I would say this is certainly Michael's realm of expertise - hopefully no one 
has any extensions labeled as: "FREE VIAGRA(R)"

-----Original Message-----
From: [email protected] 
[mailto:[email protected]] On Behalf Of Douglas Hubler
Sent: Wednesday, August 11, 2010 10:02 AM
To: Michael Scheidell
Cc: [email protected] users
Subject: Re: [sipx-users] anti-spam suggestion

seems like reasonable issue and worthy of tracker item

On Wed, Aug 11, 2010 at 9:58 AM, Michael Scheidell
<[email protected]> wrote:
> the voicemail email is already 'suspect'.  VERY small body, and larg(ish)
> wave attachment.
> Anything (including following the relevant RFC's) will help.
> # 1 (discussed already), a From of postmas...@localhost can trigger some
> anti-spam defenses when sending voicemail.
> (postmaster usually denotes a bounce, eg: this might be backscatter, and
> 'localhost' itself is a trigger, letalone a dns name that can't be looked
> up.  recipients system would never be able to bounce a misdirercted email.
> #2, the html created is missing the </body> and </html>.  while it RENDERS,
> on most mail clients, the 'unbalanced' sections can trigger anti-spam
> defenses.
>
> example email:
> <html>
>  <head>
>  <title>Voicemail Notification</title>
>  </head>
>  <body>
>  <p>0:05 Voice Message from 1259 (Michael Scheidell)</p>
>
> (note the missing </body> and </html>
>
>
>
> --
> Michael Scheidell, CTO
> o: 561-999-5000
> d: 561-948-2259
> ISN: 1259*1300
>> | SECNAP Network Security Corporation
>
> Certified SNORT Integrator
> 2008-9 Hot Company Award Winner, World Executive Alliance
> Five-Star Partner Program 2009, VARBusiness
> Best in Email Security,2010: Network Products Guide
> King of Spam Filters, SC Magazine 2008
>
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