Monitoring e-mails by TCP

[sonjaya]

if you connection good link may be like this : 

1. create mail server in u bsd 
LAN---mailserver--firewall-- internet 
every clien set smtp to mailserver

2.If you don't want create mail server n still need
outside my server :
LAN -- firewall plus SMTP-- internet   
every clien set smtp to firewall 
3. if you connection slow : 
LAN ---(fetchmail+SMTP+firewall)--- internet 
You set fetchmail to download email from you hosting
email and set your client to retrive n send  email
from you firewall. 

ps: mail server ( Postfix, qmail, sendmail etc )

> Hi,
> 
>   I'm very newbie  on freeBSD.
>   I have already installed the Firewall(ipfw) + NAT,
> Squid + Sarg and 
> Apache Http Server, and is working pretty well! :-)
>   Now I have a need, and I don't know if I can do it
> with a  BSD solution!
> 
>   My e-mail server is outside of my network, is a
> comercial mail server.
>   But, my e-mail trafic pass through a BSD server,
> the one I've 
> mentioned before.
> 
>   So, what do I need to do?
>   I need to make a copy of all received and
> delivered e-mail through my 
> network!
>   Is this possible? Is there a sofware (free or
> not), or a firewall 
> configuration to do it?
>   I think it would be a kind of TCP monitor on 
> ports 25 and 110, like 
> some antivirus that scan e-mail trafic looking for
> virus!
> 
>   Any help is welcome!
> 
> Best regard for all.
> Rodrigo Souza
> Sao Paulo - Brazil
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My Regard's

SONJAYA