It's installed in a server with microsoft exchange and hmail for sending
when I try to send a mail with every account configured in the server, I receive this email in return
Code: Select all
Da: firstname.lastname@example.org [mailto:email@example.com]
Inviato: martedì 13 luglio 2010 10.26
Oggetto: Undeliverable: subject of the email
Your message did not reach some or all of the intended recipients.
Sent: Tue, 13 Jul 2010 10:25:32 +0200
Subject: subject of the email
The following recipient(s) could not be reached:
"email of addresse"
Error Type: SMTP
Remote server (184.108.40.206) issued an error.
hMailServer sent: MAIL FROM:<firstname.lastname@example.org>
Remote server replied: 550 Access denied - Invalid HELO name (See RFC2821 220.127.116.11)
how can I resolve this problem?