Top 20 NuGet email Packages

Common code for Cake build addins that send emails.
Using VerifyEmailAddress method can check if the email box exists on Microsoft of Google servers before you send email to. It very useful if you would like to reduce email sending bounce rate.
A library for instantiating serializable MailMessage objects.
Neo Systems .NET libraries
Use this package to send EmailCommand messages to the EaiGuy.Email.Sender endpoint.
Use this package to send SMTP emails. This package includes configurations for writing emails to files and disabling sending emails in development and test environments.
Use Razor to build your templates from files / EmbeddedResources outside of ASP.NET MVC for .NET Core. Note: This is a fork of RazorLight. Visit https://github.com/toddams/RazorLight for the original package.
Use Razor to build your templates from strings / files / EmbeddedResources outside of ASP.NET MVC for .NET Core
Package Description
Helpers for email by DioLive Studio
Adds Azure service bus queue messages for emails to be sent via maxica.MailMan
Render razor views as a string
Send Email,SMS and make instant calls
A nuget package containing: Emailer, Common Document Generator, An Http Form and File Uploader, Java Script (Angular/JQuery), String Validator (Phone, Email, International Phone, Number, ect.) in Constant Time, XSS and Xml String Manipulator, and a Symmetric Key Base 64 Encryptor and Decryptor.
An ASP.NET Core service that uses razor views to send emails.
A plugin for DoubleTap.Email to enable razor templates in the email body.