Chris Chen
39 lines
1.5 KiB
C#
39 lines
1.5 KiB
C#
using MailKit.Net.Smtp;
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using MailKit.Security;
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using Microsoft.Extensions.Options;
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using MimeKit;
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namespace ROLAC.API.Services.Notifications;
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/// <summary>Sends a single email via MailKit using the configured SMTP server.</summary>
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public sealed class MailKitSmtpDispatcher : ISmtpDispatcher
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{
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private readonly SmtpOptions _options;
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public MailKitSmtpDispatcher(IOptions<SmtpOptions> options) => _options = options.Value;
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public async Task SendAsync(OutboundEmail email, CancellationToken ct = default)
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{
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var message = new MimeMessage();
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message.From.Add(new MailboxAddress(_options.FromName, _options.FromAddress));
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message.To.Add(MailboxAddress.Parse(email.ToAddress));
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message.Subject = email.Subject;
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var builder = new BodyBuilder { HtmlBody = email.HtmlBody };
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foreach (var attachment in email.Attachments)
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{
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builder.Attachments.Add(
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attachment.FileName, attachment.Content, ContentType.Parse(attachment.ContentType));
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}
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message.Body = builder.ToMessageBody();
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using var client = new SmtpClient();
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var socketOptions = _options.UseSsl ? SecureSocketOptions.StartTls : SecureSocketOptions.Auto;
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await client.ConnectAsync(_options.Host, _options.Port, socketOptions, ct);
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if (!string.IsNullOrEmpty(_options.User))
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await client.AuthenticateAsync(_options.User, _options.Password, ct);
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await client.SendAsync(message, ct);
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await client.DisconnectAsync(true, ct);
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}
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}
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