POP3/SMTP email .NET component for C#, VB.NET, and ASP.NET
Edit by : It is a POP3/SMTP email .NET component for C#, VB.NET, and ASP.NET.

-Events for send/receive progress monitoring.
-SMTP client for sending email.
-POP3 client for reading email.
-Supports POP3 and SMTP SSL/TLS connections.
-SMTP STARTTLS
-Supports POP3 and SMTP SSH tunneling (Port Forwarding).
-Send S/MIME signed and/or encrypted email.
-Read S/MIME signed and/or encrypted email.
-Export and import email to XML.
-Export and import email to .eml (MIME) text files.
-Zip / unzip attachments in-memory.
-Check for email on servers.
-Verify POP3 / SMTP connections and login credentials.
-Secure SMTP authentication methods suppoted.
-Add attachments from files or in-memory data.
-Set connection and read timeouts.
-Set size limits when reading email.
-Delete email on the POP3 server.
-Copy email from a POP3 server without deleting.
-Fetch email headers.
-Get UIDLs of email on a server.
-Send email using Chilkat SMTPQ for background sending.
-Download email and sort based on date, sender, recipient, or subject.
-Set a bounce email address for handling bounces.
-Automatically handles international charset encodings.
-Can use file-based distribution lists.
-Send HTML email with embedded images.
-Send MultiPart/alternative emails with both HTML and plain-text bodies.
-Access attached message/rfc822 sub-parts.
-Acess attachment data in-memory.
-Set replacement patterns for mail-merge.
-Set return receipt.
-Set priority via the X-Priority header field.
-Add custom header fields.
-Add recipients as To, CC, or BCC.
-Save attachments to disk.
-Get attachment information: filename, size, etc.
-Return text file attachment data as an in-memory string.
-Get digital certificate information for signed/encrypted email.
-Enumerate over the header fields in an email.
-Find and unobfuscate the linked domain names in an email.
-Unobfuscate HTML email.
-MX Domain Lookup you can free download Chilkat Email .NET Component 9.0.8 now.