[fetchmail]Fetchmail and a Barracuda

[Timothy White]

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Nick Bellomy wrote:
> We've just recently deployed a Barracuda spam filtering device and have
> been quite pleased with its performance.  I've been tasked with finding
> a way to use the device to filter some of our clients home/isp email
> accounts.  I believe that I could use fetchmail to retrieve the messages
> via POP, change the To address from user@ISP.com to something like
> user_ISP.com@filteringservicedomain.com, and redeliver the message to
> the Barracuda filtering box.
> The Barracuda would then filter the mail and deliver to a mail server
> for filteringservicedomain.com.
> 
> Is this within the capabilities of fetchmail or am I a little off base.
> Would I be able to have fetchmail deliver to the Barracuda via SMTP or
> would it need to go through a local MTA?  Thanks for the help.
 From my fetchmail experience I think this should be possible. It would 
probably be best to try using fetchmail and a MTA to see if you can get 
it to send to another(external) address and then think about putting the 
Barracuda in as a mail filter on outgoing mail (from the MTA)
Play around with it and see what you can do.
As the fetchmailrc format is 'login_name is user here' I believe adds an
'Envelope-to' header but with some tweaks I am sure you can get it to 
change to To header instead, or have address rewriting after fetchmail.
e.g.
Fetchmail downloads message and sends it to a localuser (mail account 
only) who has a procmail script to send it to the real address.
Tim
p.s. I am a Linux user so if you are trying to do this on another OS I 
can't help you (except suggest Cygwin for Windows)
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