public MimeConstructor()
{
m_pHeader = new HeaderFieldCollection();
m_pHeader.Add("From:","");
m_pHeader.Add("To:","");
m_pHeader.Add("Subject:","");
m_pHeader.Add("Date:",DateTime.Now.ToUniversalTime().ToString("r",System.Globalization.DateTimeFormatInfo.InvariantInfo));
m_pHeader.Add("Message-ID:","<" + Guid.NewGuid().ToString().Replace("-","") + "@" + System.Net.Dns.GetHostName() + ">");
m_pHeader.Add("MIME-Version:","1.0");
m_pAttachments = new Attachments();
m_CharSet = "utf-8";
}