Re: Exchange Server 6.5 pop relay

Good.

On Mon, 13 Oct 2008 01:39:01 -0700, clariongrade
<clariongrade@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:

Jim

Briliant! I have changed my settings as you suggested and the problem has
gone away.

I knew the problem I was solving was on the server as I had turned all other
machines on the network off overnight, and only investigated problems during
this period.

All my machines have Avast! anti virus sbs suite, plus Spybot, and Microsoft
anti trogan software.

With the system having all the machines on the network I have been free from
spam for 48 hours, and have applied to be de-blacklisted.

Thanks a lot
Trevor

"Jim Behning SBS MVP" wrote:

Here is what I do but I do not collect with pop. Some of the same
concepts work though.
http://msmvps.com/blogs/bgb/archive/2008/02/23/exchange-connection-filter-using-a-real-time-block-list-and-imfperfmon-msc.aspx

Note that if you have infected workstations, they are going to spam
without going through Exchange. If you have ISA 2004 installed you can
easily make a firewall policy to block them from sending smtp. If you
have a decent firewall router you can block smtp from everything but
the server.

You can install network monitoring tools like Wireshark to watch
traffic going out the external connection. You can also look at your
network switch for ports that are blinking excessively. A trained eye
can sometimes recognize infected machines. Just the server and
possibly the external connection would have a lot of activity.
Workstations should be fairly quiet.

What anti-virus are you using on the server and workstations?

On Fri, 10 Oct 2008 02:04:01 -0700, clariongrade
<clariongrade@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:

See what SBS support is working on
http://blogs.technet.com/sbs/default.aspx
Check your SBS with the SBS Best Practices Analyzer
http://blogs.technet.com/sbs/archive/tags/BPA/default.aspx
.

Relevant Pages

  • Re: Server/Network setup question
    ... Let's keep the P2P network and the ... SBS server's internal NIC to the switch. ... The internal NIC of the SBS server will default to 192.168.16.2 during the ... you change the IP of the rented printer to 192.168.16.8 (or some ...
    (microsoft.public.windows.server.sbs)
  • Re: DHCP Fails on Authorized Server
    ... The DHCP shutdowns may because the SBS detects another DHCP in network. ... How to configure Internet access in Windows Small Business Server 2003 ... On the Connection Type page, click Broadband, and then click Next. ...
    (microsoft.public.windows.server.sbs)
  • RE: Problems with Permissions
    ... And SBS server is only take ... the role of an internal server. ... they are all configured to connected to internal network. ... g. Run the Configure Email and Internet Connection Wizard on SBS server. ...
    (microsoft.public.windows.server.sbs)
  • Re: ISA Server & a WiFi Hotspot (some DHCP for good measure too)
    ... ISA2k4 is currently not supported on SBS ... To review - you have LAN clients that you want to have ... card for your server. ... > network with 5 client computers. ...
    (microsoft.public.windows.server.sbs)
  • Re: SBS 2003 Win XP/2000 Pro Clients TCP/IP Problems
    ... network and no DHCP services provided by any machines still on the network. ... Check all machines for DNS entries. ... It really sounds like a IP Address conflict the way the server stops ... > PCs, 3 of which are running Windows XP Pro, the rest 2000 Pro. ...
    (microsoft.public.windows.server.sbs)
Loading