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(PureBasic) Outlook Send HTML Email with Embedded Images

This example sends an HTML email with embedded images. Other examples exist for:

  • Sending plain-text email.
  • Sending email with attachments.
  • 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 PureBasic Module Download

Chilkat PureBasic Module

IncludeFile "CkBinData.pb"
IncludeFile "CkHttp.pb"
IncludeFile "CkStringBuilder.pb"
IncludeFile "CkJsonObject.pb"
IncludeFile "CkHttpResponse.pb"

Procedure ChilkatExample()

    ; 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.i = CkHttp::ckCreate()
    If http.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    ; 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::setCkAuthToken(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.)
    ; 

    ; This example will send HTML email containing the following HTML body.
    ; After the 

    ; 	<html>
    ; 	<head>
    ; 	<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    ; 	<meta content="text/html; charset=utf-8">
    ; 	</head>
    ; 	<body bgcolor="#FFFFFF">
    ; 	<font face="Calibri">This is a test <b>HTML email with embedded images</b>.<br>
    ; 	<br>
    ; 	<img alt="" src="cid:starfish"><br>
    ; 	<img alt="" src="cid:hedgehogs"><br>
    ; 	</font>
    ; 	</body>
    ; 	</html>

    ; Build the HTML body...
    bCrlf.i = 1
    sbHtmlBody.i = CkStringBuilder::ckCreate()
    If sbHtmlBody.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkStringBuilder::ckAppendLine(sbHtmlBody,"<html>",bCrlf)
    CkStringBuilder::ckAppendLine(sbHtmlBody,"<head>",bCrlf)
    CkStringBuilder::ckAppendLine(sbHtmlBody,"<meta http-equiv=" + Chr(34) + "Content-Type" + Chr(34) + " content=" + Chr(34) + "text/html; charset=utf-8" + Chr(34) + ">",bCrlf)
    CkStringBuilder::ckAppendLine(sbHtmlBody,"<meta content=" + Chr(34) + "text/html; charset=utf-8" + Chr(34) + ">",bCrlf)
    CkStringBuilder::ckAppendLine(sbHtmlBody,"</head>",bCrlf)
    CkStringBuilder::ckAppendLine(sbHtmlBody,"<body bgcolor=" + Chr(34) + "#FFFFFF" + Chr(34) + ">",bCrlf)
    CkStringBuilder::ckAppendLine(sbHtmlBody,"<font face=" + Chr(34) + "Calibri" + Chr(34) + ">This is a test <b>HTML email with embedded images</b>.<br>",bCrlf)
    CkStringBuilder::ckAppendLine(sbHtmlBody,"<br>",bCrlf)
    CkStringBuilder::ckAppendLine(sbHtmlBody,"<img alt=" + Chr(34) + Chr(34) + " src=" + Chr(34) + "cid:starfish" + Chr(34) + "><br>",bCrlf)
    CkStringBuilder::ckAppendLine(sbHtmlBody,"<img alt=" + Chr(34) + Chr(34) + " src=" + Chr(34) + "cid:hedgehogs" + Chr(34) + "><br>",bCrlf)
    CkStringBuilder::ckAppendLine(sbHtmlBody,"</font>",bCrlf)
    CkStringBuilder::ckAppendLine(sbHtmlBody,"</body>",bCrlf)
    CkStringBuilder::ckAppendLine(sbHtmlBody,"</html>",bCrlf)

    ; Load the image files.
    jpgStarfish.i = CkBinData::ckCreate()
    If jpgStarfish.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkBinData::ckLoadFile(jpgStarfish,"qa_data/jpg/starfish.jpg")
    jpgHedgeHogs.i = CkBinData::ckCreate()
    If jpgHedgeHogs.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkBinData::ckLoadFile(jpgHedgeHogs,"qa_data/jpg/hedgehogs.jpg")

    ; The body of the POST request contains JSON that specifies the email subject, body,
    ; recipients, etc.  This example will build the following JSON HTML email:
    ; 

