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Attachment blocking in Exchange/Outlook   Post Reply
  User Icon BiancaR

Newbie (1 Posts)
Newbie (1 Posts)

6/28/2002 7:37:33 PM


We are currently running Exchange 5.5 and Outlook 2000 on a Windows NT Server. Due to the security "upgrades" in Outlook 2000, all executable files are being blocked at the sender as well as the recipient. What this means is that we cant even send executable file types (including MS Office files) internally. Im looking for some control over this. So far all that Ive found is a white paper that involves setting up a public form to define the security. What the white paper doesnt mention is that the process is applied to the current user and you must be an administrator to apply it (an administrator cannot set it up for someone else due to the nature of the process). Now, I have seen vague references in Outlook help files that say that the Outlook rules can be managed from the Exchange server but Ive looked all through my 5.5 server and see no such option. Im wondering if it isnt referring to Exchange 2000. If anyone can offer some insight, I would appreciate it.

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  User Icon Section7

Frequent Poster (215 Posts)
Frequent Poster (215 Posts)

2/17/2003 3:55:39 PM


I had the same problem with exchange 5.5. The only thing i could think of was the fact that i updated office XP with the office update. If i find any more information on this problem i will post it on here.

Section 7
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  User Icon anakin66

Newbie (2 Posts)
Newbie (2 Posts)

2/28/2003 12:17:37 PM


The problem is caused by Outlook security blocked suspicious attachments. That does not mean all the attachments you send have the potential to be a ticking time bomb (actually it can, but you need to do some "independent research" on it). In MS Word documents, certain MACRO viruses (or virii) can hide inside them, so ASU IT has set up a filter to block certain file types (such as .vbs, .doc, .exe and etc). Therefore in this case, even though the sender thought attachment has gone out, but the receiver would not get the attachment. Of course the security filter on the receiver end has to participate in this as well.

If you really think this would be a hassle, you can get rid of the security feature in Outlook altogether:

By default, Outlook (part of MS Office) won't allow you send or receive certain types of attachments. The rationale is that these documents can contain viruses or other harmful code, but the fact that Outlook doesn't let you disable or at least customize this feature is just plain stupid. Here's how to do it:

1. Open the Registry Editor (type "regedit" at Run in Start Menu) .

2. Expand the branches to

"HKEY_CURRENT_USER\Software\Microsoft\Office\10.0\Outlook\Sec urity"

3. Create a new string value by selecting New and then String Value from the Edit menu.

4. Name the new value "Level1Remove".

5. Double-click the new "Level1Remove" to edit it, and enter the filename extensions you'd like to stop Outlook from blocking. Extensions should be typed in lower case, without the dots (.), and separated by semicolons (;). For example, type "exe;mdb;vbs" to allow .exe, .mdb, and .vbs attachments, respectfully.

6. Click Ok and then close the Registry Editor when you're done. You may have to restart Outlook for this change to take effect.

Note: I shouldn't have to tell you that this means you'll now be able to receive EXE files and other potentially harmful file types over email. Even though the majority of viruses are actually contained in Word documents (.doc files), you'll want to exercise some caution when opening any EXE files you subsequently receive.



This post was last edited by anakin66 on Wednesday, March 12, 2003 at 9:58:21 AM.
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  User Icon Section7

Frequent Poster (215 Posts)
Frequent Poster (215 Posts)

3/10/2003 9:49:56 PM




Thanks anakin66,

I will give that a try as it has been driving me crazy for a while. You would think microsoft would just put an off button in, but hey, where would the fun be in that Emoticon

This post was last edited by Section7 on Monday, March 10, 2003 at 9:51:11 PM.
Post Reply
  User Icon anakin66

Newbie (2 Posts)
Newbie (2 Posts)

3/12/2003 9:46:25 AM


One would think that. But then again. This is microsoft we are talking about Emoticon

    QUOTE:

    Originally Posted by Section7:


    Thanks anakin66,

    I will give that a try as it has been driving me crazy for a while. You would think microsoft would just put an off button in, but hey, where would the fun be in that Emoticon


Post Reply
  User Icon majiktyper

Newbie (1 Posts)
Newbie (1 Posts)

4/7/2003 7:09:25 PM




For those who arent tech savvy, and would like a simple solution to this, go tohttp://software.samik-inc.com

They have a small add-in for Outlook that places a button on the Outlook toolbar, which brings up an easy-to-use interface for choosing which types of files to allow/block in your attachments.


    QUOTE:

    Originally Posted by anakin66:
    One would think that. But then again. This is microsoft we are talking about Emoticon

      QUOTE:

      Originally Posted by Section7:


      Thanks anakin66,

      I will give that a try as it has been driving me crazy for a while. You would think microsoft would just put an off button in, but hey, where would the fun be in that Emoticon





Post Reply
  User Icon Section7

Frequent Poster (215 Posts)
Frequent Poster (215 Posts)

5/18/2003 4:37:41 PM


    QUOTE:

    Originally Posted by majiktyper:


    For those who arent tech savvy, and would like a simple solution to this, go tohttp://software.samik-inc.com

    They have a small add-in for Outlook that places a button on the Outlook toolbar, which brings up an easy-to-use interface for choosing which types of files to allow/block in your attachments.


