isBizMail tells you whether a given email address is free (gmail.com, yahoo.es, yandex.ru etc) or not. The list of emails used by isBizMail is taken from here¹. Detects around 2500 domains and subdomains.

1. All credits for the list itself go to SpamAssasin authors and contributors

• JavaScript implementation (Vanilla / CommomJS module)
• PHP implementation (PHP 5.4.0+)

You can support us in a small way, please consider starring and sharing this repo! It helps us getting known and grow the community.

You can install IsBizMail for .NET Core 2.0+ / Framework 4.6.1+, Mono 5.4+ etc via NuGet.

You could build it from sources via:

dotnet build

IsBizMail in .NET is a static class, so can use it like this:

using Salaros.Email;

//..
{
    Console.WriteLine(IsBizMail.IsValid("[email protected]"));        // true
    Console.WriteLine(IsBizMail.IsValid("[email protected]"));    // false
}
//..

dotnet test tests