Menu
Use F10 or alt+v to make a menu appear and in that menu go to View|Toolbars and tick the checkboxes. Now you have a menu with a View option, you can use it to display attachments inline, and also to view messages in "original html".
While composing a message or reply, tap the attachment paperclip icon (📎) at the top of the Gmail app and select "Attach file" from the menu that appears. Select the photo that you want to send from a local folder on your phone. This photo is sent inline.
Position your cursor where you want the image in your message. In the ribbon, select Insert > Pictures. Browse your computer or online file locations for the picture you want to insert. Select the picture, then select Insert.
Some minimal c# code to embed an image, can be:
MailMessage mailWithImg = GetMailWithImg();
MySMTPClient.Send(mailWithImg); //* Set up your SMTPClient before!
private MailMessage GetMailWithImg() {
MailMessage mail = new MailMessage();
mail.IsBodyHtml = true;
mail.AlternateViews.Add(GetEmbeddedImage("c:/image.png"));
mail.From = new MailAddress("yourAddress@yourDomain");
mail.To.Add("recipient@hisDomain");
mail.Subject = "yourSubject";
return mail;
}
private AlternateView GetEmbeddedImage(String filePath) {
LinkedResource res = new LinkedResource(filePath);
res.ContentId = Guid.NewGuid().ToString();
string htmlBody = @"<img src='cid:" + res.ContentId + @"'/>";
AlternateView alternateView = AlternateView.CreateAlternateViewFromString(htmlBody, null, MediaTypeNames.Text.Html);
alternateView.LinkedResources.Add(res);
return alternateView;
}
Try this
string htmlBody = "<html><body><h1>Picture</h1><br><img src=\"cid:filename\"></body></html>";
AlternateView avHtml = AlternateView.CreateAlternateViewFromString
(htmlBody, null, MediaTypeNames.Text.Html);
LinkedResource inline = new LinkedResource("filename.jpg", MediaTypeNames.Image.Jpeg);
inline.ContentId = Guid.NewGuid().ToString();
avHtml.LinkedResources.Add(inline);
MailMessage mail = new MailMessage();
mail.AlternateViews.Add(avHtml);
Attachment att = new Attachment(filePath);
att.ContentDisposition.Inline = true;
mail.From = from_email;
mail.To.Add(data.email);
mail.Subject = "Client: " + data.client_id + " Has Sent You A Screenshot";
mail.Body = String.Format(
"<h3>Client: " + data.client_id + " Has Sent You A Screenshot</h3>" +
@"<img src=""cid:{0}"" />", att.ContentId);
mail.IsBodyHtml = true;
mail.Attachments.Add(att);
protected void Page_Load(object sender, EventArgs e)
{
string Themessage = @"<html>
<body>
<table width=""100%"">
<tr>
<td style=""font-style:arial; color:maroon; font-weight:bold"">
Hi! <br>
<img src=cid:myImageID>
</td>
</tr>
</table>
</body>
</html>";
sendHtmlEmail("[email protected]", "tomailaccount", Themessage, "Scoutfoto", "Test HTML Email", "smtp.gmail.com", 25);
}
protected void sendHtmlEmail(string from_Email, string to_Email, string body, string from_Name, string Subject, string SMTP_IP, Int32 SMTP_Server_Port)
{
//create an instance of new mail message
MailMessage mail = new MailMessage();
//set the HTML format to true
mail.IsBodyHtml = true;
//create Alrternative HTML view
AlternateView htmlView = AlternateView.CreateAlternateViewFromString(body, null, "text/html");
//Add Image
LinkedResource theEmailImage = new LinkedResource("E:\\IMG_3332.jpg");
theEmailImage.ContentId = "myImageID";
//Add the Image to the Alternate view
htmlView.LinkedResources.Add(theEmailImage);
//Add view to the Email Message
mail.AlternateViews.Add(htmlView);
//set the "from email" address and specify a friendly 'from' name
mail.From = new MailAddress(from_Email, from_Name);
//set the "to" email address
mail.To.Add(to_Email);
//set the Email subject
mail.Subject = Subject;
//set the SMTP info
System.Net.NetworkCredential cred = new System.Net.NetworkCredential("[email protected]", "fromEmail password");
SmtpClient smtp = new SmtpClient("smtp.gmail.com", 587);
smtp.EnableSsl = true;
smtp.DeliveryMethod = SmtpDeliveryMethod.Network;
smtp.UseDefaultCredentials = false;
smtp.Credentials = cred;
//send the email
smtp.Send(mail);
}
In addition to the comments above, I have the following additional comments:
"cid:att-001" this does NOT work on iPhone (late 2016 patch level), rather use pure alpha numeric "cid:att-001" -> "cid:att001"
As an aside: Outlook (even Office 2015) rendering (still the clear majority for business users) requires the use of TABLE TR TD style HTML, as it does not fully support the HTML box model.
An even more minimalistic example:
var linkedResource = new LinkedResource(@"C:\Image.jpg", MediaTypeNames.Image.Jpeg);
// My mail provider would not accept an email with only an image, adding hello so that the content looks less suspicious.
var htmlBody = $"hello<img src=\"cid:{linkedResource.ContentId}\"/>";
var alternateView = AlternateView.CreateAlternateViewFromString(htmlBody, null, MediaTypeNames.Text.Html);
alternateView.LinkedResources.Add(linkedResource);
var mailMessage = new MailMessage
{
From = new MailAddress("[email protected]"),
To = { "[email protected]" },
Subject = "yourSubject",
AlternateViews = { alternateView }
};
var smtpClient = new SmtpClient();
smtpClient.Send(mailMessage);
Try This.
protected void Page_Load(object sender, EventArgs e)
{
string Themessage = @"<html>
<body>
<table width=""100%"">
<tr>
<td style=""font-style:arial; color:maroon; font-weight:bold"">
Hi! <br>
<img src=cid:myImageID>
</td>
</tr>
</table>
</body>
</html>";
sendHtmlEmail("[email protected]", "tomailaccount", Themessage, "Scoutfoto", "Test HTML Email", "smtp.gmail.com", 25);
}
protected void sendHtmlEmail(string from_Email, string to_Email, string body, string from_Name, string Subject, string SMTP_IP, Int32 SMTP_Server_Port)
{
//create an instance of new mail message
MailMessage mail = new MailMessage();
//set the HTML format to true
mail.IsBodyHtml = true;
//create Alrternative HTML view
AlternateView htmlView = AlternateView.CreateAlternateViewFromString(body, null, "text/html");
//Add Image
LinkedResource theEmailImage = new LinkedResource("E:\\IMG_3332.jpg");
theEmailImage.ContentId = "myImageID";
//Add the Image to the Alternate view
htmlView.LinkedResources.Add(theEmailImage);
//Add view to the Email Message
mail.AlternateViews.Add(htmlView);
//set the "from email" address and specify a friendly 'from' name
mail.From = new MailAddress(from_Email, from_Name);
//set the "to" email address
mail.To.Add(to_Email);
//set the Email subject
mail.Subject = Subject;
//set the SMTP info
System.Net.NetworkCredential cred = new System.Net.NetworkCredential("[email protected]", "fromEmail password");
SmtpClient smtp = new SmtpClient("smtp.gmail.com", 587);
smtp.EnableSsl = true;
smtp.DeliveryMethod = SmtpDeliveryMethod.Network;
smtp.UseDefaultCredentials = false;
smtp.Credentials = cred;
//send the email
smtp.Send(mail);
}
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