Does anyone have any insight into this?

I also have some additional information. Postfix was recently upgraded
to 2.4.4 (from 2.2.x), are there relevant postfix configuration
variables that may have changed?  I can provide complete amavis and
postfix configurations upon request.  Thanks. -- Joel

Joel Nimety wrote:
> I have a situation where a message was passed as clean:
> 
> Aug  2 13:53:12 10.25.1.231 amavis[7089]: (07089-06) Passed CLEAN,
> CF/MYNETS LOCAL [10.37.88.3] [10.37.88.3] <[EMAIL PROTECTED]> ->
> <[EMAIL PROTECTED]>, Message-ID:
> <[EMAIL PROTECTED]>, mail_id: DCea9MTrIAFS,
> Hits: -, queued_as: 4A548E5C10, 706 ms
> 
> But the sender was notified that the message was blocked due to invalid
> header. Is this possible?  Using amavisd-new-2.4.3 with custom
> notification templates.
> 
> Here's the notification, note that mail17 is 10.25.1.231
> 
>>>> <[EMAIL PROTECTED]> 08/02/07 1:53 PM >>>
> 
> Subject: Email Blocked ?????? Invalid Header
> Message-ID: <[EMAIL PROTECTED]>
> 
> Perimeter eSecurity blocked the email that contained invalid header
> information
> 
> Below you will find more detail regarding the error.
> 
> If you have any questions please contact Perimeter eSecurity at
> [EMAIL PROTECTED]
> 
> ||
> WHAT IS AN INVALID CHARACTER IN MAIL HEADER?
> 
> The RFC 2822 standard specifies rules for forming internet messages.
> It does not allow the use of characters with codes above 127 to be
> used
> directly (non-encoded) in mail header (it also prohibits NUL and bare
> CR).
> 
> If characters (e.g. with diacritics) from ISO Latin or other
> alphabets
> need to be included in the header, these characters need to be
> properly
> encoded according to RFC 2047. This encoding is often done
> transparently
> by mail reader (MUA), but if automatic encoding is not available
> (e.g.
> by some older MUA) it is the user's responsibility to avoid the use
> of such characters in mail header, or to encode them manually.
> Typically
> the offending header fields in this category are 'Subject',
> 'Organization',
> and comment fields in e-mail addresses of the 'From', 'To' and 'Cc'.
> 
> Sometimes such invalid header fields are inserted automatically
> by some MUA, MTA, content checker, or other mail handling service.
> If this is the case, that service needs to be fixed or properly
> configured.
> Typically the offending header fields in this category are 'Date',
> 'Received', 'X-Mailer', 'X-Priority', 'X-Scanned', etc.
> 
> If you don't know how to fix or avoid the problem, please report it
> to _your_ postmaster or system manager.
> ]
> Return-Path: <[EMAIL PROTECTED]>
> Your message
> <[EMAIL PROTECTED]>
> could not be delivered to:
> 

-- 
Joel Nimety
Perimeter eSecurity
Product Architect, Email Defense
203.541.3416
[EMAIL PROTECTED]
http://www.perimeterusa.com



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 Thanks 

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