.net SMTP发送Email实例(可带附件)

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 = "[e-mail]";
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, "[e-mail]");
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);