Only allow mail from 1 server

[Steen, Glenn]

As far as I can see this would also be very simple to do with Postfix
(and who will chime in for exim&zmailer:) too.

But if your satisfied with sendmail and have no other compelling
reson to change, the FWing or tcpwrappers bits would be enough.

-- Glenn

> -----Original Message-----
> From: MailScanner mailing list 
> [mailto:MAILSCANNER at JISCMAIL.AC.UK] On Behalf Of Chris Stone
> Sent: den 1 december 2004 21:26
> To: MAILSCANNER at JISCMAIL.AC.UK
> Subject: Re: Only allow mail from 1 server
> 
> 
> I have this setup using qmail on the primary servers with 
> qmail-spp patch
> and a script (plugin through qmail-spp) to check the sending 
> mail server and
> if the connection if from an SMTP AUTH connection - works 
> quite well and
> keeps the spammers and viruses from doing an 'end-around' the 
> filtering
> servers running MailScanner.
> 
> 
> -----Original Message-----
> From: MailScanner mailing list 
> [mailto:MAILSCANNER at JISCMAIL.AC.UK] On Behalf
> Of Julian Field
> Sent: Wednesday, December 01, 2004 5:45 AM
> To: MAILSCANNER at JISCMAIL.AC.UK
> Subject: Re: Only allow mail from 1 server
> 
> No, not as far as I know. You need a firewall to protect it. If it's a
> Linux box then this is easy using IPtables (but don't ask me how).
> 
> Paul Houselander - SME wrote:
> 
> > Hi
> >
> > I have a machine running Mailscanner/Sendmail where users also pop
> > there mail off.
> >
> > I want to move MailScanner to a couple of machines that 
> scan the mail
> > then forward onto the box where the users actually pop 
> there mail off.
> >
> > Ill get rid of the current MX record for the POP machine 
> and create MX
> > records for the 2 MailScanner Machines. I want to ensure the POP
> > machine can only recieve mail from the 2 front end MailScanner
> > Machines. I guess I can use a firewall to only allowing incomming
> > connections from the 2 machines but is there a way you can achieve
> > this within sendmail?
> >
> 
> --
> 
> --
> Julian Field
> www.MailScanner.info
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