I really need some kind of help. I cannot send e-mails as my simple mail transfer protocol is experiencing a breakdown. The situation has persisted for about 7 days.

All emails being sent are simply piling up. Just some days ago, I realized that this breakdown takes place whenever the email sent has an address that is wrong or if it is not spelt correctly. I have made several attempts to clear the email jam but it is not making the situation any better as it still persists.

I am having lots of trouble with my server. One problem is the connectivity problem between my DNS and SL.

I cannot play my Snow Leopard unless I use DC as the only DNS server. Another problem is that my SSO cannot function properly after trying every troubleshooting. It regularly asks for authentication before I could log in.

Given that the configuration of my network of Mac is connected to older Windows 2000 Server AD environment.

Why is it that I encounter such problems? 

Hi! I just need to ask if there’s a way for me to change the postmaster accounts when you’re using a hosted environment; this has been concerning me for quite a while now.

You see, if a user sends a mail and then get a NDR, the Postmaster account will be generated from the master domain so that would have to be ABC.com and the hosted domain would be XYZ.com. I was wondering if there’s a way for the XYZ.com generate on its own.

I hope you can help me.

Thank you.

When you need to send emails externally (to the internet) what is the next step that you need to advance to after having installed Exchange 2007? Thanks in advance.

As to  the number and size of the stalls on a server in a computer, let me know the difference between Enterprise and standard editions of Exchange.

We purchased the licenses of Exchange 2007 and 2010 with software assurance. Since we are upgrading from Exchange 2003, which of the two would you suggest us to upgrade to, though my opinion is biased towards Exchange 2010?

Our Exchange organization has both Exchange 2003 and Server 2007. Is there a possibility of exchanging from server 2007 mailbox server to Front End server talk?  How can it possibly work?

I'm torn in between 32 –Bit and 64-Bit versions. I'm perplexed as to whether I need to install just  one or both of them for I have Exchange 2007 which came with both? 

Do you have any ideas as to why we can't see the organizational forms library after one of our employees upgraded Exchange 2003 to 2007? We run 2003 while our client computer use Outlook 2003 ,2007 and 2010, yet I can see it from my system which is running 2010 just fine.

I want to restrict a user to just access webmail by login username and password which will be allocated.

User should not have access to any files.

How to do it? Please help.