[cobalt-users] Email Relay - Regular Expressions

["cobalt raq4" <cobalt_list@xxxxxxxxxxx>]

Hi all
simple(ish) question: server: raq4

We have an ADSL connection to our office, our web servers are all remotely 
hosted. Recently our ADSL has been going down on a regular basis, 4 times in 
about 6 working days!

The only thing we can do is swap the office over to a dial up connection. 
This changes the external IP Address of our office and screws amongst other 
things our email relay. We have this set so emails can only be sent from our 
office.
(only accepts mail from the IP of our office router)

When swopping over we have to add the IP dished out by the ISP to the 'relay 
for following domains' setting in the raq gui.

Is it possible for me to use a regular expression in this box?

I know the format of the ip is allways xxx.xxx.xxx.??? so I could have a 
regular expression along the lines of xxx.xxx.xxx.[0-9]{0,3} where the xxx 
fields are the known elements of the IP address.

Is this possible or will this screw things up?
Thanks all
Marcus

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