Why not just set in your firewall to only allow traffic and connections
from whatever relay you've set?
I'm worried about all of these Exchange users, though. How do I make
sure that they can connect anywhere (cafe, cable modem, etc) and still
make sure that spammers don't send crap to exchange.domain.com?
Dennis Peterson wrote:
SM said:
At 19:16 21-08-2005, Roger Rustad wrote:
Not sure what happens after 5000 emails, but I'm gessing that it
would just forward directly to my MTA. I'm assuming that my MX
records would be something like:
--MX record 0 pointed at whatever ISP is managing this box
--MX record 0+ on my email servers
Your email servers may receive viruses by email if you have a MX
record pointing to them.
Regards,
-sm
Even that is not needed as port scanning is quite common, but any MX
record is an automatic target for spam. I have an unlisted server that
gets almost as much mail as its peers. Nearly 100% spam, needless to say,
which is about 40% higher than its peers.
dp
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