Reporting-MTA: dns;domino-ce.nature.cz Original-Recipient: rfc822;xxxxxxx@xxxxxx.xx Final-Recipient: rfc822;xxxxxxx@xxxxxx.xx Action: failed Status: 5.0.0 Diagnostic-Code: X-Notes; Recipient user name ceskras (ceskras@nature. cz) not unique. Several matches found in Domino Directory.