Rebex Secure Mail

SMTP, IMAP, EWS, POP3, S/MIME .NET library

Download 30-day free trial Buy from $299

Rebex Secure Mail for .NET (30 day trial)

Version Release 2019 R3 (Latest version)

Download Windows installer (trial)

Easiest and most popular option

NuGet

1) Add NuGet reference   2) Unlock for a trial period using trial key