|What version of Outlook are you using? |
How are you connected to the mail server? (Exchange, POP3, IMAP)
When you say it disappears, does it go to your deleted items bin or does the message just get closed from the screen?
IT Desktop & Network Consultant - MOS Master Certified, MCP, MCSA, MCITP - Windows 7, CCNA Certificate Pending, A+, Network +