RCPT TO (Receiver To): Another command follows the 250 OK reply code determining who the email is becoming sent to. Again, the SMTP server responds with the similar code, at which issue A different RCPT TO command may be sent with a unique recipient’s email handle. Test the Hyper-V https://directadmin-install00009.is-blog.com/32892849/detailed-notes-on-iredmail-installation