How Can I Send Emails via Gmail Using My .NET Application?

Leveraging Gmail for .NET Email Communication

Enhance your email outreach by integrating your Gmail account into your .NET applications. This allows for personalized communication, ideal for various purposes, from band announcements to general correspondence.

Here's how to seamlessly connect your .NET application with Gmail:

1. Employ System.Net.Mail: Use the modern System.Net.Mail namespace. The outdated System.Web.Mail presents significant SSL compatibility issues.

2. Configure the SmtpClient: Correctly configure your SmtpClient object with these settings:

   • Host: smtp.gmail.com
   • Port: 587
   • EnableSsl: true
   • DeliveryMethod: SmtpDeliveryMethod.Network
   • UseDefaultCredentials: false

3. Secure Authentication: Authenticate your Gmail account by setting the Credentials property using NetworkCredential.

4. Compose and Send: Create a MailMessage object, specifying sender, recipient, subject, and message body. Finally, use SmtpClient.Send() to transmit the email.

Important Security Notes for Google Accounts:

• 2-Step Verification (2SV): If 2SV is enabled, generate an app password specifically for your .NET application. This bypasses the 2SV prompt.

• Less Secure Apps (LSA): Enabling "Less secure app access" in your Google account settings is strongly discouraged due to significant security risks. Prioritize using app passwords if 2SV is active.

By following these steps, you can effectively send emails from your .NET applications using your Gmail account while maintaining a secure connection.

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