1 have built a UNIX mail pre-processor for filtering SPAM
and viruses.  I want the UNIX pre-processor to talk to my
Exchange 2000 server on an alternate port so that
spammers cannot hit me on port 25 but I need port 25 open

Having issues with my endusers sending to @aol.com,
@yahoo.com recipients.  All others pass through without
any problems.
After turning up the logging levels I get the following

I have a server that is running Microsoft SBS.  Exchange
2000.  but I cannot get any mail from other organizations
that are running exchange.  I can however get mail from
other places that run Other mail servers like Merak or

Has anyone configured Exchange 2000 to send outbound mail
via a smart host?
I'm trying to configure outbound mail to go via a
messaglabs tower for virus/spam/porn scanning.

I have certficates installed on my Front End server
for SPOP and SIMAP access. I've configured the virtual
servers and they were working fine for about 3 weeks
before I had to reboot the server. Now I get an error in

I have exchange 2000 running on Windows 2000 server. My e-
mail works fine in all cases except when I try and send to
a juno account. I receive an smtp error. The error message
does not go into any more detail than that. Can you help?

I have 2 exchange 2000 boxes in a front-end, back-end configuration. the
front-end part is sitting in a DMZ. the problem is that the virtual SMTP
server on this box tends to fail with nothing found in the event viewer. I
have to restart the SMTP service and force a connection in the ...

When sender adds an attachment larger than 1 MB they
receive an error:
552 Too much mail data.
I've checked all configurations, and our limitations for

I have just finished talking with PSS...they have walked me through enabling
RPC over HTTP...what are your thoughts?

Every time I reboot my Exchange system, the Exchange Virtual Server
won't automatically restart.
-Nick

Exchange 2000 on W2K.
We have had problems with users telneting to our exchange server and
sending spoofed messages to our internal users. Is it any way to stop them??
Please HELP!

I am looking for a way to block specific types of
attachments.  I have dumb users that do not listen. Does
anyone know where this would be done in system manager (or
anywhere)

I currently have a bridgehead server (Exchange 2000, SP3)
which is the focal point for all incoming internet email.
It accepts the mail and routes it to the appropriate
mailbox server (also Exchange 2000, SP3). What I would

http protocol won't start
I get the following event viewer message when trying to start it;
Event Type:    Error
Event Source:    Service Control Manager

i have a strange problem for the last three days,
all my pop3 users can't sent e-mail out of my
organization, they all get an error:
550 5.7.1 Unable to relay for user@domain.dom