E-Mail Server giving too much information w/ Return Receipt Requests {Scanned}

[SW]

Hello,

I just found out that if someone selects to be notified of an e-mail message
delivery, that the mail server will send out a response back to the user
with that user's e-mail address and if any aliases were setup, it will also
the target e-mail address like the following:

Subject: Return receipt
The original message was received at Fri, 20 Aug 2004 01:06:24 -0400 from
[68.166.149.62]

   ----- The following addresses had successful delivery notifications -----
wppi at wppi.com  (successfully delivered to mailbox)
    (expanded from: <stevewest15 at wppi.com>)

   ----- Transcript of session follows -----
wppi at wppi.com... Successfully delivered
-------------------------------------------
Is there any way to block our mail server from sending out this information
back?

Thank you,

SW



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