Expert Knowledgebase
Spam and security with Richard Luckett
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Setting up an SSL certificate for OWA without a public IP address
(31 AUG 2006)
We want to set up a Secure Sockets Layer (SSL) certificate for Outlook Web Access (OWA), and we do not have a public IP address assigned for our firewall. Can we use Dynamic Domain Name System (DDNS) to...
Creating one password for both local and Microsoft Outlook user accounts
(17 AUG 2006)
I have Exchange 2003 and one forest with one domain controller, abc.com, and six child domains, lyn.abc.com, wny.abc.com, queens.abc.com and so on. All my users log into their own local domain (for example: lyn...
Should Exchange Server utilize the SMTP connector for internal email?
(08 AUG 2006)
I have two Exchange 2003 servers in my environment. Both are located in the same administrative group and routing group. I have an SMTP connector with address space * and a smart host specified to carry the Int...
Configuring OWA and OMA on ISA Server in a DMZ
(27 JUL 2006)
I have Exchange 2003 and I want to enable Outlook Web Access (OWA) and Outlook Mobile Access (OMA) from ISA Server 2004. I don't want to keep ISA Server as a firewall. We already have a third-party firewall, an...
Restricting mailbox access in Exchange 5.0 and Microsoft Outlook 2002
(26 JUL 2006)
We are using Exchange 5.0 and Microsoft Outlook 2002. In my organization everyone can see each other's mailboxes using File -> Open -> Other user's folder. How can I restrict this?
Microsoft Outlook authentication fails on one workstation
(26 JUL 2006)
I have a PC that is part of the domain. My domain credentials work fine. I have access to shares on the server. When I add the Exchange Server mailbox to Microsoft Outlook, it asks for a password. No matter wha...
Masking an email's source IP address
(25 JUL 2006)
When an email is sent, it attaches an IP address. Can that IP address be modified so when the recipient receives the email, another IP address appears?
Error: 'This message has been blocked because it contains a banned word'
(28 FEB 2006)
I have recently installed Windows Small Business Server 2003, which includes Exchange Server 2003. One of my users sent an email that got returned as undeliverable with the following text:
"You do not have pe...
Best method to filter spam in Exchange 5.5
(22 FEB 2006)
My company is using Exchange 5.5 and we get a lot of spam. Could you please tell me how to configure Exchange 5.5 to filter spam? Thanks.
Limit delivery of messages to one distribution group
(15 FEB 2006)
How can I limit the delivery of messages in Exchange 2003 to only one (or more) distribution group? I want to configure Exchange in such a way that a user can only send messages to a specific distribution group...
Track, monitor and log all e-mail communication
(09 FEB 2006)
I am looking for a way to track, monitor and log all e-mail communication -- both incoming and outgoing -- on an Exchange 2003 server. What is being asked of me is to store and track every e-mail for legal purp...
Limit domain users' OWA access
(02 FEB 2006)
I have IIS 5.0 on Windows Server 2000 using Outlook Web Access with Exchange 2000. I am new to this system and it looks like the security is not set up quite right. I want only certain domain users to have acce...
Review permission level of all customers
(30 JAN 2006)
We are using Exchange 5.5 and would like to export the calendar properties to an Excel spreadsheet for the purpose of reviewing the permission level of all of our customers. We have been unable to find a tool t...
Trace who has checked the president's e-mail
(25 JAN 2006)
How can we trace which users have checked the company president's email box? I know Exchange and Active Directory keep track of logons. We are running static IP addresses, so I thought maybe we could get the IP...
Track IP address of virus sender's system
(16 JAN 2006)
How can I track the IP address of the virus sender's system?
Stop relaying and enable outgoing SMTP authentication
(09 JAN 2006)
We have an Exchange 2003 server with SP1. I read your expert response Relay prevention on the Exchange server .
I would like to know:
How can we stop relaying on an Exchange 2003 server? Only Active...
Decoding Outlook Web Access log entries
(27 DEC 2005)
I read your expert answer Checking logs for OWA logon attempts . I was wondering if you could point me somewhere that would tell me how to read those logs. I am a little concerned after looking at some of th...
Direct all outgoing e-mail via external antispam service
(19 DEC 2005)
We use an external antispam service, so all our incoming e-mail comes to us via their servers. I would like to direct all of our outgoing e-mail via their service as well. They have supplied the server names an...
Prevent users from accessing others mailboxes
(19 DEC 2005)
I am looking for a way to prevent Outlook 2000/2003 users from having access to the Permissions tab in the mailbox folders. I want to prevent users from assigning permissions to other users to have access to th...
Can I restrict/remove the Permission tab in Outlook?
(08 DEC 2005)
How do I prevent Microsoft Outlook users from assigning other users rights to their mailboxes? I want to restrict or remove the Permission tab in the Properties view in Outlook. Permissions to mailboxes should ...
'Error: Domain not available' after password change
(08 DEC 2005)
I have configured Exchange so users must change their passwords after 30 days. But, when they change their passwords, they can no longer get into the domain. Error: Domain not available.
STORE.EXE is degrading performance
(28 NOV 2005)
The process STORE.EXE on my Exchange 2003 server is degrading the performance of the machine. I'm running GroupShield with SpamKiller, but I still can see a bunch of e-mails being scanned by the engine. We don'...
Microsoft's internal antivirus software
(23 NOV 2005)
There are many options for antivirus in the Exchange environment. However, do you know what antivirus software Microsoft uses internally, since they don't market an option?
Securing Exchange mailboxes from internal attacks
(15 NOV 2005)
How do I secure Exchange 2000 from internal attacks from valid users who might plan to check others' mailboxes? Can password guessing attempts be traced to exact computer names, even if the password is tried ag...
Why standalone certificate authorities are more secure
(11 NOV 2005)
I understand that Microsoft only recommends installing a standalone certificate authority when you do not have an Active Directory domain, and automatic deployment of certificates to users and computers isn't r...
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