    ; 	{
    ; 	  "message": {
    ; 	    "subject": "Sample HTML Email with Embedded Images",
    ; 	    "body": {
    ; 	      "contentType": "html",
    ; 	      "content": "The HTML body goes here..."
    ; 	    },
    ; 	    "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": "starfish.jpg",
    ; 	         "contentType": "image/jpeg",
    ; 	         "size": 6497,
    ; 	         "isInline": true,
    ; 	         "contentId": "starfish",
    ; 	         "contentLocation": null,
    ; 	         "contentBytes": "base64_data_here"
    ; 	       },
    ; 	       {
    ; 	         "@odata.type": "#microsoft.graph.fileAttachment",
    ; 	         "name": "hedgehogs.jpg",
    ; 	         "contentType": "image/jpeg",
    ; 	         "size": 48845,
    ; 	         "isInline": true,
    ; 	         "contentId": "hedgehogs",
    ; 	         "contentLocation": null,
    ; 	         "contentBytes": "base64_data_here"
    ; 	       }
    ; 	    ]
    ; 	  },
    ; 	  "saveToSentItems": true
    ; 	}
    ; 
    ; Build the above JSON.
    json.i = CkJsonObject::ckCreate()
    If json.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkJsonObject::ckUpdateString(json,"message.subject","Sample HTML Email with Embedded Images")
    CkJsonObject::ckUpdateString(json,"message.body.contentType","html")
    CkJsonObject::ckUpdateString(json,"message.body.content",CkStringBuilder::ckGetAsString(sbHtmlBody))

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

    CkJsonObject::ckUpdateString(json,"message.attachments[0]." + Chr(34) + "@odata.type" + Chr(34),"#microsoft.graph.fileAttachment")
    CkJsonObject::ckUpdateString(json,"message.attachments[0].name","starfish.jpg")
    CkJsonObject::ckUpdateString(json,"message.attachments[0].contentType","image/jpeg")
    CkJsonObject::ckUpdateInt(json,"message.attachments[0].size",CkBinData::ckNumBytes(jpgStarfish))
    CkJsonObject::ckUpdateBool(json,"message.attachments[0].isInline",1)
    ; This contentId must match the "cid:" in the HTML
    CkJsonObject::ckUpdateString(json,"message.attachments[0].contentId","starfish")
    CkJsonObject::ckUpdateNull(json,"message.attachments[0].contentLocation")
    CkJsonObject::ckUpdateBd(json,"message.attachments[0].contentBytes","base64",jpgStarfish)

    CkJsonObject::ckUpdateString(json,"message.attachments[1]." + Chr(34) + "@odata.type" + Chr(34),"#microsoft.graph.fileAttachment")
    CkJsonObject::ckUpdateString(json,"message.attachments[1].name","hedgehogs.jpg")
    CkJsonObject::ckUpdateString(json,"message.attachments[1].contentType","image/jpeg")
    CkJsonObject::ckUpdateInt(json,"message.attachments[1].size",CkBinData::ckNumBytes(jpgHedgeHogs))
    CkJsonObject::ckUpdateBool(json,"message.attachments[1].isInline",1)
    ; This contentId must match the "cid:" in the HTML
    CkJsonObject::ckUpdateString(json,"message.attachments[1].contentId","hedgehogs")
    CkJsonObject::ckUpdateNull(json,"message.attachments[1].contentLocation")
    CkJsonObject::ckUpdateBd(json,"message.attachments[1].contentBytes","base64",jpgHedgeHogs)

    CkJsonObject::ckUpdateBool(json,"saveToSentItems",1)

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

    ; Send the HTTP POST (i.e. send the HTML email)
    resp.i = CkHttp::ckPostJson3(http,"https://graph.microsoft.com/v1.0/me/sendMail","application/json",json)
    If CkHttp::ckLastMethodSuccess(http) <> 1
        Debug CkHttp::ckLastErrorText(http)
        CkHttp::ckDispose(http)
        CkStringBuilder::ckDispose(sbHtmlBody)
        CkBinData::ckDispose(jpgStarfish)
        CkBinData::ckDispose(jpgHedgeHogs)
        CkJsonObject::ckDispose(json)
        ProcedureReturn
    EndIf

    ; 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::ckStatusCode(resp) <> 202
        CkJsonObject::ckLoad(json,CkHttpResponse::ckBodyStr(resp))
        CkJsonObject::setCkEmitCompact(json, 0)
        Debug CkJsonObject::ckEmit(json)
        Debug "Failed, response status code = " + Str(CkHttpResponse::ckStatusCode(resp))
    Else
        Debug "Outlook HTML Mail Sent."
    EndIf

    CkHttpResponse::ckDispose(resp)



    CkHttp::ckDispose(http)
    CkStringBuilder::ckDispose(sbHtmlBody)
    CkBinData::ckDispose(jpgStarfish)
    CkBinData::ckDispose(jpgHedgeHogs)
    CkJsonObject::ckDispose(json)


    ProcedureReturn
EndProcedure

 

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