Seq.App.EmailPlus-Enhanced 3.1.3

.NET Standard 2.0
NuGet\Install-Package Seq.App.EmailPlus-Enhanced -Version 3.1.3
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
dotnet add package Seq.App.EmailPlus-Enhanced --version 3.1.3
<PackageReference Include="Seq.App.EmailPlus-Enhanced" Version="3.1.3" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add Seq.App.EmailPlus-Enhanced --version 3.1.3
#r "nuget: Seq.App.EmailPlus-Enhanced, 3.1.3"
#r directive can be used in F# Interactive, C# scripting and .NET Interactive. Copy this into the interactive tool or source code of the script to reference the package.
// Install Seq.App.EmailPlus-Enhanced as a Cake Addin
#addin nuget:?package=Seq.App.EmailPlus-Enhanced&version=3.1.3

// Install Seq.App.EmailPlus-Enhanced as a Cake Tool
#tool nuget:?package=Seq.App.EmailPlus-Enhanced&version=3.1.3

This is a fork of which has enhancements that have been contributed for merge to the codebase.

The changes are quite extensive and difficult to break up, so the pull request review/merge is understandably delayed.

This 'enhanced edition' allows for testing the changes while the review is pending.


  • Adds the ability to specify multiple mail hosts, as a comma-delimited string
  • Adds the ability to deliver using DNS resolution for remote mail hosts (direct delivery). This can operate as the only delivery method, or as a fallback method if all mail hosts are unavailable
  • Email send results are logged with structured properties to allow monitoring and alerting
  • Fine-grained control over MailKit SSL/TLS options via drop down list (None, Auto, SslOnConnect, StartTls, StartTlsWhenAvailable)
  • Specify email priority (High, Normal, Low)
  • Optionally map email priority to a property from the log/alert initiating the email - eg. If @Level is Error, Priority is High
  • Add CC, BCC, and ReplyTo fields with Handlebars template
  • Add optional plain text alternate body template

The code for this release is at

Product Versions
.NET net5.0 net5.0-windows net6.0 net6.0-android net6.0-ios net6.0-maccatalyst net6.0-macos net6.0-tvos net6.0-windows
.NET Core netcoreapp2.0 netcoreapp2.1 netcoreapp2.2 netcoreapp3.0 netcoreapp3.1
.NET Standard netstandard2.0 netstandard2.1
.NET Framework net461 net462 net463 net47 net471 net472 net48
MonoAndroid monoandroid
MonoMac monomac
MonoTouch monotouch
Tizen tizen40 tizen60
Xamarin.iOS xamarinios
Xamarin.Mac xamarinmac
Xamarin.TVOS xamarintvos
Xamarin.WatchOS xamarinwatchos
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Version Downloads Last updated
3.1.3 73 8/14/2022
3.1.2 113 5/19/2022
3.1.0 144 2/20/2022

* Incorporates enhancements for delivery, envelopes (including cc/bcc/replyto), and added logging
* Updated dependencies