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    Posted: 15 May 2003 at 3:21pm

I have set my SpamFilter to reject e-mails without "From-Name". However, I just got the following e-mail that made it through the SPAMFilter. The domain of the sender is not in any of my white-lists, thus, the e-mail should have been rejected.

Even if the e-mail details shows a "From" e-mail address my Outlook does not show a From address. I assume it has something to do with the 2 "" in front of the From e-mail address.

Is this something the "Reject if empty mail from" should have captured?



Microsoft Mail Internet Headers Version 2.0

Received: from server325 ([]) by with Microsoft SMTPSVC(5.0.2195.5329);

Thu, 15 May 2003 11:56:18 -0700

Received: from by (LogSat Software SMTP Server) Thu, 15 May 2003 11:56:18 -0700

Received: from ([]) by id <6016595-80753>; Thu, 15 May 2003 20:48:23 +0100

Message-ID: <044g09vz$1a16144e6q1$b-0$pj@pi40e1w>

From: "" <>

To: <>

Subject: Individual Health Insurance Free Quotes! fgb ytuidd gip e

Date: Thu, 15 May 03 20:48:23 GMT

X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0)

MIME-Version: 1.0

Content-Type: multipart/alternative;


X-Priority: 3

X-MSMail-Priority: Normal

X-Server: LogSat Software SMTP Server


X-OriginalArrivalTime: 15 May 2003 18:56:18.0968 (UTC) FILETIME=[AB5AA980:01C31B13]


Content-Type: text/html;

Content-Transfer-Encoding: quoted-printable



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Joined: 25 January 2005
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Post Options Post Options   Thanks (0) Thanks(0)   Quote LogSat Quote  Post ReplyReply Direct Link To This Post Posted: 15 May 2003 at 11:00pm


The "Reject if empty MAIL FROM" option looks for an empty address in the "MAIL FROM" command, not the "from" header in the email The addresses you see in the Outlook client are the email headers the sender adds in the body of the email.

In the email smtp conversation below, note that the MAIL FROM and RCPT TO command have and In the email headers however, I specified and

Your Outlook client will ignore the original (the original MAIL FROM) and the original (the real recipient, where the email will be delivered to). It will instead display the "fake" ones: for the "from" field and for the "to" field.

Hope all this helps,

LogSat Software

>>220 Welcome to LogSat's Software SMTP Server v1.1.2.122
>>250 Hello CMCTRF1
>>250 Ok
>>250 Address Okay
>>250 Address Okay
>>354 Start mail input; end with <CRLF>.<CRLF>
<<Subject: Test
<<Date: Wed, 14 Aug 2002 21:08:37 -0400
<<Content-Type: text/html;charset="ISO-8859-1";
<<X-Priority: 3
<<This is a test
>>250 Ok

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