Send Word Document as Email using C#

create-email-from-word-doc.cs

// Set position to 0
mhtmlStream.Position = 0;

// Create email message from MHTML
MailMessage message = MailMessage.Load(mhtmlStream, new MhtmlLoadOptions());

// Set email fields
message.Subject = "Sending Invoice in Email";
message.From = "sender@gmail.com";
message.To = "recipient@gmail.com";

load-word-document.cs

// Load a Word document from disk
Document wordDocument = new Document("Word.docx");

// Save document as MHTML into memory stream
MemoryStream mhtmlStream = new MemoryStream();
wordDocument.Save(mhtmlStream, SaveFormat.Mhtml);

send-email.cs

// Send email via SMTP
SmtpClient client = new SmtpClient("smtp.gmail.com", 587, "sender@gmail.com", "pwd");
client.SecurityOptions = SecurityOptions.SSLExplicit;                
client.Send(message);

send-word-doc-as-email.cs

// Load a Word document from disk
Document wordDocument = new Document("Word.docx");

// Save document as MHTML into memory stream
MemoryStream mhtmlStream = new MemoryStream();
wordDocument.Save(mhtmlStream, SaveFormat.Mhtml);

// Set position to 0
mhtmlStream.Position = 0;

// Create email message from MHTML
MailMessage message = MailMessage.Load(mhtmlStream, new MhtmlLoadOptions());

// Set email fields
message.Subject = "Sending Invoice in Email";
message.From = "sender@gmail.com";
message.To = "recipient@gmail.com";

// Send email via SMTP
SmtpClient client = new SmtpClient("smtp.gmail.com", 587, "sender@gmail.com", "pwd");
client.SecurityOptions = SecurityOptions.SSLExplicit;                
client.Send(message);