我有一个标准的Google Apps账号。我已经通过谷歌应用设置了一个自定义域。当我使用Gmail界面时,我可以通过Google Apps成功地发送和接收电子邮件。但是,我想通过代码发送电子邮件。为了尝试这样做,我尝试了以下代码:
MailMessage mailMessage = new MailMessage();
mailMessage.To.Add("someone@somewhere.com");
mailMessage.Subject = "Test";
mailMessage.Body = "<html><body>This is a test</body></html>";
mailMessage.IsBodyHtml = true;
// Create the credentials to login to the gmail account associated with my custom domain
string sendEmailsFrom = "emailAddress@mydomain.com";
string sendEmailsFromPassword = "password";
NetworkCredential cred = new NetworkCredential(sendEmailsFrom, sendEmailsFromPassword);
SmtpClient mailClient = new SmtpClient("smtp.gmail.com", 587);
mailClient.EnableSsl = true;
mailClient.DeliveryMethod = SmtpDeliveryMethod.Network;
mailClient.UseDefaultCredentials = false;
mailClient.Timeout = 20000;
mailClient.Credentials = cred;
mailClient.Send(mailMessage);
当达到Send方法时,会抛出一个异常,声明:
“服务器要求安全连接或客户端未经过身份验证。服务器响应为:需要5.5.1身份验证。”
如何通过Google通过自定义域发送电子邮件?
谢谢!
发布于 2009-04-16 20:50:53
不需要在代码中硬编码所有smtp设置。将它们放在web.config中。这样,您可以在需要时加密这些设置,并在不重新编译应用程序的情况下动态更改它们。
<configuration>
<system.net>
<mailSettings>
<smtp from="example@domain.com" deliveryMethod="Network">
<network host="smtp.gmail.com" port="587"
userName="example@domain.com" password="password"/>
</smtp>
</mailSettings>
</system.net>
</configuration>
当你发送邮件时,只需在你的SmtpClient上启用SSL:
var message = new MailMessage("navin@php.net");
// here is an important part:
message.From = new MailAddress("example@domain.com", "Mailer");
// it's superfluous part here since from address is defined in .config file
// in my example. But since you don't use .config file, you will need it.
var client = new SmtpClient();
client.EnableSsl = true;
client.Send(message);
请确保您发送电子邮件的电子邮件地址与您尝试在Gmail中进行身份验证的电子邮件地址相同。
注意:从.NET 4.0开始,您可以将enableSsl="true“插入到web.config中,而不是在代码中设置它。
发布于 2011-01-02 16:02:31
这是我在WPF 4中使用的
SmtpClient client = new SmtpClient();
client.Credentials = new NetworkCredential("sender_email@domain.tld", "P@$$w0rD");
client.Port = 587;
client.Host = "smtp.gmail.com";
client.EnableSsl = true;
try
{
MailAddress maFrom = new MailAddress("sender_email@domain.tld", "Sender's Name", Encoding.UTF8),
MailAddress maTo = new MailAddress("recipient_email@domain2.tld", "Recipient's Name", Encoding.UTF8);
MailMessage mmsg = new MailMessage(maFrom, maTo);
mmsg.Body = "<html><body><h1>Some HTML Text for Test as BODY</h1></body></html>";
mmsg.BodyEncoding = Encoding.UTF8;
mmsg.IsBodyHtml = true;
mmsg.Subject = "Some Other Text as Subject";
mmsg.SubjectEncoding = Encoding.UTF8;
client.Send(mmsg);
MessageBox.Show("Done");
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString(), ex.Message);
//throw;
}
注意防火墙和防病毒软件。这些可怕的东西往往会阻止应用程序发送电子邮件。我使用McAfee企业版,我必须添加可执行文件的名称(如Bazar.exe和Bazar.vshost.exe的Bazar.* )才能发送电子邮件……
发布于 2009-12-13 01:04:10
将端口更改为465
https://stackoverflow.com/questions/757987
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