exchange server 2000 VS exchange server 2003

I have exchange server 2003 and MS Outlook2003
MS Outlook 2003 is logged with USER1

I opened new message and chose FROM: USER2  TO: USER1, and the message went through.

Previously in exchange 2000 if I don't give at least send as permission to USER2 he can't send as FROM  himself in MSOutlook logged by USER1.

any explanation? is it exchange server 2003 feature?

Who is Participating?
brakk0Connect With a Mentor Commented:
User1 is set as a delegate for user2

Or one of them has been given exchange admin privileges for some reason.

That shouldn't happen by default.

jskfanAuthor Commented:
OK, I will create USER3 and test it.
jskfanAuthor Commented:
it's the same thing. I have created USER3 and from USER1 mailbox I can send email and it shows that it came from USER3.

I don't know why it does that even though I didn't give any permission to USER3
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Check delegate permissions and mailbox store permissions in ESM.
jskfanAuthor Commented:
I checked permissions, I can't see any Send As or Receive As Permissions assigned.
jskfanAuthor Commented:
let me clear it up, I suspect that the reason was:

I am logging on to WXP as domain admin and the outlook profile is domain admin, in the From field of Outlook I am using a regular domain user.

maybe the domain account gives the rights to use the From any domain users?

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