> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Gary Steeley
> Sent: Monday, August 13, 2001 11:01 AM
> To: [EMAIL PROTECTED]
> Subject: RE: [IMail Forum] Ports used by IMail.
> 
> 
> If you are behind a firewall, you can configure it to only block incoming
> traffic on certain ports but still allow outgoing traffic.  
> TCP/IP filtering
> on the NIC in NT doesn't give you this flexibility.


So that's why this port thing never worked. Thanks!

John Cesta


> 
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of John Cesta -
> Lists
> Sent: Monday, August 13, 2001 10:54 AM
> To: [EMAIL PROTECTED]
> Subject: RE: [IMail Forum] Ports used by IMail.
> 
> 
> 
> 
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED]]On Behalf Of Len Conrad
> > Sent: Monday, August 13, 2001 10:36 AM
> > To: [EMAIL PROTECTED]
> > Subject: RE: [IMail Forum] Ports used by IMail.
> >
> >
> >
> > >What it means is that we have closed all ports in TCPIP with 
> exception of
> > >the standard ports for web, dns, ftp and all the listed ports in the
> > >ipswitch knowledge base article. After that we could not send
> > mail through
> > >the server.
> >
> > you have to open all outgoing above 1024, since SMTP serevers
> > send out the
> > high ports to the 25 of the recipient machine.
> >
> > same idea for DNS unless you use options source-address
> 
> hmmm..so there really isn't a chance of actually locking down too 
> many ports
> in NT.
> 
> John Cesta
> 
> 
> >
> > Len
> >
> > http://MenAndMice.com/DNS-training
> > http://BIND8NT.MEIway.com : ISC BIND 8.2.4 for NT4 & W2K
> > http://IMGate.MEIway.com  : Build free, hi-perf, anti-abuse 
> mail gateways
> >
> >
> > Please visit http://www.ipswitch.com/support/mailing-lists.html
> > to be removed from this list.
> >
> > An Archive of this list is available at:
> > http://www.mail-archive.com/imail_forum%40list.ipswitch.com/
> >
> 
> 
> Please visit http://www.ipswitch.com/support/mailing-lists.html
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