Lee, One other possibility is that the mail server connected to the wrong host, so it would be highly likely that the user would not be known. Need more info from logs and some verification on your part (telnet to the destination host), to know if this is true. This could be a DNS issue.
Daniel Donnelly ----- Original Message ----- From: "Lee Zeltzer" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Tuesday, November 23, 2004 11:26 AM Subject: [IMail Forum] Can any tell me what this error means on a bounced email? > Any one know what this means in a bounced email? > > > > Unknown user: [EMAIL PROTECTED] > > RCPT TO generated following response: > 553 5.7.1 Bad or missing RCPT domain > > > Thank you in advance > > > To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html > List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ > To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
