access Token (Azure AD Endpoint).
        //    Refresh Access Token (Azure AD v2.0 Endpoint).
        //    Refresh Access Token (Azure AD Endpoint).

        http.setAuthToken("MICROSOFT_GRAPH_ACCESS_TOKEN");

        // To send mail, we'll POST to the following endpoint:
        //
        // POST /users/{id | userPrincipalName}/sendMail
        //
        // (The special keyword "me" may be used in place of a principal name.)
        //

        // Load the files to be attached.
        BinData attach1 = new BinData();
        attach1.loadFile("qa_data/pdf/fishing.pdf");
        BinData attach2 = new BinData();
        attach2.loadFile("qa_data/msword/sample.docx");

        // The body of the POST request contains JSON that specifies the email subject, body,
        // recipients, etc.  This example will build the following JSON plain-text email:
        //

        //     {
        //       "message": {
        //         "subject": "Sample Email with Attachments",
        //         "body": {
        //           "contentType": "Text",
        //           "content": "This is the plain-text body..."
        //         },
        //         "toRecipients": [
        //           {
        //             "emailAddress": {
        //           "name": "Chilkat Software",
        //               "address": "admin@chilkat.io"
        //             }
        //           },
        //           {
        //             "emailAddress": {
        //               "address": "chilkat.support@gmail.com"
        //             }
        //           }
        //         ],
        //         "ccRecipients": [
        //           {
        //             "emailAddress": {
        //           "name": "Chilkat Blog",
        //           "address": "admin@cknotes.com"
        //             }
        //           }
        //         ],
        //         "attachments": [
        //            {
        //              "@odata.type": "#microsoft.graph.fileAttachment",
        //              "name": "fishing.pdf",
        //              "contentType": "application/pdf",
        //              "size": <theActualSize>,
        //              "isInline": false,
        //              "contentBytes": "base64_data_here"
        //            },
        //            {
        //              "@odata.type": "#microsoft.graph.fileAttachment",
        //              "name": "sample.docx",
        //              "contentType": "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
        //              "size": <theActualSize>,
        //              "isInline": false,
        //              "contentBytes": "base64_data_here"
        //            }
        //         ]
        //       },
        //       "saveToSentItems": true
        //     }
        //
        // Build the above JSON.
        JsonObject json = new JsonObject();
        json.updateString("message.subject", "Sample Email with Attachments");
        json.updateString("message.body.contentType", "Text");
        json.updateString("message.body.content", "This is the plain-text body...");

        json.updateString("message.toRecipients[0].emailAddress.name", "Chilkat Software");
        json.updateString("message.toRecipients[0].emailAddress.address", "admin@chilkat.io");
        json.updateString("message.toRecipients[1].emailAddress.address", "chilkat.support@gmail.com");
        json.updateString("message.ccRecipients[0].emailAddress.name", "Chilkat Blog");
        json.updateString("message.ccRecipients[0].emailAddress.address", "admin@cknotes.com");

        json.updateString("message.attachments[0].\"@odata.type\"", "#microsoft.graph.fileAttachment");
        json.updateString("message.attachments[0].name", "fishing.pdf");
        json.updateString("message.attachments[0].contentType", "application/pdf");
        json.updateInt("message.attachments[0].size", attach1.getNumBytes());
        json.updateBool("message.attachments[0].isInline", false);
        json.updateBd("message.attachments[0].contentBytes", "base64", attach1);

        json.updateString("message.attachments[1].\"@odata.type\"", "#microsoft.graph.fileAttachment");
        json.updateString("message.attachments[1].name", "sample.docx");
        json.updateString("message.attachments[1].contentType", "application/vnd.openxmlformats-officedocument.wordprocessingml.document");
        json.updateInt("message.attachments[1].size", attach2.getNumBytes());
        json.updateBool("message.attachments[1].isInline", false);
        json.updateBd("message.attachments[1].contentBytes", "base64", attach2);

        json.updateBool("saveToSentItems", true);

        // -------------------------------------------------------------
        // Important: This example requires Chilkat v9.5.0.68 or greater.
        // -------------------------------------------------------------

        // Send the HTTP POST (i.e. send the HTML email)
        HttpResponse resp = new HttpResponse();
        try {
            http.httpJson("POST", "https://graph.microsoft.com/v1.0/me/sendMail", json, "application/json", resp);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // The send succeeded if the response status code = 202.
        // In the success case, there is no response body.  (We just get the response code to know that it succeeded.)
        if (resp.getStatusCode() != 202) {
            json.load(resp.getBodyStr());
            json.setEmitCompact(false);
            System.out.println(json.emit());
            System.out.println("Failed, response status code = " + resp.getStatusCode());
        } else {
            System.out.println("Outlook Mail with Attachments Sent.");
        }
    }
}