Re: Securing email by inhibiting urls

[Kurt Buff <kurt.buff () gmail com>]

mimedefang comes to mind.

http://mimedefang.org

On Mon, Aug 1, 2011 at 11:46, Chris <chughes () l8c com> wrote:
> A company I work for has been having great difficulty in securing against
> email attacks.  So far we have disabled access to webmail, implemented
> rules and processes to block freemail services like hotmail etc until the
> sender registers the address and of course a spam filter (BrightMail).
> Attachment filtering is pretty strict as well.
>
>
>
> The threat that presents the biggest challenge is url links in emails.  The
> common method of attack is an email from somedomain.com where they change
> one character or otherwise make the address look valid (ie:
> joe () s0medomain com or j0e () somedomain com etc).
>
>
>
> I was looking for a way to spot and block hyperlinks but it looks like the
> only option I have is to filter on these and send them to a spam bin.  I’d
> rather yank the offending hyperlink and replace it with a message of some
> sort.  Unfortunately BrightMail doesn’t offer that capability.
>
>
>
> Any products that do this or ideas on a solution?
>
>
>
> Thanks
>
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