Solved

disabling outbound email - sbs2003

Posted on 2008-11-03
12
301 Views
Last Modified: 2010-04-19
if i disable a user account in aduc will this stop the user being able to send outbound email? i am running a sbs2003 environment with xp workstations.
0
Comment
Question by:brad2000smith
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 7
  • 5
12 Comments
 
LVL 3

Expert Comment

by:Yossarian-22
ID: 22867437
If your SMTP-server requires authentication, then that particular user will not be able to send messages directly. The SMTP is the only weakness, since often administrators allow unauthenticated relaying from within the local network address range.
0
 
LVL 3

Expert Comment

by:Yossarian-22
ID: 22867455
Oh, and Exchange is also off limits for that user, because there the AD authentication is strictly enforced by the server.
0
 

Author Comment

by:brad2000smith
ID: 22867464
could you explain this please?  i need to stop certain users sending external email, and they currently have this available to them.
0
Free NetCrunch network monitor licenses!

Only on Experts-Exchange: Sign-up for a free-trial and we'll send you your permanent license!

Here is what you get: 30 Nodes | Unlimited Sensors | No Time Restrictions | Absolutely FREE!

Act now. This offer ends July 14, 2017.

 

Author Comment

by:brad2000smith
ID: 22867486
we are using exchange
0
 
LVL 3

Expert Comment

by:Yossarian-22
ID: 22867578
Your Exchange server uses the Exchange protocol that Outlook can connect to directly. Since you disabled the account, the user won't be able to send mails via Outlook anymore.
Your Exchange server also contains an SMTP server. If your user connects to this one directly, he may be able to send emails through the server. It depends on the settings of the SMTP-server. Often they are configured to relay without authentication from within the local network. Set your SMTP to accept only authenticated connections and this loophole is also closed. See http://support.microsoft.com/kb/823019
0
 

Author Comment

by:brad2000smith
ID: 22867625
ok, thats great.  i dont know if our SMTP server requires authentication but we use outlook and exchange, i have disabled the account in ADUC, so this should do the trick?
0
 
LVL 3

Expert Comment

by:Yossarian-22
ID: 22867672
0
 
LVL 3

Expert Comment

by:Yossarian-22
ID: 22867678
sorry, wrong post.
0
 
LVL 3

Expert Comment

by:Yossarian-22
ID: 22867697
Yes, disabling the user should do the trick - if your users access the Exchange server by Outlook and/or Outlook web access.
If they use Outlook express or another POP3/IMAP/SMTP client, they may be able to send emails, if your SMTP is not well configured as outlined before.
0
 

Author Comment

by:brad2000smith
ID: 22867709
ah anonymous access is ticked - under ESM>Administrative Groups>First Administrative Group>Servers>Server Name>Protocols>SMTP>Default SMTP Virtual Server>Properties>Access>Authentication>  along with basic authentication and integrated windows authentication.
0
 

Author Comment

by:brad2000smith
ID: 22867735
ok thank you. just needed to stop a user sending something they shouldnt be asap! thanks
0
 
LVL 3

Accepted Solution

by:
Yossarian-22 earned 500 total points
ID: 22867883
Then you should be on the safe side.
Just keep in mind to edit any software which uses the SMTP server now that you have disabled anonymous access. This could be an Adaptec raid-monitor or backup solution which sends out status reports.
0

Featured Post

Free Tool: Site Down Detector

Helpful to verify reports of your own downtime, or to double check a downed website you are trying to access.

One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

A lot of problems and solutions are available on the net for the error message "Source server does not meet minimum requirements for migration" while performing a migration from Small Business Server 2003 to SBS 2008. This error pops up just before …
I’m often asked about newer and larger USB drives connected to SBS2008 and 2011 failing Windows Server Backup vs the older USB drives not failing. As disk space continues to grow and drive technology change SBS2008 and some SBS2011 end up with the f…
In this video, viewers are given an introduction to using the Windows 10 Snipping Tool, how to quickly locate it when it's needed and also how make it always available with a single click of a mouse button, by pinning it to the Desktop Task Bar. Int…
This is my first video review of Microsoft Bookings, I will be doing a part two with a bit more information, but wanted to get this out to you folks.

695 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question