Re: Edit the list of blocked attachments

HI,

Thanks for updates.

>From your description, it seems you want to know how to block spam emails,
according to my research, none of the Exchange filter will be apply to SBS
server for POP3 spam emails, we can only block the after the emails arrive
on the Exchange server, here I would like to give you some suggestion on
how to block spam emails on Exchange server side:

If you just want to block the email from special senders, you can refer to
my suggestions below to check it:

1. Please check SMTP virtual server, right click it to choose properties.
2. In the access tab, then choose connection control, add the domain you
want to allow to access the SMTP virtual server
3. Please also check the properties of Message Deliver, you can also set
the rules there. ( You can check the message deliver properties by Opening
Exchange System Management->Global setting->Message deliver.)

We also have a good anti-spam free software called IMF, please refer the
information below:

Microsoft Exchange Intelligent Message Filter Deployment Guide
http://www.microsoft.com/technet/prodtechnol/exchange/2003/library/imfdeploy
mspx

If you installed ISA on your SBS 2003, I suggest you check if you have set
some restrictions on ISA SMTP filtering rules:

SMTP filtering functions
http://www.microsoft.com/resources/documentation/isa/2000/enterprise/proddoc
s/en-us/isadocs/cmt_smtpfilter.mspx

Thanks for your efforts in this issue, if you have any further concern,
please feel free to post back. I am glad to be of assistance.



Best regards,

Charles Yang (MSFT)

Microsoft CSS Online Newsgroup Support

Get Secure! - www.microsoft.com/security

======================================================
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check http://support.microsoft.com for regional support phone numbers.

Any input or comments in this thread are highly appreciated.
======================================================
This posting is provided "AS IS" with no warranties, and confers no rights.


=====================================================
When responding to posts, please "Reply to Group" via your newsreader so
that others may learn and benefit from your issue.
=====================================================

This posting is provided "AS IS" with no warranties, and confers no rights.

