How do I send a email while using the normal smtpclient?

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I'm trying to send a mail with the MailMessage & SmtpClient class.
However it looks like it doesnt support any proxies what so ever.

I've been reading around but I cant seem to find any solutions to my issue.

I've tried changing the smtpclient so that it connects through a proxy but that doesnt work.

MailAddress from = new MailAddress("emailAdress");
MailAddress to = new MailAddress("emailAdress");

MailMessage mm = new MailMessage(from, to);
mm.Subject = "Subject";
mm.Body = "Body";

SmtpClient client = new SmtpClient("124.88.67.17", 82); //This should be smtp.gmail.com or outlook etc.
client.Credentials = new System.Net.NetworkCredential("emailAdress", "password");

client.Send(mm);
MessageBox.Show("Done!");

Is there any other ways to send a email through a proxy using the same method?

What I have tried:

I've tried playing around with the parameters but that didnt change anything.

Posted 15-Jan-17 3:18am

Johnny2121

Updated 15-Jan-17 3:25am

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Kornfeld Eliyahu Peter · Answer 1 · 2017-01-15T03:25:00

Solution 1

SmtpClient client = new SmtpClient("124.88.67.17", 82); 
client.Credentials = new System.Net.NetworkCredential("emailAdress", "password");

These two lines should refer to the proxy and not to the SMTP server...

Posted 15-Jan-17 3:25am

Kornfeld Eliyahu Peter

Comments

Johnny2121 15-Jan-17 9:46am

So an example would be?
Because the new SmtpClient("124.88.67.17", 82); is the proxy server but I'm not to sure what you mean with this line
client.Credentials = new System.Net.NetworkCredential("emailAdress", "password");
because you need to login to your email to send one.

Kornfeld Eliyahu Peter 15-Jan-17 9:50am

If you use proxy ,you have to login to the proxy, not to the email server, which is hidden from you by the proxy... So the credentials have to be one for the proxy too...

Johnny2121 15-Jan-17 10:09am

How on earth do i log into a proxy that I found on the internet?

Kornfeld Eliyahu Peter 15-Jan-17 10:12am

The idea of proxy is that you can not cross it without authentication - to keep the bad out...

Johnny2121 15-Jan-17 10:15am

So how would I actually send a message with a proxy? Seems like you cant because you need to log into the proxys erver which apparently you cant? I'm confused.

Kornfeld Eliyahu Peter 15-Jan-17 10:23am

If you can not reach the server (because of the proxy) you can not send an email - and that's by design...

Johnny2121 15-Jan-17 10:27am

So change the proxy settings in App.config?

Kornfeld Eliyahu Peter 15-Jan-17 12:16pm

That's a question I can not answer from the details you gave...
To who belongs the SMTP server? And the proxy? Why not ask them about authentication?