I created my org email address to send email to my user in windows form, i tried sending email to and fro to my gmail in the servers, it went well, but when i incorperated the code to my C# windows form is not working, it only load and letter pop a message "Operation Time Out"
Below is my code
try
{
// SMTP Client Configuration
SmtpClient smtpClient = new SmtpClient("mail.orag.com")
{
Port = 465,
Credentials = new NetworkCredential("[email protected]", "Testing1234@@"),
EnableSsl = false,
UseDefaultCredentials = false,
DeliveryMethod = SmtpDeliveryMethod.Network
};
MailMessage mail = new MailMessage
{
From = new MailAddress("[email protected]"),
Subject = "Test Email - NOTSPAMTAG",
Body = "This is a test email",
IsBodyHtml = false
};
mail.To.Add("[email protected]");
smtpClient.Send(mail);
MessageBox.Show("Email Sent Successfully!", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
catch (SmtpException smtpEx)
{
MessageBox.Show($"SMTP Error: {smtpEx.Message}", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
Console.WriteLine($"SMTP Error:{smtpEx.Message}");
}
catch (Exception ex)
{
MessageBox.Show($"General Error: {ex.Message}", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
Daniel WrightPosted Mar 6, 2025, 9:15 PM
Based on your provided code snippet and the issue you are encountering with the "Operation Time Out" message when trying to send emails from your C# Windows Form application, it seems like the problem might be related to the configuration of your SMTP client.
Here are a few things to consider and potentially troubleshoot:
1. SMTP Server Address:
- Double-check the SMTP server address. In your code, you have `mail.orag.com` as the SMTP server. Ensure that this is the correct SMTP server address provided by your organization.
2. Port Number:
- SMTP typically uses ports 25, 587, or 465. You are using port 465 in your code, which is commonly used for secure SMTP (SMTPS). Ensure that this port is correct and properly configured on your SMTP server.
3. Credentials:
- Ensure that the email address (`[email protected]`) and password (`Testing1234@@`) used for authentication are correct and have the necessary permissions to send emails through the SMTP server.
4. SSL/TLS Settings:
- You have `EnableSsl` set to `false` in your code. Depending on the SMTP server requirements, you might need to set this to `true` if SSL/TLS is required for secure communication.
5. Timeout Issues:
- The "Operation Time Out" message could indicate that the connection to the SMTP server is timing out. You may want to try increasing the timeout value of the `SmtpClient` to see if it resolves the issue. You can set the `Timeout` property on the `SmtpClient` object.
6. Firewall/Antivirus Interference:
- Sometimes firewalls or antivirus programs can block outgoing connections. Ensure that your Windows Firewall or any antivirus software is not blocking the connection to the SMTP server.
By investigating these aspects and potentially making adjustments to your SMTP client configuration based on the specific requirements of your SMTP server, you may be able to resolve the "Operation Time Out" issue and successfully send emails from your C# Windows Form application.
Feel free to test these suggestions and let me know if you encounter any further issues or if you need additional assistance!