sending email using “bcc” without “to” in java application

Question

I have read all the reference in stackoverflow. However, nothing matches in our goal. How can i use bcc in sendmail method in java?

Answer 1

According to the RFC for SMTP, RFC 2821 (link), it is not possible to send an email message without a To: header. (You cannot send an RCPT command without it, see section 3.3.)