AW: How to kill OL2000 ability to render html mail

Hi,

i'm working fine with ZoneAlarmPro. I configured a rule to prevent Outlook Internet access. Only standard mail ports are allowed (SMTP, POP3, IMAP + DNS). So it cannot connect on html ports 80 oder 443. Many spam mail contains html code, that tries to connect to the spammers webserver in order to place some kind of tranfer confirmation. So the spammer knows your mail adress is valid and as a result you get much more spam every day. By preventing Outlook to connect to web servers, this tracking feature is disabled.

IMHO it is not possible to "kill OL2000 ability to render html mail". Outlook uses the internet exlorer rendering engine every time a html mail is received. And if there is a link for example like src="http://server/picture.gif" to a picture on a web server, it dynamically downloads this picture. This is a build in "feature" up to Outlook XP. But recently Microsoft pronounced that future Outlook clients will have the ability to switch of active downloads of html code. This is kind of "offline" mode. But html code will probably displayed furthermore.

hope, that will help

Marco Ellmann
Hannover, Germany

-----Ursprüngliche Nachricht-----
Von: Jeffrey R Eaves [mailto:jre@eavessolutions.com] Gesendet: Freitag, 20. Dezember 2002 01:08 An: focus-ms@securityfocus.com
Betreff: How to kill OL2000 ability to render html mail

Hi,

I am looking for a way to prevent Outlook 2000 rendering html email.

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I don't want to block it, just prevent Outlook from sucking a billion bytes of crap from the internet just to render some piece of spam (IMHO all html mail is spam ;) ).

I don't care if all you see is the original html code, however unreadable that might be.

A side issue is to further prevent any active content.

Outlook is fully patched & locked down as far as I can get it.

Does anyone know of a registry hack/add in tool that can make this happen? Or is this a mail server issue requiring server based fixes?

Changing to another email client is not an option as the LAN is based on Exchange, and the calendar/collaborative functions are needed.

TIA

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In addition to our free technical library, Pantek provides professional IT services to companies who utilize Open Source software: Learn more about Pantek's Technical Support offerings Place an order for 24/7/365 Technical Support here Learn more about Pantek, who we are, and what we do Chat with a Live Operator Related securityfocus.com Links bugtraq certification focus-bsd focus-ids focus-ih focus-linux focus-ms focus-sun focus-unix-other focus-virus forensics incidents libnet linux-secnews ms-secnews pen-test secpapers secprog sectools secureshell security-basics securityjobs sf-news vuln-dev webappsec Request more information about Pantek