I thought the same thing, but I use nslookup and came up
with the correct answers, I use 4 external DNS servers, 2
primary, 2 secondary.
I am now having problems with integration of Exchange and
AD, seems something has gotten corrupted (SP3?)
>My guess is that this is a DNS issue.
>Do you use multiple DNS servers?
>It may be having problems resolving names, depending on
>the DNS server the client us using
>>I have a mix of Win98 and XP machines using Outlook 2k
>>the Email client with Exchange 2k Server. Using the
>>default setup (Virtual server, routing group)certain
>>clients, 98 and XP, can't send email to certain domains,
>>aol.com, netdirect.net, while others can, is this a
>>problem with my server setup or with the clients
>>themselves? This one has me twisted. I get an NDR
>>of "Problem with SMTP communication with the recipients
>>server" or "Sender domain must exist".