.net SMTP发送Email邮件且可带附件示例

 
public static void sendEmail(string toAddress, string emailbody) 
{ 
var fromAddress = ConfigurationManager.AppSettings["EmailAddress"]; 
string fromPassword = ConfigurationManager.AppSettings["EmailPassword"].ToString(); 
const string subject = "Job Recommendation"; 
var smtp = new SmtpClient 
{ 
Host = ConfigurationManager.AppSettings["SmtpServer"].ToString(), 
Port = int.Parse(ConfigurationManager.AppSettings["SmtpPort"]), 
EnableSsl = true, 
DeliveryMethod = SmtpDeliveryMethod.Network, 
UseDefaultCredentials = false, 
Credentials = new NetworkCredential(fromAddress, fromPassword) 
}; 
using (var message = new MailMessage(fromAddress, toAddress, subject, HttpUtility.HtmlEncode(emailbody))) 
{ 
smtp.Send(message); 
} 
} <add key="EmailAddress" value="**********@gmail.com"/>//Email Address 
<add key="EmailPassword" value="*********"/> //Emial PWD 
<add key="SmtpServer" value="smtp.gmail.com"/> 
<add key="SmtpPort" value="587"/> <--带附件版本-> var fromAddress = "allenyinj@gmail.com"; 
string fromPassword = "yj1989120"; 
const string subject = "CV"; 
var smtp = new SmtpClient 
{ 
Host = "smtp.gmail.com", 
Port = 587, 
EnableSsl = true, 
DeliveryMethod = SmtpDeliveryMethod.Network, 
UseDefaultCredentials = false, 
Credentials = new NetworkCredential(fromAddress, fromPassword) 
}; 
MailMessage email=new MailMessage(fromAddress, "allen.yin.jun@gmail.com"); 
email.Subject = "INLINE attachment TEST"; 
email.IsBodyHtml = true; 
string attachmentPath = "C:\\3.jpeg"; 
Attachment inline = new Attachment(attachmentPath); 
inline.ContentDisposition.Inline = true; 
inline.ContentDisposition.DispositionType = DispositionTypeNames.Inline; 
//inline.ContentId = "1"; 
//inline.ContentType.MediaType = "image/png"; 
inline.ContentType.Name = Path.GetFileName(attachmentPath); 
email.Attachments.Add(inline); 
email.Body = "test"; 
smtp.Send(email); email.Dispose(); //如果没有路径，用Stream Attachment letter = new Attachment(FileUploadLetter.FileContent, FileUploadLetter.PostedFile.ContentType); 
letter.ContentDisposition.Inline = true; 
letter.ContentDisposition.DispositionType = DispositionTypeNames.Inline; 
//inline.ContentId = "1"; 
letter.ContentType.MediaType = FileUploadLetter.PostedFile.ContentType; 
letter.ContentType.Name = Path.GetFileName(FileUploadLetter.PostedFile.FileName); 
letter.Name = Path.GetFileName(FileUploadLetter.PostedFile.FileName); //如果希望通过匿名邮件发送 则 var smtp = new SmtpClient 
{ 
Host = "serverName", 
Port = 25, //匿名发送端口 
EnableSsl = false, 
DeliveryMethod = SmtpDeliveryMethod.Network, 
UseDefaultCredentials = false, 
//Credentials = new NetworkCredential(fromAddress, fromPassword) 
}; 

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