SMTP error when i try to send Notification [Verstion 4.8]

Hi,

each time, when avast found an virus on my server (Microsoft Windows Server 2003 Service Pack 2), i get this entry in eventlog:

Ereignistyp: Fehler
Ereignisquelle: avast!
Ereigniskategorie: (8)
Ereigniskennung: 90
Datum: 14.02.2010
Zeit: 14:39:10
Benutzer: Nicht zutreffend
Computer: SERVER
Beschreibung:
SMTP server response: 500 unrecognized command .

i am confused about the fact, that i received the email. Although this entry is in the Windows Eventlog.

the file Error.log contains this entry:
14.02.2010 14:39:10 1266154750 admin 7972 SMTP server response: 500 unrecognized command .

did anyone know, where i can see an verbose logfile or why this message appear in eventlog?

thx

I too am having issues with Avast Notifications on EVERY site I have deployed in the past 3 weeks - around 12 sites.

The issue seems to relate to the UTF-Encoded Subject line from the Avast Clients … Any help would be appreciated…

here is the pattern so far :-

Avast Client sends local notify to local site Exchange 2003 server that has the Avast Exchange and SMTP connectors installed.
Exchange2003 CANNOT send to/via mail.bigpond.com - keeps getting timeout - Bigpond Support are hopeless to try and get past a silly level 1 tech telling you to restart your DSL modem
Exchange2003 CANNOT send to/via cisco ironport devices - keeps getting timeout - Cisco/Ironport have a case open here and are basically ignoring the case as they likely have no clue and I suspect it has become too hard for them - they have complete SMTP transaction dumps.
Exchange2003 CAN send to another Exchange 2003 server direct (I have used custom SMTP connectors on EACH and EVERY site to work-around this for now)

Any help would be appreciated - I am not completely sure if this is related but it seems suspiciously similar…