diff --git a/API/ROLAC.API/Services/Notifications/ISmtpDispatcher.cs b/API/ROLAC.API/Services/Notifications/ISmtpDispatcher.cs
new file mode 100644
index 0000000..1cab005
--- /dev/null
+++ b/API/ROLAC.API/Services/Notifications/ISmtpDispatcher.cs
@@ -0,0 +1,14 @@
+namespace ROLAC.API.Services.Notifications;
+
+/// <summary>One outbound email envelope handed to the SMTP transport.</summary>
+public sealed record OutboundEmail(
+    string ToAddress,
+    string Subject,
+    string HtmlBody,
+    IReadOnlyList<EmailAttachment> Attachments);
+
+/// <summary>Thin seam over the actual MailKit send so EmailService stays unit-testable.</summary>
+public interface ISmtpDispatcher
+{
+    Task SendAsync(OutboundEmail email, CancellationToken ct = default);
+}
diff --git a/API/ROLAC.API/Services/Notifications/MailKitSmtpDispatcher.cs b/API/ROLAC.API/Services/Notifications/MailKitSmtpDispatcher.cs
new file mode 100644
index 0000000..b09e22c
--- /dev/null
+++ b/API/ROLAC.API/Services/Notifications/MailKitSmtpDispatcher.cs
@@ -0,0 +1,38 @@
+using MailKit.Net.Smtp;
+using MailKit.Security;
+using Microsoft.Extensions.Options;
+using MimeKit;
+
+namespace ROLAC.API.Services.Notifications;
+
+/// <summary>Sends a single email via MailKit using the configured SMTP server.</summary>
+public sealed class MailKitSmtpDispatcher : ISmtpDispatcher
+{
+    private readonly SmtpOptions _options;
+
+    public MailKitSmtpDispatcher(IOptions<SmtpOptions> options) => _options = options.Value;
+
+    public async Task SendAsync(OutboundEmail email, CancellationToken ct = default)
+    {
+        var message = new MimeMessage();
+        message.From.Add(new MailboxAddress(_options.FromName, _options.FromAddress));
+        message.To.Add(MailboxAddress.Parse(email.ToAddress));
+        message.Subject = email.Subject;
+
+        var builder = new BodyBuilder { HtmlBody = email.HtmlBody };
+        foreach (var attachment in email.Attachments)
+        {
+            builder.Attachments.Add(
+                attachment.FileName, attachment.Content, ContentType.Parse(attachment.ContentType));
+        }
+        message.Body = builder.ToMessageBody();
+
+        using var client = new SmtpClient();
+        var socketOptions = _options.UseSsl ? SecureSocketOptions.StartTls : SecureSocketOptions.Auto;
+        await client.ConnectAsync(_options.Host, _options.Port, socketOptions, ct);
+        if (!string.IsNullOrEmpty(_options.User))
+            await client.AuthenticateAsync(_options.User, _options.Password, ct);
+        await client.SendAsync(message, ct);
+        await client.DisconnectAsync(true, ct);
+    }
+}