Top 9 C# Mail Projects

MailKit

24 5,934 9.4 C#

A cross-platform .NET library for IMAP, POP3, and SMTP.

Project mention: UTF8 encoding in send-mailmessage doesn't work. | /r/PowerShell | 2023-06-09

Third, Send-MailMessage has been deprecated. Try MailKit instead. To be honest, though, I'm yet to find time and test it myself.

FluentEmail

3 2,895 0.0 C#

All in one email sender for .NET. Supports popular senders (SendGrid, MailGun, etc) and Razor templates.

Project mention: Sending HTML based emails. Is there an easier way to dynamically generate the document? | /r/csharp | 2023-05-15

Surprised no one has mentioned this- https://github.com/lukencode/FluentEmail

WorkOS

workos.com sponsored

The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
MimeKit

5 1,752 9.0 C#

A .NET MIME creation and parser library with support for S/MIME, PGP, DKIM, TNEF and Unix mbox spools.
PreMailer.Net

3 641 7.8 C#

C# library that moves your stylesheets to inline style attributes, for maximum compatibility with E-mail clients.
postal

1 539 0.0 C#

Email sending for asp.net mvc using the view engine system to render emails. (by andrewdavey)
Wino-Mail

2 366 4.5 C#

Built-in Mail & Calendars app clone for Windows.
StrongGrid

0 173 8.2 C#

Strongly typed library for the entire SendGrid v3 API, including webhooks
InfluxDB

www.influxdata.com sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
MailKitSimplified

0 50 8.5 C#

Send and receive emails easily, fluently, with one line of code for each operation.
PhantomMail

1 6 0.0 C#

Simple CLI Text User Interface mail client in C# using MailKit. (work in progress, pre-alpha)

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).