• Events for send/receive progress monitoring.
• SMTP client for sending email.
• POP3 client for reading email.
• Works with Exchange Server (all versions)
• Works with all POP3 / SMTP servers
• 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
• Explicit control over SMTP and POP3 sessions.
• SOCKS4, SOCKS5 proxy support for both POP3 and SMTP.
• HTTP proxy support for POP3 and SMTP

A 1-Developer Bundle, which includes licenses for all components and libraries offered by Chilkat, can be purchased for $289