[LUG] mail filtering

[mike@xxxxxxxxxxxxx]

G'day all,

I have the following...

internet
|
|
firewall---smtp protected network
|
|
smtp dmz



mail from the internet is forwarded to the dmz smtp
the dmz smtp runs spamassassin and some other filtering stuff, if the  
mail is passed it get sent to my mail smtp server in the protected  
zone.

The problem I have is that some spam is still getting through and I  
dont have a catchall email address.
So email that get sent to a non account gets bounced.
I noticed that I was replying to people with 505 User known which I  
don't really want to do.
Of course some of this is failing due to bogus domains and some is  
getting through.

What do others do? I was thinking of just /dev/nulling via a catchall.

I suppose I could validate email on the dmz smtp but didn;t want to go  
down that route.

Sugestions?

--
'ooroo

Mike...(:)-)
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Email: mike@xxxxxxxxxxxxx        o
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