How to send a Smtp Email in C#/Dotnet.

akashswamy

Hello there,

In this blog, we will see the topic mentioned in the title...

For the mail process, we will use some of the main packages they are...

using Microsoft.AspNetCore.Mvc; 
using MimeKit;
using MailKit.Net.Smtp; 
using Microsoft.Extensions.Options;
using Self.Models; 

After Imports, we will start creating and class with namespace as below...

namespace Self.Controllers
{
  [Route("api/[controller]")]
  [ApiController]
  public class NotifyController: IEmailService
  {
//Code Goes here...
  }

   public interface IEmailService

  {

    bool SendEmail(Mail emailData);

  }
}

After creating a Controller class we will now create a method/function in the Class as below...

    [HttpPost]
    [Route("Send_mail")]
    public bool SendEmail(Mail emailData)
  {
      try
      { 
      MimeMessage emailMessage = new MimeMessage();
      MailboxAddress emailFrom = new MailboxAddress(emailData.EmailFromName, "anymail@gmail.com");
      emailMessage.From.Add(emailFrom);
      MailboxAddress emailTo = new MailboxAddress(emailData.EmailToName, emailData.EmailToId);
      emailMessage.To.Add(emailTo);
      emailMessage.Subject = emailData.EmailSubject;
      BodyBuilder emailBodyBuilder = new BodyBuilder();
      emailBodyBuilder.TextBody = emailData.EmailBody;
      emailMessage.Body = emailBodyBuilder.ToMessageBody();
      SmtpClient emailClient = new SmtpClient();
      emailClient.Connect("smtp.gmail.com", 465, true);
      emailClient.Authenticate("anymail@gmail.com", "smtp_pwd");
      emailClient.Send(emailMessage);
      emailClient.Disconnect(true);
      emailClient.Dispose();
      return true;
    }
    catch (Exception ex)
    {
      //Log Exception Details
      return false;
    }
  }  

In the above function, we have created a function but we had an input method called Mail in the above function, It's a modal called to store the data in it and get the data...

public class Mail
{
    public string EmailFromName { get; set; }
    public string EmailToId { get; set; }
    public string EmailToName { get; set; }
    public string EmailSubject { get; set; }
    public string EmailBody { get; set; }
}

The Total Email sending code is below...

using Microsoft.AspNetCore.Mvc; 
using MimeKit;
using MailKit.Net.Smtp; 
using Microsoft.Extensions.Options;
using Self.Models;

namespace surakshaQR.Controllers
{
  [Route("api/[controller]")]
  [ApiController]

  public class NotifyController : IEmailService
  { 

    [HttpPost]
    [Route("Send_mail")]
    public bool SendEmail(Mail emailData)
  {
      try
      { 
      MimeMessage emailMessage = new MimeMessage();
      MailboxAddress emailFrom = new MailboxAddress(emailData.EmailFromName, "anymail@gmail.com");
      emailMessage.From.Add(emailFrom);
      MailboxAddress emailTo = new MailboxAddress(emailData.EmailToName, emailData.EmailToId);
      emailMessage.To.Add(emailTo);
      emailMessage.Subject = emailData.EmailSubject;
      BodyBuilder emailBodyBuilder = new BodyBuilder();
      emailBodyBuilder.TextBody = emailData.EmailBody;
      emailMessage.Body = emailBodyBuilder.ToMessageBody();
      SmtpClient emailClient = new SmtpClient();
      emailClient.Connect("smtp.gmail.com", 465, true);
      emailClient.Authenticate("anymail@gmail.com", "smtp_pwd");
      emailClient.Send(emailMessage);
      emailClient.Disconnect(true);
      emailClient.Dispose();
      return true;
    }
    catch (Exception ex)
    {
      //Log Exception Details
      return false;
    }
  }  

  }

  public interface IEmailService
  {
    bool SendEmail(Mail emailData);
  }
}

in any of the modal pages place the Mail modal function and import it into the controller page...

public class Mail
{
    public string EmailFromName { get; set; }
    public string EmailToId { get; set; }
    public string EmailToName { get; set; }
    public string EmailSubject { get; set; }
    public string EmailBody { get; set; }
}

If any issues or any doubts please have commented...

Thank you...