ello
i have the exact same problem
this is a log from the mail server:
"SMTPD" 2200 2064 "2008-10-30 19.614" "127.0.0.1" "SENT: 220 mail.*****.com ESMTP"
"SMTPD" 2200 2064 "2008-10-30 19.614" "127.0.0.1" "RECEIVED: HELO neidev"
"SMTPD" 2200 2064 "2008-10-30 19.614" "127.0.0.1" "SENT: 250 Hello."
"SMTPD" 2200 2064 "2008-10-30 19.614" "127.0.0.1" "RECEIVED: MAIL FROM:<support@*****.com<support@*****.com>>"
"SMTPD" 2200 2064 "2008-10-30 19.614" "127.0.0.1" "SENT: 250 OK"
"SMTPD" 2200 2064 "2008-10-30 19.614" "127.0.0.1" "RECEIVED: RCPT TO:<neisep@*****.com>"
"SMTPD" 2200 2064 "2008-10-30 19.630" "127.0.0.1" "SENT: 250 OK"
"SMTPD" 2200 2064 "2008-10-30 19.630" "127.0.0.1" "RECEIVED: DATA"
"SMTPD" 2200 2064 "2008-10-30 19.630" "127.0.0.1" "SENT: 354 OK, send."
"SMTPD" 2200 2064 "2008-10-30 19.692" "127.0.0.1" "SENT: 250 Queued (0.000 seconds)"
"SMTPD" 2200 2064 "2008-10-30 19.692" "127.0.0.1" "RECEIVED: QUIT"
"SMTPD" 2200 2064 "2008-10-30 19.692" "127.0.0.1" "SENT: 221 goodbye"
"TCPIP" 2200 "2008-10-30 19.692" "Disconnecting socket 1864 for session 2064"
"APPLICATION" 2108 "2008-10-30 19.723" "SMTPDeliverer - Message 9726: Delivering message from support@*****.com<support@*****.com to neisep@*****.com. File: C:\hMailServer\Data\{80455ABD-E04D-422E-880D-70EE34FFD461}.eml"
"APPLICATION" 2108 "2008-10-30 19.723" "SMTPDeliverer - Message 9726: Relaying to host mail1.*****.se."
"SMTPC" 2200 2065 "2008-10-30 19.770" "*****" "RECEIVED: 220 ch-*****.*****.*****.net ESMTP Exim 4.68 Thu, 30 Oct 2008 19 +0100"
"SMTPC" 2200 2065 "2008-10-30 19.770" "*****" "SENT: HELO mail.*****.com"
"SMTPC" 2200 2065 "2008-10-30 19.801" "*****" "RECEIVED: 250 ch-*****.*****.*****.net Hello *****.*****.*****.se "
"SMTPC" 2200 2065 "2008-10-30 19.801" "*****" "SENT: MAIL FROM:<support@*****.com<support@*****.com>"
"SMTPC" 2200 2065 "2008-10-30 19.817" "*****" "RECEIVED: 501 <support@*****.com<support@*****.com>: malformed address: <support@*****.com> may not follow <support@*****.com"
"SMTPC" 2200 2065 "2008-10-30 19.817" "*****" "SENT: QUIT"
"SMTPC" 2200 2065 "2008-10-30 19.833" "*****" "RECEIVED: 221 *****-*****.*****.*****.net closing connection"
"TCPIP" 2200 "2008-10-30 19.833" "Disconnecting socket 1572 for session 2065"
"APPLICATION" 2104 "2008-10-30 19.895" "SMTPDeliverer - Message 9725: Message delivery thread completed."
"APPLICATION" 2108 "2008-10-30 19.973" "SMTPDeliverer - Message 9726: Message delivery thread completed."
"SMTPD" 2200 2063 "2008-10-30 19.442" "*****" "RECEIVED: QUIT"
"SMTPD" 2200 2063 "2008-10-30 19.442" "*****" "SENT: 221 goodbye"
"TCPIP" 2200 "2008-10-30 19.442" "Disconnecting socket 1628 for session 2063"