Swift
Swift
Outlook Send HTML Email with Embedded Images
See more Outlook Examples
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 Swift Downloads
func chilkatTest() {
var success: Bool = 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.
let http = CkoHttp()!
// 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.authToken = "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...
var bCrlf: Bool = true
let sbHtmlBody = CkoStringBuilder()!
sbHtmlBody.appendLine(str: "<html>", crlf: bCrlf)
sbHtmlBody.appendLine(str: "<head>", crlf: bCrlf)
sbHtmlBody.appendLine(str: "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">", crlf: bCrlf)
sbHtmlBody.appendLine(str: "<meta content=\"text/html; charset=utf-8\">", crlf: bCrlf)
sbHtmlBody.appendLine(str: "</head>", crlf: bCrlf)
sbHtmlBody.appendLine(str: "<body bgcolor=\"#FFFFFF\">", crlf: bCrlf)
sbHtmlBody.appendLine(str: "<font face=\"Calibri\">This is a test <b>HTML email with embedded images</b>.<br>", crlf: bCrlf)
sbHtmlBody.appendLine(str: "<br>", crlf: bCrlf)
sbHtmlBody.appendLine(str: "<img alt=\"\" src=\"cid:starfish\"><br>", crlf: bCrlf)
sbHtmlBody.appendLine(str: "<img alt=\"\" src=\"cid:hedgehogs\"><br>", crlf: bCrlf)
sbHtmlBody.appendLine(str: "</font>", crlf: bCrlf)
sbHtmlBody.appendLine(str: "</body>", crlf: bCrlf)
sbHtmlBody.appendLine(str: "</html>", crlf: bCrlf)
// Load the image files.
let jpgStarfish = CkoBinData()!
jpgStarfish.loadFile(path: "qa_data/jpg/starfish.jpg")
let jpgHedgeHogs = CkoBinData()!
jpgHedgeHogs.loadFile(path: "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.
let json = CkoJsonObject()!
json.updateString(jsonPath: "message.subject", value: "Sample HTML Email with Embedded Images")
json.updateString(jsonPath: "message.body.contentType", value: "html")
json.updateString(jsonPath: "message.body.content", value: sbHtmlBody.getAsString())
json.updateString(jsonPath: "message.toRecipients[0].emailAddress.name", value: "Chilkat Software")
json.updateString(jsonPath: "message.toRecipients[0].emailAddress.address", value: "admin@chilkat.io")
json.updateString(jsonPath: "message.toRecipients[1].emailAddress.address", value: "chilkat.support@gmail.com")
json.updateString(jsonPath: "message.ccRecipients[0].emailAddress.name", value: "Chilkat Blog")
json.updateString(jsonPath: "message.ccRecipients[0].emailAddress.address", value: "admin@cknotes.com")
json.updateString(jsonPath: "message.attachments[0].\"@odata.type\"", value: "#microsoft.graph.fileAttachment")
json.updateString(jsonPath: "message.attachments[0].name", value: "starfish.jpg")
json.updateString(jsonPath: "message.attachments[0].contentType", value: "image/jpeg")
json.updateInt(jsonPath: "message.attachments[0].size", value: jpgStarfish.numBytes.intValue)
json.updateBool(jsonPath: "message.attachments[0].isInline", value: true)
// This contentId must match the "cid:" in the HTML
json.updateString(jsonPath: "message.attachments[0].contentId", value: "starfish")
json.updateNull(jsonPath: "message.attachments[0].contentLocation")
json.updateBd(jsonPath: "message.attachments[0].contentBytes", encoding: "base64", bd: jpgStarfish)
json.updateString(jsonPath: "message.attachments[1].\"@odata.type\"", value: "#microsoft.graph.fileAttachment")
json.updateString(jsonPath: "message.attachments[1].name", value: "hedgehogs.jpg")
json.updateString(jsonPath: "message.attachments[1].contentType", value: "image/jpeg")
json.updateInt(jsonPath: "message.attachments[1].size", value: jpgHedgeHogs.numBytes.intValue)
json.updateBool(jsonPath: "message.attachments[1].isInline", value: true)
// This contentId must match the "cid:" in the HTML
json.updateString(jsonPath: "message.attachments[1].contentId", value: "hedgehogs")
json.updateNull(jsonPath: "message.attachments[1].contentLocation")
json.updateBd(jsonPath: "message.attachments[1].contentBytes", encoding: "base64", bd: jpgHedgeHogs)
json.updateBool(jsonPath: "saveToSentItems", value: true)
// -------------------------------------------------------------
// Important: This example requires Chilkat v9.5.0.68 or greater.
// -------------------------------------------------------------
// Send the HTTP POST (i.e. send the HTML email)
let resp = CkoHttpResponse()!
success = http.httpJson(verb: "POST", url: "https://graph.microsoft.com/v1.0/me/sendMail", json: json, contentType: "application/json", response: resp)
if success == false {
print("\(http.lastErrorText!)")
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.statusCode.intValue != 202 {
json.load(json: resp.bodyStr)
json.emitCompact = false
print("\(json.emit()!)")
print("Failed, response status code = \(resp.statusCode.intValue)")
}
else {
print("Outlook HTML Mail Sent.")
}
}