Top 20 NuGet email Packages

SparkPost API
Redistributable components for package 'AWSSDKCPP-SES'. This package should only be installed as a dependency. (This is not the package you are looking for).
Infrastructure project setup for building modern enterprise applications using EntityFramework or Azure Table Storage.
Allow sending email messages via SendGrid. Wrapper around SendGrid api to send email messages from any type of application. Small library for manage email with SendGrid. A quick setup for SendGrid. Wrapper library is just written for the purpose to bring a new level of ease to the ...
Quickly and easily access any REST or REST-like API using a fluent interface via method chaining and reflection.
Generate emails using Razor templates. Anything you can do in ASP.NET is possible here. Uses the RazorLight project under the hood.
Arragro provider for MailKit Email.
This library allows you to easily interact with the Reachmail API.
Use Razor to build your templates from strings / files / EmbeddedResources outside of ASP.NET MVC for .NET Core
Rebex.Mail is part of Rebex Secure Mail - a set of mail libraries that provide all you need for sending, receiving, encrypting, decrypting, signing, verifying, loading, saving and processing e-mail messages. Rebex.Mime provides a high-level MailMessage API and a low-level MIME/SMIME API. SMTP, IMAP...
Send emails via SendGrid using their REST API
Arragro provider for Sendgrid Email.
Allow sending email messages via AmazonSES. Wrapper around AmazonSES api to send email messages from any type of application. Small library for manage email with AmazonSES. A quick setup for AmazonSES. Wrapper library is just written for the purpose to bring a new level of ease to ...
The package contains email abstractions used by other CodeGator assemblies. Platforms supported: .NET 4.61 or above .NET Standard 2.0 or above
Create emails from ASP.NET MVC views Fork from https://github.com/andrewdavey/postal NetCore support https://github.com/hermanho/postal
GemBox.Email is a .NET component that enables developers to read and write email files (MSG, EML, MHTML), and compose, receive and send email messages using IMAP, POP, and SMTP from .NET applications in a simple and efficient way.
MailMergeLib is an SMTP mail client library which provides comfortable mail merge capabilities for text, inline images and attachments, as well as good throughput and fault tolerance for sending mail messages.
Classes that provide a common interface for sending email with smtp or popular email apis including SendGrid, Mailgun, and ElasticEmail
Multiple ASP.NET Core utilities, including email, configuration, access to HTTP headers, etc.
Generate emails using ASP.NET MVC views