zabszk CSharp-SMTP-Server by: zabszk .NET 6.0 .NET Standard 2.1 2,292 total downloads last updated 12/23/2023 Latest version: 1.1.6 smtp smtp-server spf SMTP Server library for C#. zabszk.DnsClient by: zabszk .NET 6.0 .NET Standard 2.1 930 total downloads last updated 6/9/2023 Latest version: 1.0.1 dns dns-client A thread-safe DNS Client library for C#.