Mail.dll Screenshot

Email component for .NET.
IMAP component, POP3 component, SMTP component in a single package with SSL support. Allows sending, receiving and processing emails in .NET framework.
Supports S/MIME for sending signed emails, signed emails validation, encryption and decryption. Provides DKIM capabilities for email validation and signing.
Written entirely in managed code in C#.
Component features:
IMAP component, POP3 component, SMTP component in a single package!
Best MIME parser on the market
SSL support
Automatic attachment encoding/decoding
S/MIME: sending signed emails, signed emails validation, encryption and decryption
DKIM emails validation and signing
iCalendar appointments support
TNEF support (decodes winmail.dat files)
Create attachments from a file or byte array
Secure login (APOP, CRAM-MD5, DIGEST-MD5 support)
Proxy support: HTTP, Socks5, Socks4, Socks4a
IDLE: push email support for IMAP servers
Template engine support
Fluent interface support for mail creation and sending
Support for displaying emails in Windows applications
2-legged OAuth and 3-legged OAuth support (including Gmail API helpers)
IMAP protocol Gmail extensions
Bounce handling
Bayesian spam filter (over 99.5% accuracy)
Build-in HTML to plain text converter