Watermarking returns+ graphical signatures

[Julian Field]

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I have just released a new beta with 2 major features added:

Firstly, the watermarking functionality has returned. But this time it 
is implemented differently so is safe from all patent problems. It is 
implemented in pretty much the same way that milter-null does it.

Secondly, ever wanted to be able to put an image in your HTML signature? 
Well now you can. The image is embedded in the message so it will 
display even when the recipients' email applications are configured not 
to fetch remote images.

And there's one more little feature: some companies such as msgtag.com 
have evaded the web bug detection by not defining the size of the web 
bug image. Now you can just black-list images from any servers or 
domains so all images from msgtag.com can be blocked at once.

Download as usual from www.mailscanner.info.

The full change log is this:

* New Features and Improvements *
1 Improved non-Linux installer.
1 Improved Linux installer.
1 Updated OpenBSD installation guide. Thanks to Jeremy Evans for this.
1 Upgraded MIME::Base64 to 3.07.
1 Improved error reporting for clamd permissions problems. Thanks Rick.
2 Added SAUPDATEARGS to /etc/sysconfig/MailScanner and
  /usr/sbin/update_spamassassin. For a good use of this, see
  http://daryl.dostech.ca/sa-update/sare/sare-sa-update-howto.txt and search
  for "HOWTO" in the Subject: line of the MailScanner-discussion list 
archive.
  This process replaces RulesDuJour entirely.
  Another good ruleset to add to your setup is
  http://www.peregrinehw.com/downloads/SpamAssassin/contrib/KAM.cf
  To download this automatically every night, fetch
  http://www.mailscanner.info/files/4/KAM.cf.sh and put it in 
/etc/cron.daily
  and make it executable (type "chmod +x /etc/cron.daily/KAM.cf.sh").
3 Added "Known Web Bug Servers" so you can blacklist images from known 
servers
  of web bug services.
3 Added functionality of "milter-null" to MailScanner so you no longer 
need to
  run this separately. It is called "Watermarking" and there is a whole
  section for the settings in MailScanner.conf. They are
  Add Watermark = yes
  Skip Spam Checks If Watermark Valid = yes
  Watermark Header = MailScanner-%org-name%-Watermark:
  Watermark Lifetime = 432000 # in seconds, = 5 days
  Watermark Secret = SET-THIS-TO-A-SECRET!
  Also added Digest::MD5 to the required list of Perl modules, this is 
needed
  for the watermarking code.
3 Added optional image to the clean message signature. You can also use this
  to add an arbitrary image attachment to any message, if you so wish. The
  main point is to be able to have graphical HTML signatures on messages.
  The settings are
  Attach Image To Signature = no
  Attach Image To HTML Message Only = yes
  Signature Image Filename = %report-dir%/sig.jpg
  Signature Image <img> Filename = signature.jpg

* Fixes *
2-2 Fixed error in RPM installer.
2-3 Fixed error in update_spamassassin.

Jules

- -- 
Julian Field MEng CITP
www.MailScanner.info
Buy the MailScanner book at www.MailScanner.info/store

MailScanner customisation, or any advanced system administration help?
Contact me at Jules at Jules.FM

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For all your IT requirements visit www.transtec.co.uk


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