--------------------
| Reply-To: "susantha silva" <susanthasilva@xxxxxxxxxxx>
| From: "susantha silva" <susanthasilva@xxxxxxxxxxx>
| References: <2jFsf.334$uv4.172@xxxxxxxxxxxx>
<WoaV1tBDGHA.1236@xxxxxxxxxxxxxxxxxxxxx>
<eX2JFcEDGHA.312@xxxxxxxxxxxxxxxxxxxx>
<keGb7hdEGHA.1236@xxxxxxxxxxxxxxxxxxxxx>
| Subject: Re: Edit the list of blocked attachments
| Date: Fri, 6 Jan 2006 09:43:39 -0000
| Lines: 287
| X-Priority: 3
| X-MSMail-Priority: Normal
| X-Newsreader: Microsoft Outlook Express 6.00.2900.2180
| X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180
| X-RFC2646: Format=Flowed; Original
| Message-ID: <uUHAuWqEGHA.3612@xxxxxxxxxxxxxxxxxxxx>
| Newsgroups: microsoft.public.windows.server.sbs
| NNTP-Posting-Host: 135.196.11.229
| Path: TK2MSFTNGXA02.phx.gbl!TK2MSFTNGP08.phx.gbl!TK2MSFTNGP11.phx.gbl
| Xref: TK2MSFTNGXA02.phx.gbl microsoft.public.windows.server.sbs:234547
| X-Tomcat-NG: microsoft.public.windows.server.sbs
|
| Hi,
|
| Actually I can't use SMTP or MX record things because this is a branch
| office and in the ISP side they have a global POP3 account. SO branch can
| only retrieve mails relevant to users in that office. The client is
having a
| static IP for the server. 'm using the built in POP3 connector in the SBS
| server. If I can find a way to fitter that incoming mails to that
connector
| it will save lot of their time rather than reading or deleting spam
e-mails.
| I can advise them to use the spam filter in the Outlook but I'm looking
one
| step ahead method and do it in the server side before reaching the
clients
| machines.
|
| Thanks everyone for all of your support. I really appreciate if someone
can
| give ma solution for this matter.
| ""Charles Yang [MSFT]"" <v-chayan@xxxxxxxxxxxxxxxxxxxx> wrote in message
| news:keGb7hdEGHA.1236@xxxxxxxxxxxxxxxxxxxxxxxx
| > HI,
| >
| > Thanks for emails.
| >
| > We want to know, if you still have any further concerns on this issue. I
| > will also forward this request to our Dev team to see
| > if we can make some changing on the new version.
| >
| > Aagain thanks for your effort here.
| >
| >
| > Best regards,
| >
| > Charles Yang (MSFT)
| >
| > Microsoft CSS Online Newsgroup Support
| >
| > Get Secure! - www.microsoft.com/security
| >
| > ======================================================
| > This newsgroup only focuses on SBS technical issues. If you have issues
| > regarding other Microsoft products, you'd better post in the
corresponding
| > newsgroups so that they can be resolved in an efficient and timely
manner.
| > You can locate the newsgroup here:
| > http://www.microsoft.com/communities/newsgroups/en-us/default.aspx
| >
| > When opening a new thread via the web interface, we recommend you check
| > the
| > "Notify me of replies" box to receive e-mail notifications when there
are
| > any updates in your thread. When responding to posts via your
newsreader,
| > please "Reply to Group" so that others may learn and benefit from your
| > issue.
| >
| > Microsoft engineers can only focus on one issue per thread. Although we
| > provide other information for your reference, we recommend you post
| > different incidents in different threads to keep the thread clean. In
| > doing
| > so, it will ensure your issues are resolved in a timely manner.
| >
| > For urgent issues, you may want to contact Microsoft CSS directly.
Please
| > check http://support.microsoft.com for regional support phone numbers.
| >
| > Any input or comments in this thread are highly appreciated.
| > ======================================================
| > This posting is provided "AS IS" with no warranties, and confers no
| > rights.
| >
| >
| > =====================================================
| > When responding to posts, please "Reply to Group" via your newsreader so
| > that others may learn and benefit from your issue.
| > =====================================================
| >
| > This posting is provided "AS IS" with no warranties, and confers no
| > rights.
| >
| > --------------------
| > | Date: Wed, 28 Dec 2005 23:11:55 -0800
| > | From: "Susan Bradley, CPA aka Ebitz - SBS Rocks [MVP]"
| > <sbradcpa@xxxxxxxxxxx>
| > | User-Agent: Mozilla Thunderbird 1.0.7 (Windows/20050923)
| > | X-Accept-Language: en-us, en
| > | MIME-Version: 1.0
| > | Subject: Re: Edit the list of blocked attachments
| > | References: <2jFsf.334$uv4.172@xxxxxxxxxxxx>
| > <WoaV1tBDGHA.1236@xxxxxxxxxxxxxxxxxxxxx>
| > | In-Reply-To: <WoaV1tBDGHA.1236@xxxxxxxxxxxxxxxxxxxxx>
| > | Content-Type: text/plain; charset=ISO-8859-1; format=flowed
| > | Content-Transfer-Encoding: 7bit
| > | Message-ID: <eX2JFcEDGHA.312@xxxxxxxxxxxxxxxxxxxx>
| > | Newsgroups: microsoft.public.windows.server.sbs
| > | NNTP-Posting-Host: ppp-69-228-13-47.dsl.frsn01.pacbell.net
69.228.13.47
| > | Lines: 1
| > | Path: TK2MSFTNGXA02.phx.gbl!TK2MSFTNGP08.phx.gbl!TK2MSFTNGP09.phx.gbl
| > | Xref: TK2MSFTNGXA02.phx.gbl microsoft.public.windows.server.sbs:232890
| > | X-Tomcat-NG: microsoft.public.windows.server.sbs
| > |
| > | E-Bitz - SBS MVP the Official Blog of the SBS "Diva" : Blocking those
| > | WMF's at the email border:
| > | http://msmvps.com/blogs/bradley/archive/2005/12/28/79925.aspx
| > |
| > |
| > | Charles Yang [MSFT] wrote:
| > | > HI Rolf,
| > | >
| > | > Welcome to SBS newsgroup.
| > | >
| > | > Issue description:
| > | > ==========
| > | >
| > | > I understand that you want to edit the list of blocked attachments
by
| > the
| > | > Exchange server.
| > | >
| > | > Analyzing and suggestion:
| > | > ==========
| > | >
| > | > Generally speaking, we have two method to edit the attachment block
| > list on
| > | > SBS 2003, we recommend use CEICW, although it might be a little long
| > | > process, but it is convenient for us to do that.
| > | >
| > | > Here I will list these two methods for you:
| > | >
| > | > You can rerun CEICW and disable the attachment removing. SBS 2003
| > registers
| > | > an Event sink in Exchange which can remove particular unsafe
| > attachments.
| > | > You can reconfigure the CEICW with the following steps:
| > | >
