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You can use the command "gpresult" to find out what all group policies are applied to that server. Then look at each policy in turn. Also, a good malware scan might be in order. There may be some scumware disabling automatic updates in order to reduce security on that box.

I want to configure postfix such that if a message from MAILER-DAEMON is not immediately deliverable, the message should be dropped/discarded rather than be deferred or handed off to my smtp fallback relay. Is there any way to accomplish this?

I have a Bind DNS caching-only server setup that is working. I am bringing up a new AD domain controller that will also be a DNS server for that AD but I don't want it responding to any DNS queries except those that are AD related. So, my goal is to leave this caching server as the primary DNS...

You can use Linux Virtual Server (note: the name "virtual server" should not be confused with virtualization products like Hyper-V, VMware, etc.). It does exactly that for any TCP service. The particular feature you are asking about with return traffic going directly to the client Direct...

Any drives you want controlled by that RAID controller will need to be plugged into that controller, not into the motherboard.

Are the messages actually being sent through Postfix at all or an external SMTP server? Try stopping Postfix and send a test message from your app and see if it delivers or not.

You know, I believe 95.95.95.95 is a broadcast address for the 95.95.95.64/27 subnet. So I don't think that IP configuration is valid for a host.

Hmm...try commenting out the permit_mynetworks line and see what that does. I don't have such an entry in my postfix config and it rejects SMTP connections nicely from foreign networks.

IIS would do that just fine as long as you know what you are doing. Ask yourself this. Do you have the expertise on staff to setup, secure, and maintain a production web server that your organization depends on? If the answer is no, then you will need to either hire someone, hire a...

We shoot for a 5 year life span. That is when we begin planning on retiring it (some servers may stay online longer, depending on how motivated we are about migrating it).

No, I couldn't find any documentation. I had to join the amavisd-new mailing list and someone suggested that. I normally go to mailing lists as a last resort because I get tired of hearing "Did read the f###ing manual before bothering us?

ok, I have it solved. In the whitelist file, I should have had /whatever/ FILTER smtp:[127.0.0.1]:10025

A1 I run VMWare on 2950s and they perform just fine with web, e-mail (not exchange), and MSSQL and MySQL servers. A word of advice though. If/when you start thinking about having more than one physical server running virtual machines, you WILL want some sort of centralized network storage to...

Yea, I've been reading that document over and over but just can't pinpoint the problem. The thing that frustrates me in that document is that they give example services for master.cf such as 1.2.3.5:smtp inet n - n - - smtpd but they give example filter syntax...

How do you have Postfix configured? Could you post your main.cf + master.cf files?

In my Postfix + Amavisd-new + Spamassassin setup, I am trying to bypass the content filtering for specific senders. Messages that match my header checks are producing an error in the maillog, "warning: connect to transport 127.0.0.1: No such file or directory" and the message just sits in the...

I am in the process of building an outbound SMTP gateway to filter messages generated from web forms. The setup I am using is Postfix + Amavisd-new + SpamAssassin. I currently have a Postfix + SpamAssassin setup in production but I find that releasing messages marked as spam is not practical...

Which hosting company are/were you using?

Anytime I've converted a basic disk to dynamic, it went without so much as a hiccup. But I recommend not having a single volume that large for the reason that if you ever have to do a file system check, you will have hours of down time.

I ran across a similar problem not too long ago with a client of mine. I was getting transfer rates of 3-4Mbps on a 100Mbps LAN. Ended up running across several issues including poor network cabling and also found a network loop between unmanaged switches. Fixing these helped a lot. They...