Philiprehberger.EmailValidator 0.2.0

dotnet add package Philiprehberger.EmailValidator --version 0.2.0
                    
NuGet\Install-Package Philiprehberger.EmailValidator -Version 0.2.0
                    
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.
<PackageReference Include="Philiprehberger.EmailValidator" Version="0.2.0" />
                    
For projects that support PackageReference, copy this XML node into the project file to reference the package.
<PackageVersion Include="Philiprehberger.EmailValidator" Version="0.2.0" />
                    
Directory.Packages.props
<PackageReference Include="Philiprehberger.EmailValidator" />
                    
Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package.
paket add Philiprehberger.EmailValidator --version 0.2.0
                    
#r "nuget: Philiprehberger.EmailValidator, 0.2.0"
                    
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
#:package Philiprehberger.EmailValidator@0.2.0
                    
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package.
#addin nuget:?package=Philiprehberger.EmailValidator&version=0.2.0
                    
Install as a Cake Addin
#tool nuget:?package=Philiprehberger.EmailValidator&version=0.2.0
                    
Install as a Cake Tool

Philiprehberger.EmailValidator

CI NuGet Last updated

RFC 5321/5322 compliant email validation with typo suggestions, disposable email detection, and bulk validation.

Installation

dotnet add package Philiprehberger.EmailValidator

Usage

Quick Check

using Philiprehberger.EmailValidator;

bool valid = EmailValidator.IsValid("user@example.com");
// true

bool invalid = EmailValidator.IsValid("not-an-email");
// false

Detailed Validation

using Philiprehberger.EmailValidator;

var result = EmailValidator.Validate("user@example.com");
// result.IsValid            → true
// result.Error               → null
// result.NormalizedAddress   → "user@example.com"

var failed = EmailValidator.Validate("user@.com");
// failed.IsValid  → false
// failed.Error    → "Domain must not contain empty labels."

Internationalized Domains

using Philiprehberger.EmailValidator;

var result = EmailValidator.Validate("user@münchen.de");
// result.IsValid            → true
// result.NormalizedAddress   → "user@xn--mnchen-3ya.de"

Typo Suggestions

using Philiprehberger.EmailValidator;

var result = EmailValidator.ValidateWithSuggestion("user@gmial.com");
// result.IsValid    → true
// result.Suggestion → "user@gmail.com"

Disposable Email Detection

using Philiprehberger.EmailValidator;

bool disposable = EmailValidator.IsDisposable("user@mailinator.com");
// true

bool legit = EmailValidator.IsDisposable("user@gmail.com");
// false

Bulk Validation

using Philiprehberger.EmailValidator;

var results = EmailValidator.ValidateMany(new[] { "a@b.com", "invalid", "c@d.org" });
// results[0].IsValid → true
// results[1].IsValid → false
// results[2].IsValid → true

API

Member Returns Description
EmailValidator.IsValid(string email) bool Returns whether the email address is valid.
EmailValidator.Validate(string email) ValidationResult Returns a detailed validation result with error and normalized address.
ValidationResult.IsValid bool Whether the email address is valid.
ValidationResult.Error string? Error message if invalid, null if valid.
ValidationResult.NormalizedAddress string? Lowercased, trimmed email if valid, null if invalid.
ValidationResult.Suggestion string? Suggested corrected email if a domain typo was detected, null otherwise.
ValidationResult.IsDisposable bool Whether the email domain belongs to a known disposable email provider.
EmailValidator.ValidateWithSuggestion(string email) ValidationResult Validates and suggests a correction if the domain is a typo of a common provider.
EmailValidator.ValidateMany(IEnumerable<string> emails) IReadOnlyList<ValidationResult> Validates multiple email addresses and returns results in order.
EmailValidator.IsDisposable(string email) bool Checks whether the email domain is a known disposable provider.

Development

dotnet build src/Philiprehberger.EmailValidator.csproj --configuration Release

Support

If you find this project useful:

Star the repo

🐛 Report issues

💡 Suggest features

❤️ Sponsor development

🌐 All Open Source Projects

💻 GitHub Profile

🔗 LinkedIn Profile

License

MIT

Product Compatible and additional computed target framework versions.
.NET net8.0 is compatible.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed.  net9.0 was computed.  net9.0-android was computed.  net9.0-browser was computed.  net9.0-ios was computed.  net9.0-maccatalyst was computed.  net9.0-macos was computed.  net9.0-tvos was computed.  net9.0-windows was computed.  net10.0 was computed.  net10.0-android was computed.  net10.0-browser was computed.  net10.0-ios was computed.  net10.0-maccatalyst was computed.  net10.0-macos was computed.  net10.0-tvos was computed.  net10.0-windows was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.
  • net8.0

    • No dependencies.

NuGet packages

This package is not used by any NuGet packages.

GitHub repositories

This package is not used by any popular GitHub repositories.

Version Downloads Last Updated
0.2.0 87 4/1/2026
0.1.3 87 3/27/2026
0.1.2 84 3/23/2026
0.1.1 84 3/23/2026
0.1.0 83 3/21/2026