[英]C# Send email using SMTP
例外:
邮件发送失败。
内部异常:
无法连接到远程服务器。
MailMessage mail = new MailMessage();
mail.Subject = "Your Subject";
mail.From = new MailAddress("abc@gmail.com");
mail.To.Add("xyz@yahoo.co.in");
mail.Body = "Hello! your mail content goes here...";
mail.IsBodyHtml = true;
SmtpClient smtp = new SmtpClient("smtp.gmail.com", 587);
smtp.EnableSsl = true;
NetworkCredential netCre = new NetworkCredential("abc@gmail.com", "xxx");
smtp.Credentials = netCre;
try
{
smtp.Send(mail);
}
catch (Exception ex)
{
}
我 ping smtp.gmail.com
它工作正常。
MailMessage mm = new MailMessage();
SmtpClient smtp = new SmtpClient();
mm.From = new MailAddress("From", "DisplayName", System.Text.Encoding.UTF8);
mm.To.Add(new MailAddress("To"));
mm.Subject = "Subject";
mm.Body = "Body";
mm.IsBodyHtml = true;
smtp.Host = "smtp.gmail.com";
if (ccAdd != "")
{
mm.CC.Add(ccAdd);
}
smtp.EnableSsl = true;
System.Net.NetworkCredential NetworkCred = new System.Net.NetworkCredential();
NetworkCred.UserName = "xyz@gmail.com";//gmail user name
NetworkCred.Password = "Password";// password
smtp.UseDefaultCredentials = true;
smtp.Credentials = NetworkCred;
smtp.Port = 587; //Gmail port for e-mail 465 or 587
smtp.Send(mm);
会很好的
给 windows 7 / visual studio 2019 开发人员的提示:下面的代码不适用于 .NET 4.8.03761 但适用于 .NET 4.6.1 < 08.11.2022>
它适用于 windows 10/visual studio 2022 和 .NET 4.8.04084 -> 我将文件从 windows 10 重新导入到 windows 7,然后选择重新导入环境 .NET 4.6.1!
private void btnSendEmail_Click(object sender, EventArgs e)
{
MailMessage Mail = new MailMessage();
Mail.From = new MailAddress("anyone.name@gmx.de");
Mail.To.Add("anyone_else.name@gmx.de");
Mail.Subject = "This is a test email from a C# program.";
Mail.Body = "win7_ABCDEFG----hgfgfhgfhgjjhköhökhgjhfhgfhgk\nhgjgjhgjhgj";
// Mail.Bcc.Add("otto.waalkes@gmx.de"); // choose here additionaly anyone
// Mail.CC.Add("....");
SmtpClient smtpClient = new SmtpClient("mail.gmx.net"); // also: mail.gmx.de
smtpClient.Port = 587; // 587; also: 25
smtpClient.Credentials = new NetworkCredential("anyone.name@gmx.de", "password/2022");
smtpClient.EnableSsl = true; // recomended for SSL encryption with 465 -> doesn't work
// https://www.wolfgang-frank.eu/mailserver.php a long list of german mailserver
try
{
smtpClient.Send(Mail);
}
catch (Exception ex)
{
Console.Beep();
MessageBox.Show(ex.ToString());
}
}
更正:对 windows 7 / visual studio 2019 开发人员的提示:以下代码不适用于.NET 4.7.2 (Visual Studio 2019 /poject explorer / project / rigth mouse / properties / target framework),但适用于 .Net 4.6.1
此外,我必须在发件人的电子邮件浏览器中进行设置 - 这里是 anyone.name@gmx.de / 左下方 - “Einstellungen”(设置)/“POP3/IMAP Abruf”/“das Häckchen”(复选标记) X "GMX Mail über POP3 & IMAP erlauben" <18.12.2022>
电子邮件脚本由ASP.Net
//mail script
string name = TextBox1.Text;
string email = TextBox3.Text;
string feedback = TextBox5.Text;
System.Net.Mail.MailMessage message = new System.Net.Mail.MailMessage();
message.To.Add("info@globalestcon.com");
message.Subject = "Email from website";
message.From = new System.Net.Mail.MailAddress(email);
message.Body = feedback;
System.Net.Mail.SmtpClient smtp = new System.Net.Mail.SmtpClient("relay-hosting.secureserver.net");
smtp.Send(message);
TextBox1.Text = "";
TextBox2.Text = "";
Response.Write("<script>alert('Form Submitted');</script>");
希望对您有帮助。 它的工作
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