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We have set up a two-way trust between a Windows NT4 network and a W2K active directory network. We already have one site connected this way, so we felt this would be relatively painless to do. Well, once the trust was established we set up WINS replication between the two sites (as we had done...

I have an Exchange 5.5 server (SP4). We were experiencing a lot of messages being queued up (looked like from a workstation infected with a mass-mailing worm). It got to a point where Exch Admin. was locking up, so we tried stopping and starting the IMC service, but this hung while stopping...

I have a user who has problems sending emails with attachments to a particular external email account in his Contacts folder. The attachments cannot be opened. This user can send the same attachment to another external email account and it will be delivered and opened without any problems. A...

How can you determine if a domain (company) is blocking you because they think you're a spammer, or because they run antivirus software that blocks addresses? Or can't you? I know of the spam cops out there, and we have tested our address with all of them and we're clean (we weren't about 4...

Has anyone dealt with this type of message before? If so, can you help me in determining what is wrong? A mail message was not sent due to a protocol error. 552 websense.setonco.com: your "received:" header counts of 17 exceeds maximum setting 15 The message that caused this...

Does anyone know whether the Klez fix tools (in particular, the one from Symantec or the one from Trend Micro) can detect the Klez virus if they're not run with the machine in Safe mode? We want to let our users run these, or put them in the login script, but I'm not sure whether they'll be...

Our DHCP scope in our main office is quite messed up...many reserved and unused addresses...dynamic address where we want static addresses, etc. So we decided to try to clean this up by creating a second scope, migrating the workstations to the second scope, then recreating the first scope and...

Hope somebody has experienced this: We have an NT 4.0 domain and an Exchange 5.5 server. We have some users using Corporate Mail with the Exchange server thru Outlook, and other users are still POP-ing their email off the Exchange server (either thru Outlook Express 5.x or Outlook w/ Internet...