Exchange 2003, Google DNS, and IMF Connection Filtering RBL Failures
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From: Ace Fekay [MCT] on 30 Dec 2009 11:13 "Leythos" <spam999free(a)rrohio.com> wrote in message news:MPG.25a537f3e2ad247c98a051(a)us.news.astraweb.com... > In article <OsC1gDWiKHA.1460(a)TK2MSFTNGP06.phx.gbl>, > aceman(a)mvps.RemoveThisPart.org says... >> I'm sure they had a good reason to institute limits. It's probably meant >> for >> the home-owner, since it's a quick and free, whereas many companies >> (especially larger ones) have a third party handling this sort of >> function. >> > > I'm sure that OpenDNS is means for SMALL, according to their website, > not just homes, since most homes don't have SMTP servers. We have > clients with 1 to 17 servers and 2 to 350 workstations. Most of the > clients with a small shop will purchase a real firewall, but they won't > spend the extra on web/smtp filtering services. OpenDNS gives them some > control over what the employees can get access to - like being able to > block web-email sites, to force them to use the company email system. > > -- > Sorry, I meant to say "for the home user and small business owner." I don't see why a home user can't put the ODNS addresses in their configs to control inappropriate sites. Ace
From: Leythos on 30 Dec 2009 11:30 In article <#h22DsWiKHA.1540(a)TK2MSFTNGP06.phx.gbl>, aceman(a)mvps.RemoveThisPart.org says... > > "Leythos" <spam999free(a)rrohio.com> wrote in message > news:MPG.25a537f3e2ad247c98a051(a)us.news.astraweb.com... > > In article <OsC1gDWiKHA.1460(a)TK2MSFTNGP06.phx.gbl>, > > aceman(a)mvps.RemoveThisPart.org says... > >> I'm sure they had a good reason to institute limits. It's probably meant > >> for > >> the home-owner, since it's a quick and free, whereas many companies > >> (especially larger ones) have a third party handling this sort of > >> function. > >> > > > > I'm sure that OpenDNS is means for SMALL, according to their website, > > not just homes, since most homes don't have SMTP servers. We have > > clients with 1 to 17 servers and 2 to 350 workstations. Most of the > > clients with a small shop will purchase a real firewall, but they won't > > spend the extra on web/smtp filtering services. OpenDNS gives them some > > control over what the employees can get access to - like being able to > > block web-email sites, to force them to use the company email system. > > > > -- > > > > Sorry, I meant to say "for the home user and small business owner." I don't > see why a home user can't put the ODNS addresses in their configs to control > inappropriate sites. I didn't mean that home users should not use OpenDNS - we suggest it to most residential types as well as small offices that don't have a server - it's great for what it does. We're on the same page. -- You can't trust your best friends, your five senses, only the little voice inside you that most civilians don't even hear -- Listen to that. Trust yourself. spam999free(a)rrohio.com (remove 999 for proper email address)
From: Leythos on 30 Dec 2009 11:31 In article <u2#dKbWiKHA.5596(a)TK2MSFTNGP05.phx.gbl>, obiwan(a)mvps.org says... > > > I'm sure that OpenDNS is means for SMALL, according to their website, > > not just homes, since most homes don't have SMTP servers. We have > > clients with 1 to 17 servers and 2 to 350 workstations. Most of the > > clients with a small shop will purchase a real firewall, but they > > won't spend the extra on web/smtp filtering services. OpenDNS gives > > them some control over what the employees can get access to - like > > being able to block web-email sites, to force them to use the company > > email system. > > Hmm... I know, we're in SBS-land here so my suggestion won't probably > fit, but in general, when it comes to such scenarios, I prefer having a > DNS > on the mailserver box (or either a DNS dedicated to email service) and > another one (or btw more than one) used by clients I like the idea of the TS have it's own DNS for OpenDNS lookups past the local network - had not thought of that - thanks. -- You can't trust your best friends, your five senses, only the little voice inside you that most civilians don't even hear -- Listen to that. Trust yourself. spam999free(a)rrohio.com (remove 999 for proper email address)
From: Ace Fekay [MCT] on 30 Dec 2009 12:55 "Leythos" <spam999free(a)rrohio.com> wrote in message news:MPG.25a54a2018c8245a98a055(a)us.news.astraweb.com... >> >> Sorry, I meant to say "for the home user and small business owner." I >> don't >> see why a home user can't put the ODNS addresses in their configs to >> control >> inappropriate sites. > > I didn't mean that home users should not use OpenDNS - we suggest it to > most residential types as well as small offices that don't have a server > - it's great for what it does. We're on the same page. > :-)
From: Chucko on 30 Dec 2009 17:31
My bad, I missed it. "Ace Fekay [MCT]" <aceman(a)mvps.RemoveThisPart.org> wrote in message news:eArLPPIiKHA.2132(a)TK2MSFTNGP05.phx.gbl... > "Chucko" <chucko(a)myrealbox.com> wrote in message > news:%23Y2RcREiKHA.3792(a)TK2MSFTNGP02.phx.gbl... >> One more thing to add to this discussion is that you can configure the >> Exchange Virtual SMTP Server to use a different DNS than the rest of the >> system uses. >> >> You can find that configuration tab under default SMTP Virtual Server >> Properties, Delivery, Advanced, Configure. >> >> That way you can use DNS servers that provide the proper NXDOMAIN >> response for the SMTP mail traffic and something like Open DNS for the >> Server and Workstations. That is how I normally set it up. I was trying >> out and testing the Google DNS servers for SMTP traffic and that is how I >> found out about the initial problem. >> > > As I have mentioned in the post above.:-) > > Ace > |