From 0ee6e4f96ef7087f46746dc556ff257c84c55f33 Mon Sep 17 00:00:00 2001
From: TekH <h.tek@digitaldata.works>
Date: Thu, 23 Jul 2026 12:41:53 +0200
Subject: [PATCH] fix: Register CodePagesEncodingProvider for Limilabs Mail.dll
 compatibility

- Add static constructor to register System.Text.Encoding.CodePages
- Required for windows-1252 and other extended code page support
- Fixes encoding issues with international email content
---
 .../Services/LimilabsEmailService.cs                       | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/DigitalData.EmailProfiler.Infrastructure/Services/LimilabsEmailService.cs b/src/DigitalData.EmailProfiler.Infrastructure/Services/LimilabsEmailService.cs
index 2c22ac2..8836ebc 100644
--- a/src/DigitalData.EmailProfiler.Infrastructure/Services/LimilabsEmailService.cs
+++ b/src/DigitalData.EmailProfiler.Infrastructure/Services/LimilabsEmailService.cs
@@ -1,3 +1,4 @@
+using System.Text;
 using DigitalData.EmailProfiler.Application.Common.Dtos;
 using DigitalData.EmailProfiler.Application.Common.Interfaces;
 using DigitalData.EmailProfiler.Domain.Exceptions;
@@ -19,6 +20,12 @@ public class LimilabsEmailService(
 {
     private readonly EmailAccountDto _smtpAccount = smtpConfig.Value;
 
+    // Register encoding provider for Limilabs (requires windows-1252 and other code pages)
+    static LimilabsEmailService()
+    {
+        Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
+    }
+
     public async Task SendEmailAsync(string to, string subject, string body, bool isHtml = true, CancellationToken cancellationToken = default)
     {
         using var smtp = new Smtp();