I have a user who has a Mac with OSX 10.6 on it. She uses Entourage 2008 hooked into the company Exchange 2003 Server.
When this user is in the office, all emails send correctly, and get received correctly. When she works elsewhere, then issues start to arrise.
If she sends an email from home (or anywhere besides the office), it will go to the sent items folder and appear as if it has gone out correctly, but it will either not be received by the recipient, or will be received by some and not all.
If she sends that email again from the office however, then all recipients will get the email.
This is happening for both internal and external emails. She is sure that she is connected to the internet when she sends it.
We have tried setting her up with a VPN, but got the same issues.
We have tried settign her up with HTTP via RPC, but got the same issue.
Any assistance you can offer would be greatly appreciated.