/// <summary> /// Constructs the message body based on the text-based bodies, the linked resources, and the attachments. /// </summary> /// <remarks> /// Combines the <see cref="Attachments"/>, <see cref="LinkedResources"/>, <see cref="TextBody"/>, /// and <see cref="HtmlBody"/> into the proper MIME structure suitable for display in many common /// mail clients. /// </remarks> /// <returns>The message body.</returns> public MimeEntity ToMessageBody () { MultipartAlternative alternative = null; MimeEntity body = null; if (!string.IsNullOrEmpty (TextBody)) { var text = new TextPart ("plain"); text.Text = TextBody; if (!string.IsNullOrEmpty (HtmlBody)) { alternative = new MultipartAlternative (); alternative.Add (text); body = alternative; } else { body = text; } } if (!string.IsNullOrEmpty (HtmlBody)) { var text = new TextPart ("html"); MimeEntity html; text.ContentId = MimeUtils.GenerateMessageId (); text.Text = HtmlBody; if (LinkedResources.Count > 0) { var related = new MultipartRelated { Root = text }; foreach (var resource in LinkedResources) related.Add (resource); html = related; } else { html = text; } if (alternative != null) alternative.Add (html); else body = html; } if (Attachments.Count > 0) { var mixed = new Multipart ("mixed"); if (body != null) mixed.Add (body); foreach (var attachment in Attachments) mixed.Add (attachment); body = mixed; } return body ?? new TextPart ("plain") { Text = string.Empty }; }
/// <summary> /// Constructs the message body based on the text-based bodies, the linked resources, and the attachments. /// </summary> /// <remarks> /// Combines the <see cref="Attachments"/>, <see cref="LinkedResources"/>, <see cref="TextBody"/>, /// and <see cref="HtmlBody"/> into the proper MIME structure suitable for display in many common /// mail clients. /// </remarks> /// <returns>The message body.</returns> public MimeEntity ToMessageBody() { MultipartAlternative alternative = null; MimeEntity body = null; if (!string.IsNullOrEmpty(TextBody)) { var text = new TextPart("plain"); text.Text = TextBody; if (!string.IsNullOrEmpty(HtmlBody)) { alternative = new MultipartAlternative(); alternative.Add(text); body = alternative; } else { body = text; } } if (!string.IsNullOrEmpty(HtmlBody)) { var text = new TextPart("html"); MimeEntity html; text.ContentId = MimeUtils.GenerateMessageId(); text.Text = HtmlBody; if (LinkedResources.Count > 0) { var related = new MultipartRelated { Root = text }; foreach (var resource in LinkedResources) { related.Add(resource); } html = related; } else { html = text; } if (alternative != null) { alternative.Add(html); } else { body = html; } } if (Attachments.Count > 0) { var mixed = new Multipart("mixed"); if (body != null) { mixed.Add(body); } foreach (var attachment in Attachments) { mixed.Add(attachment); } body = mixed; } return(body ?? new TextPart("plain") { Text = string.Empty }); }
/// <summary> /// Creates a new <see cref="MimeMessage"/> from a <see cref="System.Net.Mail.MailMessage"/>. /// </summary> /// <remarks> /// Creates a new <see cref="MimeMessage"/> from a <see cref="System.Net.Mail.MailMessage"/>. /// </remarks> /// <returns>The equivalent <see cref="MimeMessage"/>.</returns> /// <param name="message">The message.</param> /// <exception cref="System.ArgumentNullException"> /// <paramref name="message"/> is <c>null</c>. /// </exception> public static MimeMessage CreateFromMailMessage (MailMessage message) { if (message == null) throw new ArgumentNullException ("message"); var headers = new List<Header> (); foreach (var field in message.Headers.AllKeys) { foreach (var value in message.Headers.GetValues (field)) headers.Add (new Header (field, value)); } var msg = new MimeMessage (ParserOptions.Default, headers); MimeEntity body = null; // Note: If the user has already sent their MailMessage via System.Net.Mail.SmtpClient, // then the following MailMessage properties will have been merged into the Headers, so // check to make sure our MimeMessage properties are empty before adding them. if (msg.Sender == null && message.Sender != null) msg.Sender = (MailboxAddress) message.Sender; if (msg.From.Count == 0 && message.From != null) msg.From.Add ((MailboxAddress) message.From); #if NET_3_5 if (msg.ReplyTo.Count == 0 && message.ReplyTo != null) msg.ReplyTo.Add ((MailboxAddress) message.ReplyTo); #else if (msg.ReplyTo.Count == 0 && message.ReplyToList.Count > 0) msg.ReplyTo.AddRange ((InternetAddressList) message.ReplyToList); #endif if (msg.To.Count == 0 && message.To.Count > 0) msg.To.AddRange ((InternetAddressList) message.To); if (msg.Cc.Count == 0 && message.CC.Count > 0) msg.Cc.AddRange ((InternetAddressList) message.CC); if (msg.Bcc.Count == 0 && message.Bcc.Count > 0) msg.Bcc.AddRange ((InternetAddressList) message.Bcc); if (string.IsNullOrEmpty (msg.Subject)) msg.Subject = message.Subject ?? string.Empty; switch (message.Priority) { case MailPriority.Normal: msg.Headers.RemoveAll (HeaderId.XMSMailPriority); msg.Headers.RemoveAll (HeaderId.Importance); msg.Headers.RemoveAll (HeaderId.XPriority); msg.Headers.RemoveAll (HeaderId.Priority); break; case MailPriority.High: msg.Headers.Replace (HeaderId.Priority, "urgent"); msg.Headers.Replace (HeaderId.Importance, "high"); msg.Headers.Replace (HeaderId.XPriority, "2 (High)"); break; case MailPriority.Low: msg.Headers.Replace (HeaderId.Priority, "non-urgent"); msg.Headers.Replace (HeaderId.Importance, "low"); msg.Headers.Replace (HeaderId.XPriority, "4 (Low)"); break; } if (!string.IsNullOrEmpty (message.Body)) { var text = new TextPart (message.IsBodyHtml ? "html" : "plain"); text.SetText (message.BodyEncoding ?? Encoding.UTF8, message.Body); body = text; } if (message.AlternateViews.Count > 0) { var alternative = new MultipartAlternative (); if (body != null) alternative.Add (body); foreach (var view in message.AlternateViews) { var part = GetMimePart (view); if (view.BaseUri != null) part.ContentLocation = view.BaseUri; if (view.LinkedResources.Count > 0) { var type = part.ContentType.MediaType + "/" + part.ContentType.MediaSubtype; var related = new MultipartRelated (); related.ContentType.Parameters.Add ("type", type); if (view.BaseUri != null) related.ContentLocation = view.BaseUri; related.Add (part); foreach (var resource in view.LinkedResources) { part = GetMimePart (resource); if (resource.ContentLink != null) part.ContentLocation = resource.ContentLink; related.Add (part); } alternative.Add (related); } else { alternative.Add (part); } } body = alternative; } if (body == null) body = new TextPart (message.IsBodyHtml ? "html" : "plain"); if (message.Attachments.Count > 0) { var mixed = new Multipart ("mixed"); if (body != null) mixed.Add (body); foreach (var attachment in message.Attachments) mixed.Add (GetMimePart (attachment)); body = mixed; } msg.Body = body; return msg; }