MailBee.NET Security is a .NET-based software that provides tools to sign, verify, encrypt, and decrypt emails, as well as work with SSL/TLS certificates and connect to secure mail servers. It includes MailBee.NET SMTP/POP3/IMAP components and supports DKIM/DomainKeys and S/MIME. Additionally, it allows Windows impersonation and is FIPS 140-2 ready.

MailBee.NET Security acts as a set of helper classes designed to be used with other MailBee.NET components. DomainKeys/DKIM and SSL/TLS support is available at no additional cost, with only a corresponding MailBee.NET SMTP/POP3/IMAP license required. However, using certificates and S/MIME requires a separate MailBee.NET Security license.
Key features of MailBee.NET Security classes include SSL/TLS connections with mail servers up to TLS 1.2, connections to SSL ports, and implementation of regular ports (STARTTLS), client, and server certificates. It also supports the validation of server certificates, certificate, and certificate store management, private/PFX certificates, digital signatures, S/MIME, security algorithms, CryptoServiceProviders, and more. In addition, it supports DomainKeys anti-spam technology to create and verify DomainKeys and DKIM signatures.
MailBee.NET Security seamlessly integrates with Smtp, Pop3, Imap and MailMessage components of MailBee.NET Objects suite, and offers robust error handling features. The assembly DLL is entirely written in C# language without any external COM dependencies, and it supports .NET 2.0/3.0/3.5/4.0/4.5/4.6/4.7 (including Client Profile) and .NET Core 1.0/1.1/2.0. Furthermore, MailBee.NET Security also supports Xamarin (Mono on Linux, iOS, Android) and UWP (partially).
MailBee.NET Security provides samples for C# and VB.NET, WinForms, and ASP.NET developing platforms. It allows for royalty-free distribution. In conclusion, MailBee.NET Security classes offer advanced and reliable security features to enhance the functionality of .NET applications in managing e-mails securely.
Version 11.2: .NET Core 2.0 edition