Re: Blocking Outlook External POP/SMTP

[Gareth Fletcher <gareth.fletcher () gmail com>]

If you have McAfee ePO installed you can creat an access protection  
rule to prevent certain processes eg Outlook.exe from connecting to  
explicit remote ports. Only problem is you can't exclude remote IPs  
(like a legitimate imap server) but if that's ok...

Perhaps there is something similar from your AV vendor (if it's  
different, like symantec endpoint protection?). Firewall rule will  
work but not if user is offsite.

Hope this helps
GF

Sent from iPhone

On 12/03/2010, at 10:40 AM, "Hart, Lee Anne" <LeeAnne.Hart () montgomerycollege edu 
> wrote:

> Hello,
>
> I'm looking for information on preventing/prohibiting users from  
> utilizing
> Outlook (at work) to retrieve their personal email from Gmail, AOL,  
> Yahoo,
> Comcast, Verizon, etc.
>
> Looking for the following:
>
> * Reasons why users should not be allowed to use Outlook on their work
> computers to retrieve their personal email.
>
> * Tools/techniques to block this type of traffic. It seems the most  
> common
> ports are 110, 465, 587, 993, and 995. Are there others?
>
> Any reference are much appreciated.
>
> Thank you!
> Lee Anne

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