NMS ver 4.12 webmail error.

Hi!There is a problem with our webmail. When user want to replay a message he/she gets a error message. When I check the http logfile I se the message: "Network Warning: saveSmtp: RCPT TO: To: failed"Does anybody know what is the problem?Thanks!Hamid
[292 byte] By [708721] at [2007-11-25 7:12:47]
# 1
what error message user get, can he log to webmail after the error message.
709608 at 2007-6-29 17:46:40 > top of Java-index,E-Mail, Calendar, & Collaboration,Sun Java System Messaging Server...