private Mail_Message Create_PlainText_Html_Attachment_Image(Dictionary <string, string> tomails, Dictionary <string, string> ccmails, string mailFrom, string mailFromDisplay,
string subject, string body, Dictionary <string, string> attachments, string notifyEmail = "", string plaintTextTips = "", bool checkspmail = false)
{
Mail_Message msg = new Mail_Message();
msg.MimeVersion = "1.0";
msg.MessageID = MIME_Utils.CreateMessageID();
msg.Date = DateTime.Now;
msg.Subject = subject;
msg.From = new Mail_t_MailboxList();
msg.From.Add(new Mail_t_Mailbox(mailFromDisplay, mailFrom));
msg.To = new Mail_t_AddressList();
foreach (string address in tomails.Keys)
{
string displayName = tomails[address];
msg.To.Add(new Mail_t_Mailbox(displayName, address));
}
msg.Cc = new Mail_t_AddressList();
foreach (string address in ccmails.Keys)
{
string displayName = ccmails[address];
msg.Cc.Add(new Mail_t_Mailbox(displayName, address));
}
if (!string.IsNullOrEmpty(notifyEmail))
{
msg.DispositionNotificationTo.Add(new Mail_t_Mailbox(notifyEmail, notifyEmail));
}
#region MyRegion
MIME_h_ContentType contentType_multipartMixed = new MIME_h_ContentType(MIME_MediaTypes.Multipart.mixed);
contentType_multipartMixed.Param_Boundary = Guid.NewGuid().ToString().Replace('-', '.');
MIME_b_MultipartMixed multipartMixed = new MIME_b_MultipartMixed(contentType_multipartMixed);
msg.Body = multipartMixed;
MIME_Entity entity_multipartAlternative = new MIME_Entity();
MIME_h_ContentType contentType_multipartAlternative = new MIME_h_ContentType(MIME_MediaTypes.Multipart.alternative);
contentType_multipartAlternative.Param_Boundary = Guid.NewGuid().ToString().Replace('-', '.');
MIME_b_MultipartAlternative multipartAlternative = new MIME_b_MultipartAlternative(contentType_multipartAlternative);
entity_multipartAlternative.Body = multipartAlternative;
multipartMixed.BodyParts.Add(entity_multipartAlternative);
MIME_Entity entity_text_plain = new MIME_Entity();
MIME_b_Text text_plain = new MIME_b_Text(MIME_MediaTypes.Text.plain);
entity_text_plain.Body = text_plain;
string plainTextBody = "如果你邮件客户端不支持HTML格式，或者你切换到“普通文本”视图，将看到此内容";
if (!string.IsNullOrEmpty(plaintTextTips))
{
plainTextBody = plaintTextTips;
}
text_plain.SetText(MIME_TransferEncodings.QuotedPrintable, Encoding.UTF8, plainTextBody);
multipartAlternative.BodyParts.Add(entity_text_plain);
string htmlText = body;
MIME_Entity entity_text_html = new MIME_Entity();
MIME_b_Text text_html = new MIME_b_Text(MIME_MediaTypes.Text.html);
entity_text_html.Body = text_html;
text_html.SetText(MIME_TransferEncodings.QuotedPrintable, Encoding.UTF8, htmlText);
multipartAlternative.BodyParts.Add(entity_text_html);
var i = 1;
foreach (string attach in attachments.Keys)
{
string filename = string.Empty;
FileInfo fino = new FileInfo(attach);
if (mAttRename)
{
filename = mAttachmentName + i.ToString() + fino.Extension;
}
else
{
if (!string.IsNullOrEmpty(attachments[attach]))
{
filename = attachments[attach];
}
else
{
filename = fino.Name;
}
}
if (filename.Length > 30)
{
FileInfo aainfo = new FileInfo(filename);
filename = filename.Substring(0, 15) + "_略" + aainfo.Extension;
}
filename = MimeUtils.EncodeWord(filename);
using (var fs = File.OpenRead(attach))
{
var ate = Mail_Message.CreateAttachment(fs, filename);
multipartAlternative.BodyParts.Add(ate);
fs.Close();
}
}
#endregion
return(msg);
}