从 C# 代码发送电子邮件
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时间：2020-08-10 09:06:49 来源:igfitidea点击:
Sending email from c# code
提问by daidai
I am trying to send an e-mail from my C# code.Here is an example
我正在尝试从我的 C# 代码发送电子邮件。这是一个示例
MailMessage message = new MailMessage();
message.To.Add("[email protected]");
message.Subject = "Registration";
message.From = new System.Net.Mail.MailAddress("[email protected]");
message.Body = "OK";
SmtpClient smtp = new SmtpClient();
smtp.Host = "smtp.gmail.com";
smtp.Send(message);
But my code breaks and here is the error:
但是我的代码中断了，这是错误：
The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Must issue a STARTTLS command first. hn4sm3874638bkc.2 - gsmtp
回答by Kamil
You have to turn on encryption.
您必须打开加密。
Put this line somewhere before smtp.Send()
将此行放在之前的某个位置 smtp.Send()
smtpClient.EnableSsl = true;
