---
title: "Codeunit 3031 DotNet_SmtpMessage"
author: "Jonas Paprotka"
url: https://jonas-paprotka.de/ref/codeunit/3031-dotnet-smtpmessage/
type: codeunit
id: 3031
name: "DotNet_SmtpMessage"
app: "Base Application"
versions: "17-19"
build: 19.5.36567.56815
obsolete: "Pending 17.0"
checked: 2026-09-20
subject: "Microsoft Dynamics 365 Business Central"
license: "Content © 2026 Jonas Paprotka. Quote freely with attribution and a link."
---

# Codeunit 3031 DotNet_SmtpMessage

Jonas Paprotka, https://jonas-paprotka.de/ref/codeunit/3031-dotnet-smtpmessage/

| | |
| --- | --- |
| App | Base Application |
| Versions | 17-19 |
| Obsolete | Pending 17.0, seen from 17. Replaced with "Email Message" codeunit from "System Application". |
| Source file | DotNet Wrappers/DotNetSmtpMessage.Codeunit.al |

## Procedures

| Name | Parameters | Returns | Access | Versions | Obsolete | Reason |
| --- | --- | --- | --- | --- | --- | --- |
| CreateMessage | () | - | public | 17-19 | - | - |
| SetFromAddress | (Text) | - | public | 17-19 | - | - |
| SetFromName | (Text) | - | public | 17-19 | - | - |
| SetToAddress | (Text) | - | public | 17-19 | - | - |
| SetSubject | (Text) | - | public | 17-19 | - | - |
| SetAsHtmlFormatted | (Boolean) | - | public | 17-19 | - | - |
| SetTimeout | (Integer) | - | public | 17-19 | - | - |
| ClearBody | () | - | public | 17-19 | - | - |
| AppendToBody | (Text) | - | public | 17-19 | - | - |
| AddRecipients | (Text) | - | public | 17-19 | - | - |
| AddCC | (Text) | - | public | 17-19 | - | - |
| AddBCC | (Text) | - | public | 17-19 | - | - |
| AddAttachment | (InStream, Text) | - | public | 17-19 | - | - |
| SendMail | (Text, Integer, Boolean, Text, Text, Boolean) | Text | public | 17-19 | - | - |
| ConvertBase64ImagesToContentId | () | Boolean | public | 17-19 | - | - |
| GetSmtpMessage | (var DotNet SmtpMessage) | - | public | 17-19 | - | - |
| SetSmtpMessage | (DotNet SmtpMessage) | - | public | 17-19 | - | - |

## Source

Symbols: Microsoft.BaseApplication.symbols.437dbf0e-84ff-417a-965d-ed2bb9650972, https://dynamicssmb2.pkgs.visualstudio.com/DynamicsBCPublicFeeds/_packaging/MSSymbols/nuget/v3/index.json, highest build per major on 2026-09-20.

Jonas Paprotka, 2026-09-20.