when Internet mail comes in, it would go through Sendmail <> Spam Filter <>
Exchange 5.5 IMS <> Exchange 5.5/2003 mailbox servers. Trend antivirus and
Veritas BackupExec agent are installed on Exchange servers. It looks to me
that the x-maybe-spam type headers are stripped out when the messages are
transferred from Exchange 5.5 IMS to Exchange 2003 via MTA.
Wei Yan
From: "Presley, Steven" <[EMAIL PROTECTED]>
Reply-To: "Exchange Discussions" <[EMAIL PROTECTED]>
To: "Exchange Discussions" <[EMAIL PROTECTED]>
Subject: Re: SMTP Header issue
Date: Thu, 2 Dec 2004 15:20:01 -0800
Wei,
I have had a few different non-Exchange hosted SPAM solutions
inserting mail into my Exchange 200x environment and never has
Exchange stripped any x-maybe-spam type headers that are put in by
another MTA. There may be an application that is doing it that is
running on your Exchange 200x servers (or handing off the mail to your
servers), but the Exchange servers them selves do not remove
X-headers. What kinds of software do you have loaded on your Exchange
servers and how is your mail routing between the Internet, your 5.5
environment, and your 2003 environment?
On Thu, 02 Dec 2004 22:56:48 +0000, Wei Yan <[EMAIL PROTECTED]> wrote:
> No, it is not because of Trend antivirus or emanager. Spam filtering is
> complete outside the Exchange world. People on Exchange 5.5 servers
receive
> email messages fine with all headers kept intact. So I am suspecting
> Exchange 2003 servers remove any headers added by spam filter.
>
> Cheers,
> Wei Yan
>
> >From: "TRAHAN,FRED W" <[EMAIL PROTECTED]>
> >Reply-To: "Exchange Discussions" <[EMAIL PROTECTED]>
> >To: "Exchange Discussions" <[EMAIL PROTECTED]>
> >Subject: RE: SMTP Header issue
> >Date: Thu, 2 Dec 2004 16:02:37 -0600
>
>
> >
> >If you are using Trend to filter...it will not because of the scanning
> >technology ESE API, compared to it's earlier predecessor of Emanager
> >MAPI/AVAPI that can scan the header.
> >
> >-----Original Message-----
> >From: [EMAIL PROTECTED]
> >[mailto:[EMAIL PROTECTED] On Behalf Of Wei
Yan
> >Sent: Thursday, December 02, 2004 3:50 PM
> >To: Exchange Discussions
> >Subject: SMTP Header issue
> >
> >
> >I'm running a mixed-mode Exchange 5.5/2003 environment. All Exchange
> >servers
> >
> >(5.5 and 2003) talk to a Exchange 5.5 IMS.
> >
> >My issue is this: When users receive SPAM, we have a service tagging
the
> >SMTP header with "X-SPAMCHECKER: Yes" values. Since the implementation
of
> >Exchange 2003, the users migrated to the Exchange 2003l server do NOT
get
> >this header modification. Any ideas?
> >
> >Thank you,
> >
> >Wei Yan
> >
> >
> >
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