C
C
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
Chilkat C Downloads
#include <C_CkHttp.h>
#include <C_CkBinData.h>
#include <C_CkJsonObject.h>
#include <C_CkHttpResponse.h>
void ChilkatSample(void)
{
BOOL success;
HCkHttp http;
HCkBinData attach1;
HCkBinData attach2;
HCkJsonObject json;
HCkHttpResponse resp;
success = FALSE;
// 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 = CkHttp_Create();
// 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).
CkHttp_putAuthToken(http,"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.
attach1 = CkBinData_Create();
CkBinData_LoadFile(attach1,"qa_data/pdf/fishing.pdf");
attach2 = CkBinData_Create();
CkBinData_LoadFile(attach2,"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.
json = CkJsonObject_Create();
CkJsonObject_UpdateString(json,"message.subject","Sample Email with Attachments");
CkJsonObject_UpdateString(json,"message.body.contentType","Text");
CkJsonObject_UpdateString(json,"message.body.content","This is the plain-text body...");
CkJsonObject_UpdateString(json,"message.toRecipients[0].emailAddress.name","Chilkat Software");
CkJsonObject_UpdateString(json,"message.toRecipients[0].emailAddress.address","admin@chilkat.io");
CkJsonObject_UpdateString(json,"message.toRecipients[1].emailAddress.address","chilkat.support@gmail.com");
CkJsonObject_UpdateString(json,"message.ccRecipients[0].emailAddress.name","Chilkat Blog");
CkJsonObject_UpdateString(json,"message.ccRecipients[0].emailAddress.address","admin@cknotes.com");
CkJsonObject_UpdateString(json,"message.attachments[0].\"@odata.type\"","#microsoft.graph.fileAttachment");
CkJsonObject_UpdateString(json,"message.attachments[0].name","fishing.pdf");
CkJsonObject_UpdateString(json,"message.attachments[0].contentType","application/pdf");
CkJsonObject_UpdateInt(json,"message.attachments[0].size",CkBinData_getNumBytes(attach1));
CkJsonObject_UpdateBool(json,"message.attachments[0].isInline",FALSE);
CkJsonObject_UpdateBd(json,"message.attachments[0].contentBytes","base64",attach1);
CkJsonObject_UpdateString(json,"message.attachments[1].\"@odata.type\"","#microsoft.graph.fileAttachment");
CkJsonObject_UpdateString(json,"message.attachments[1].name","sample.docx");
CkJsonObject_UpdateString(json,"message.attachments[1].contentType","application/vnd.openxmlformats-officedocument.wordprocessingml.document");
CkJsonObject_UpdateInt(json,"message.attachments[1].size",CkBinData_getNumBytes(attach2));
CkJsonObject_UpdateBool(json,"message.attachments[1].isInline",FALSE);
CkJsonObject_UpdateBd(json,"message.attachments[1].contentBytes","base64",attach2);
CkJsonObject_UpdateBool(json,"saveToSentItems",TRUE);
// -------------------------------------------------------------
// Important: This example requires Chilkat v9.5.0.68 or greater.
// -------------------------------------------------------------
// Send the HTTP POST (i.e. send the HTML email)
resp = CkHttpResponse_Create();
success = CkHttp_HttpJson(http,"POST","https://graph.microsoft.com/v1.0/me/sendMail",json,"application/json",resp);
if (success == FALSE) {
printf("%s\n",CkHttp_lastErrorText(http));
CkHttp_Dispose(http);
CkBinData_Dispose(attach1);
CkBinData_Dispose(attach2);
CkJsonObject_Dispose(json);
CkHttpResponse_Dispose(resp);
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 (CkHttpResponse_getStatusCode(resp) != 202) {
CkJsonObject_Load(json,CkHttpResponse_bodyStr(resp));
CkJsonObject_putEmitCompact(json,FALSE);
printf("%s\n",CkJsonObject_emit(json));
printf("Failed, response status code = %d\n",CkHttpResponse_getStatusCode(resp));
}
else {
printf("Outlook Mail with Attachments Sent.\n");
}
CkHttp_Dispose(http);
CkBinData_Dispose(attach1);
CkBinData_Dispose(attach2);
CkJsonObject_Dispose(json);
CkHttpResponse_Dispose(resp);
}