The HexValidEmail ActiveX component detects bad email addresses by performing checks at up to three different levels:
- Syntax. Includes a full parser to thoroughly check the syntax of email
addresses and break them into their constituent parts.
- DNS. Verifies that email address domains exist and can be contacted for
- SMTP. Contacts mail servers and asks them to verify recipients.
HexValidEmail uses intelligent default settings to allow easy go/no-go email tests. At
the same time, it offers behavior options and rich outputs for more sophisticated