Because you can't change it in any other major product, either. This is
a client-side issue. I can put whatever I want in it, no matter what
type of SMTP box I'm bouncing it off, as long as it's open for me to
relay through. It's no different from the subject line or the to: line.
I can type
rcpt to:[EMAIL PROTECTED]
data
from: Ronald McDonald
to: [EMAIL PROTECTED]
[bunch of text][cr].[cr] and it will go through just fine. per rfc.
> -----Original Message-----
> From: McCrary Earl Contr 411 FLTS/TSF
> [mailto:[EMAIL PROTECTED]]
> Posted At: Wednesday, August 29, 2001 09:36 AM
> Posted To: MSExchange Mailing List
> Conversation: POP3 client using another user's IMS SMTP address
> Subject: RE: POP3 client using another user's IMS SMTP address
>
>
> If that's the case, then why would an ISP ever use Exchange
> as their Email
> server?
>
> Earl McCrary, MCSE, CCNA
> F-22 Combined Test Force
> CSC, Federal Sector - Defense Group
> 661.277.7993
>
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, August 29, 2001 5:05 AM
> To: Exchange Discussions
> Subject: RE: POP3 client using another user's IMS SMTP address
>
>
> I don't believe you can.
>
> -Mich�le
> Immigration site: <http://LadySun1969.tripod.com>
> Our new 2001 Miata: <http://members.cardomain.com/bpituley>
> Tiggercam: <http://www.tiggercam.co.uk>
> ---------------------------------------------------------
> WARNING: The consumption of alcohol may make you think you
> are whispering
> when you are not.
> ---------------------------------------------------------
>
>
> -----Original Message-----
> From: McCrary Earl Contr 411 FLTS/TSF
> [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, August 28, 2001 6:53 PM
> To: Exchange Discussions
> Subject: POP3 client using another user's IMS SMTP address
>
>
> How can I prevent a POP3 email client from using another
> user's SMTP address
> in the From: field of an email message?
>
> Here's the situation: When configuring a POP3 email client
> on a networked
> connected workstation using a valid network user account; I
> can configure
> the POP3 client to use any users' Exchange container name as
> the username
> (blank password) and once configured, send an email to the
> Exchange Server
> IMS connector for delivery via SMTP. The email arrives at
> the destination
> with the "forged" user's address in the FROM field.
>
> Is there some setting on the IMS connector to prevent this?
>
> Earl McCrary, MCSE, CCNA
> F-22 Combined Test Force
> CSC, Federal Sector - Defense Group
> 661.277.7993
>
>
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