DotNetAngular/src/Application/Services/EmailService.cs

using Application.Interfaces;
using Application.Models;
using MailKit.Net.Smtp;
using Microsoft.Extensions.Configuration;
using MimeKit;
using MimeKit.Text;

namespace Application.Services;

public class EmailService(IConfiguration config, Func<ISmtpClient>? smtpClientFactory)
    : IEmailService
{
    private readonly Func<ISmtpClient> _smtpClientFactory = smtpClientFactory ?? (() => new SmtpClient());

    public EmailService(IConfiguration config) : this(config, null)
    {
    }

    public void SendEmailAsync(EmailRequest emailRequest)
    {
        var emailMessage = new MimeMessage();
        var from = config["EmailSettings:From"];
        emailMessage.From.Add(new MailboxAddress("RssReader", from));
        emailMessage.To.Add(new MailboxAddress(emailRequest.To, emailRequest.To));
        emailMessage.Subject = emailRequest.Subject;
        emailMessage.Body = new TextPart(TextFormat.Html)
        {
            Text = string.Format(emailRequest.Content)
        };

        var client = _smtpClientFactory();
        try
        {
            client.Connect(config["EmailSettings:SmtpServer"], 465, true);
            client.Authenticate(config["EmailSettings:From"], config["EmailSettings:Password"]);
            client.Send(emailMessage);
        }
        catch (Exception e)
        {
            Console.WriteLine(e);
            throw;
        }
        finally
        {
            client.Disconnect(true);
            client.Dispose();
        }
    }
}