| > | > 1. Open Server Management console. Navigate to ''Internet and
E-mail''
| > | > snap-in. In the right panel, click ''Connect to the Internet''.
| > | >
| > | > 2. The CEICW will initiate. In the wizard, select ''Do not change
| > | > connection type''->''Do not change firewall configuration''->''Do
not
| > | > change current Web server certificate''->''Enable Internet
| > e-mail''->Follow
| > | > the wizard to properly configure the e-mail settings->In ''Remove
| > E-mail
| > | > Attachments'' window, uncheck the attachment types which you do not
| > want
| > | > block. Also, you can disable the attachment removing feature-> Click
| > | > ''Next'' to finish the wizard.
| > | >
| > | > After doing the above steps, the attachment will not be removed by
SBS
| > | > server.
| > | >
| > | > If you want to see these attachments in OWA, you may also need to
| > modify
| > | > the registry with the following steps:
| > | >
| > | > 1. Go to the SBS server, click Start-->Run-->Type ''''regedit''''
| > (without
| > | > quotation marks) and press Enter.
| > | >
| > | > 2. Under the
| > | >
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeWeb\Owa
| > key,
| > | > we can see the following registry keys:
| > | >
| > | > Level1FileTypes
| > | > Level2FileTypes
| > | >
| > | > NOTE: level1file type cannot be accessed in OWA. Level2files can be
| > | > downloaded but cannot be opened directly.
| > | >
| > | > 3. Please remove the "exe," (without quotation marks) from the
| > | > Level1FileTypes and Level2FileTypes keys. (only an example, you can
| > remove
| > | > the attachment type that are blocked by OWA from here.
| > | >
| > | > 4. Start-->Run-->Type ''''iisreset'''' (without quotation marks) and
| > press
| > | > Enter.
| > | >
| > | > Of course, you can install some additional tools for the Exchange
2003
| > | > server to do that, please also refer to the KB article below:
| > | >
| > | > 829982 Cannot open attachments in Microsoft Outlook
| > | > http://support.microsoft.com/?id=829982
| > | >
| > | >
| > | >
| > | > More info:
| > | > ==========
| > | >
| > | > 290499 Administrator information about e-mail security features
| > | > http://support.microsoft.com/?id=290499
| > | >
| > | >
| > | > I appreciate your understanding on this issue, in the meantime, if
you
| > have
| > | > any further concerns, please let me know. I am glad to be any
further
| > | > updates.
| > | >
| > | >
| > | >
| > | > Best regards,
| > | >
| > | > Charles Yang (MSFT)
| > | >
| > | > Microsoft CSS Online Newsgroup Support
| > | >
| > | > Get Secure! - www.microsoft.com/security
| > | >
| > | > ======================================================
| > | > This newsgroup only focuses on SBS technical issues. If you have
| > issues
| > | > regarding other Microsoft products, you'd better post in the
| > corresponding
| > | > newsgroups so that they can be resolved in an efficient and timely
| > manner.
| > | > You can locate the newsgroup here:
| > | > http://www.microsoft.com/communities/newsgroups/en-us/default.aspx
| > | >
| > | > When opening a new thread via the web interface, we recommend you
| > check
| > the
| > | > "Notify me of replies" box to receive e-mail notifications when
there
| > are
| > | > any updates in your thread. When responding to posts via your
| > newsreader,
| > | > please "Reply to Group" so that others may learn and benefit from
your
| > | > issue.
| > | >
| > | > Microsoft engineers can only focus on one issue per thread.
Although
| > we
| > | > provide other information for your reference, we recommend you post
| > | > different incidents in different threads to keep the thread clean.
In
| > doing
| > | > so, it will ensure your issues are resolved in a timely manner.
| > | >
| > | > For urgent issues, you may want to contact Microsoft CSS directly.
| > Please
| > | > check http://support.microsoft.com for regional support phone
numbers.
| > | >
| > | > Any input or comments in this thread are highly appreciated.
| > | > ======================================================
| > | > This posting is provided "AS IS" with no warranties, and confers no
| > rights.
| > | >
| > | >
| > | > =====================================================
| > | > When responding to posts, please "Reply to Group" via your
newsreader
| > so
| > | > that others may learn and benefit from your issue.
| > | > =====================================================
| > | >
| > | > This posting is provided "AS IS" with no warranties, and confers no
| > rights.
| > | >
| > | > --------------------
| > | > | From: Rolf Lange <rlange@xxxxxxxxxxxxxxxxx>
| > | > | Reply-To: rlange@xxxxxxxxxxxxxxxxx
| > | > | User-Agent: Mozilla Thunderbird 1.0.7 (Windows/20050923)
| > | > | X-Accept-Language: en-us, en
| > | > | MIME-Version: 1.0
| > | > | Newsgroups: microsoft.public.windows.server.sbs
| > | > | Subject: Edit the list of blocked attachments
| > | > | Content-Type: text/plain; charset=ISO-8859-1; format=flowed
| > | > | Content-Transfer-Encoding: 7bit
| > | > | Lines: 5
| > | > | Message-ID: <2jFsf.334$uv4.172@xxxxxxxxxxxx>
| > | > | X-Complaints-To: abuse@xxxxxxxxxxxxxxxxxxxxxxx
| > | > | NNTP-Posting-Date: Wed, 28 Dec 2005 16:35:26 MST
| > | > | Organization: Newsgroups-Download.com
| > | > | Date: Thu, 29 Dec 2005 00:35:26 +0100
| > | > | Path:
| > | >
| >
TK2MSFTNGXA02.phx.gbl!TK2MSFTNGP08.phx.gbl!newsfeed00.sul.t-online.de!t-onli
| > | >
| >
ne.de!npeer.de.kpn-eurorings.net!news.tele.dk!news.tele.dk!small.news.tele.d
| > | >
| >
k!news.astraweb.com!newsrouter-eu.astraweb.com!hwmnpeer01.ams!hw-filter.ams!
| > | > newsfe07.ams.POSTED!d9674676!not-for-mail
| > | > | Xref: TK2MSFTNGXA02.phx.gbl
| > microsoft.public.windows.server.sbs:232843
| > | > | X-Tomcat-NG: microsoft.public.windows.server.sbs
| > | > |
| > | > | On SBS 2003, how can I edit the list of blocked attachments by the
| > | > | Exchange Server? Do I have to rerun the CEICW wizard for every
| > change?
| > | > |
| > | > | Thanks for your help.
| > | > | Rolf
| > | > |
| > | >
| > |
| >
|
|
|

.

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