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E-Mail Client

Discussion on E-Mail Client within the .NET Languages forum part of the Coders Den category.

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Old   #1
 
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Lightbulb E-Mail Client

Ich wollte mir einen kleinen E-Mail Client bauen mit dem ich nur E-Mails senden kann.


Wenn ich eine E-Mail dann senden möchte,bekomme ich folgende Fehlermeldung:
Ausnahme ausgelöst: "System.Net.Mail.SmtpException" in System.dll

Zusätzliche Informationen: Fehler beim Senden von Mail.

Hat jemand dafür ein Lösungsansatz?
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Old 08/20/2016, 14:03   #2
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Arrow C/C++ -> .NET Languages

#moved…
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Old 08/20/2016, 23:36   #3
 
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Du musst den Smtp-Server & den Port entsprechend anpassen, aber mit diesem Snippet klappts bei mir:

Code:
using System.Net;
using System.Net.Mail;
using System.Net.Security;
using System.Security.Cryptography.X509Certificates;

private void sentMail()
{
	MailMessage mail = new MailMessage();
	SmtpClient SmtpServer = new SmtpClient("smtp.gmx.com");
	mail.From = new MailAddress("*****@gmx.de");
	mail.To.Add("*****@gmx.de");
	mail.Subject = "TEST";
	mail.Body = "Test";
	SmtpServer.Port = 25;

	SmtpServer.Credentials = new System.Net.NetworkCredential("*******@gmx.de", "***************");

	SmtpServer.EnableSsl = true;
	ServicePointManager.ServerCertificateValidationCallback = delegate (object s, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors) { return true; };

	SmtpServer.Send(mail);
	Console.WriteLine("Mail sent");
}
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Old 08/21/2016, 14:16   #4
 
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Quote:
Originally Posted by EngelEatos View Post
Du musst den Smtp-Server & den Port entsprechend anpassen, aber mit diesem Snippet klappts bei mir:

Code:
using System.Net;
using System.Net.Mail;
using System.Net.Security;
using System.Security.Cryptography.X509Certificates;

private void sentMail()
{
	MailMessage mail = new MailMessage();
	SmtpClient SmtpServer = new SmtpClient("smtp.gmx.com");
	mail.From = new MailAddress("*****@gmx.de");
	mail.To.Add("*****@gmx.de");
	mail.Subject = "TEST";
	mail.Body = "Test";
	SmtpServer.Port = 25;

	SmtpServer.Credentials = new System.Net.NetworkCredential("*******@gmx.de", "***************");

	SmtpServer.EnableSsl = true;
	ServicePointManager.ServerCertificateValidationCallback = delegate (object s, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors) { return true; };

	SmtpServer.Send(mail);
	Console.WriteLine("Mail sent");
}
Ja,aber ich wollte die E-Mail Adresse nicht schon festgelegt haben, sondern das jeder in der Form seine eigene schreiben kann.
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Old 08/21/2016, 15:36   #5
 
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Quote:
Originally Posted by Chocolate&Caramel View Post
Ja,aber ich wollte die E-Mail Adresse nicht schon festgelegt haben, sondern das jeder in der Form seine eigene schreiben kann.
dann schreib doch TextBox1.Text anstatt die Email die zzt. fest eingestellt ist
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Old 08/22/2016, 09:31   #6
 
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Quote:
Originally Posted by Ludder231 View Post
dann schreib doch TextBox1.Text anstatt die Email die zzt. fest eingestellt ist
Ich sehe nicht wo die E-Mail festeingestellt sein soll.
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Old 08/22/2016, 10:57   #7
 
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Quote:
Originally Posted by Chocolate&Caramel View Post
Ich sehe nicht wo die E-Mail festeingestellt sein soll.
Dann kann ich dir auch nicht helfen. Nächstes mal lieber kein C&P
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Old 08/22/2016, 10:58   #8


 
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Quote:
Originally Posted by Chocolate&Caramel View Post
Ich sehe nicht wo die E-Mail festeingestellt sein soll.
Dann wirft mal einen genauen Blick in den Quellcode. Es springt bereits heraus...
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Old 08/23/2016, 10:03   #9
 
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Quote:
Originally Posted by Else View Post
Dann wirft mal einen genauen Blick in den Quellcode. Es springt bereits heraus...
Ist gelöst.
DeliveryMethod hat gefehlt.
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Old 08/23/2016, 21:47   #10
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#problem solved
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