/// <summary>
/// 获得 MailMessage 对象
/// </summary>
private static MailMessage GetMailMessage(SmtpInformation info)
{
var msg = new MailMessage();
info.ToAddresses
.Where(addr => !addr.IsNullOrEmpty())
.Select(addr => addr.ToLower())
.Distinct()
.ForEach(addr => msg.To.Add(addr));
info.CcAddresses
.Where(addr => !addr.IsNullOrEmpty())
.Select(addr => addr.ToLower())
.Distinct()
.ForEach(addr => msg.CC.Add(addr));
msg.From = new MailAddress(info.FromAddress, info.FromDisplayName, Encoding.UTF8);//发件人地址（可以随便写），发件人姓名，编码
msg.Subject = info.Subject;
msg.SubjectEncoding = Encoding.UTF8;
msg.Body = info.Body;
msg.BodyEncoding = Encoding.UTF8;
msg.IsBodyHtml = true;
msg.Priority = MailPriority.Normal;
info.Attachments.ForEach(item => msg.Attachments.Add(item));
return(msg);
}
/// <summary>
/// 异步发送
/// </summary>
/// <param name="info"></param>
public static void SendMailAsync(SmtpInformation info)
{
var msg = GetMailMessage(info);
var client = new SmtpClient();
client.Host = info.Server;
if (!string.IsNullOrEmpty(info.Username))
{
client.Credentials = new NetworkCredential(info.Username, info.Password);
}
client.SendAsync(msg, msg);
}