      QUOTE:

      Originally Posted by anakin66:
      One would think that. But then again. This is microsoft we are talking about Emoticon

        QUOTE:

        Originally Posted by Section7:


        Thanks anakin66,

        I will give that a try as it has been driving me crazy for a while. You would think microsoft would just put an off button in, but hey, where would the fun be in that Emoticon











Cheers for the link, looks simple enough Emoticon
----------------------------------------------
Section 7
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  User Icon astorrs

Frequent Poster (168 Posts)
Frequent Poster (168 Posts)

5/20/2003 6:46:32 PM


This can also be done enterprise wide (which also allows you to define what is blocked and what isn't, rather than just turning it off) by following the steps defined in this KB article:

Administrator Information About the Outlook E-mail Security Update http://support.microsoft.com/default.aspx?scid=KB;en-us;q263297

Post Reply
  User Icon Gaks2000

Newbie (2 Posts)
Newbie (2 Posts)

7/18/2003 5:26:55 AM


I would like to know how i can block attachement with .exe .pdf extensions.in exchange server. Kindly get the procedure of doing so.
Post Reply
  User Icon Gaks2000

Newbie (2 Posts)
Newbie (2 Posts)

7/18/2003 5:33:03 AM


    QUOTE:

    Originally Posted by Gaks2000:
    I would like to know how i can block attachement with .exe .pdf extensions.in exchange server 2000. Kindly give me the step by step of dojng sovling my problem.


Post Reply
  User Icon glazenuts

Newbie (1 Posts)
Newbie (1 Posts)

2/21/2004 3:06:08 PM


Hello,

I tried your reg hack and I still can't send links using the IE/mail/senk link on the tool bar. What I'd really like and which maybe be asking too much, is to be able to send attachment and links/pages unencumbered as I was able to do before adding SP's. Any help is greatly appreciated.

Thanx in advance, Emoticon
----------------------------------------------
I started with nothing, I still have a little left.
Post Reply
  User Icon jdxx123

Newbie (1 Posts)
Newbie (1 Posts)

3/17/2005 2:21:51 AM


    QUOTE:

    Originally Posted by glazenuts:
    Hello,

    I tried your reg hack and I still can't send links using the IE/mail/senk link on the tool bar. What I'd really like and which maybe be asking too much, is to be able to send attachment and links/pages unencumbered as I was able to do before adding SP's. Any help is greatly appreciated.

    Thanx in advance, Emoticon




I know this is an old thread but Incase your all still around, I used the registry hack and worked perfectly for .MDB and .xls files. For the Internet mail send link, don't use it, it's just as easy to copy and paste the Url into a fresh email and you don't get the possible virus message and block junk.

JD
Post Reply
  User Icon fati2005

Newbie (2 Posts)
Newbie (2 Posts)

5/4/2005 7:43:02 AM



I have the same problem with MS Exchange 2000 and i was tried this reg with Microsoft Outlook 2003 in my computer (with Windows XP) but i still can't receive the .exe attachements:

1. Open the Registry Editor (type "regedit" at Run in Start Menu) .

2. Expand the branches to

"HKEY_CURRENT_USER\Software\Microsoft\Office\10.0\Outlook\Sec urity"

3. Create a new string value by selecting New and then String Value from the Edit menu.

4. Name the new value "Level1Remove".

5. Double-click the new "Level1Remove" to edit it, and enter the filename extensions you'd like to stop Outlook from blocking. Extensions should be typed in lower case, without the dots (.), and separated by semicolons (Emoticon. For example, type "exe;mdb;vbs" to allow .exe, .mdb, and .vbs attachments, respectfully.

6. Click Ok and then close the Registry Editor when you're done. You may have to restart Outlook for this change to take effect.



can you give me more help. thanks
Post Reply
  User Icon fati2005

Newbie (2 Posts)
Newbie (2 Posts)

5/4/2005 8:08:33 AM


I try to download this toolbar but i can't : this site is not exist
http://software.samik-inc.com

can i find this toolbar in another site
Post Reply
  User Icon dantheman

Newbie (1 Posts)
Newbie (1 Posts)

5/18/2005 4:53:30 PM


Thanks for the help. I was wondering why I couldn't find a "button" or some other means of shutting parts of this feature. Thanks too to Google for allowing me to reach someone out there. I'll be damned if I could find the answer on MS's site.
    QUOTE:

    Originally Posted by anakin66:
    The problem is caused by Outlook security blocked suspicious attachments. That does not mean all the attachments you send have the potential to be a ticking time bomb (actually it can, but you need to do some "independent research" on it). In MS Word documents, certain MACRO viruses (or virii) can hide inside them, so ASU IT h@sset up a filter to block certain file types (such as .vbs, .doc, .exe and etc). Therefore in this case, even though the sender thought attachment has gone out, but the receiver would not get the attachment. Of course the security filter on the receiver end has to participate in this as well.

    If you really think this would be a h@ssle, you can get rid of the security feature in Outlook altogether:

    By default, Outlook (part of MS Office) won't allow you send or receive certain types of attachments. The rationale is that these documents can contain viruses or other harmful code, but the fact that Outlook doesn't let you disable or at least customize this feature is just plain stupid. Here's how to do it:

    1. Open the Registry Editor (type "regedit" at Run in Start Menu) .

    2. Expand the branches to

    "HKEY_CURRENT_USER\Software\Microsoft\Office\10.0\Outlook\Sec urity"

    3. Create a new string value by selecting New and then String Value from the Edit menu.

    4. Name the new value "Level1Remove".

    5. Double-click the new "Level1Remove" to edit it, and enter the filename extensions you'd like to stop Outlook from blocking. Extensions should be typed in lower case, without the dots (.), and separated by semicolons (Emoticon. For example, type "exe;mdb;vbs" to allow .exe, .mdb, and .vbs attachments, respectfully.

    6. Click Ok and then close the Registry Editor when you're done. You may have to restart Outlook for this change to take effect.

    Note: I shouldn't have to tell you that this means you'll now be able to receive EXE files and other potentially harmful file types over email. Even though the majority of viruses are actually contained in Word documents (.doc files), you'll want to exercise some caution when opening any EXE files you subsequently receive.




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