RE: SPF problem: was RE: Publishing an Exchange Server and email still going out through the default IP
- From: "Greg Mulholland" <gmulholland@xxxxxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Fri, 3 Jun 2005 09:12:21 +1000
I agree with Ray
Our clients are primarily Trend and GFI. Both of those are workable
indeed but i gotta say the Linux relay has not missed a beat since Moses
was a boy. I have one loaded a home, took me not much time at all to
learn it and get it working but the experience is recommended. To the
extent now that i am building them to provide a lower cost option for
some of our clients. And remote management via ssh is all good. Plenty
of documentation on how to set them up, try it at home even on a vmware
machine. You would surprised how easy it is to do, (yum install postfix,
yum install spamassassin etc) unless you want to compile it all yourself
which is much more fun :)
Greg Mulholland
Clear IT
Level 10, 530 Little Collins Street
Melbourne, VIC 3000
Ph: (03) 99097411 Fax: (03) 99097091
________________________________
From: Ray Dzek [mailto:Ray.Dzek@xxxxxxxxxxxxxxx]
Sent: Friday, 3 June 2005 9:00 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: SPF problem: was RE: Publishing an Exchange
Server and email still going out through the default IP
http://www.ISAserver.org
linux is certainly no worse than figuring out ISA2004 policy rules :)
Our Red Hat 9 + Postfix Mail relay was running on a 500mhz P-III with a
10GB IDE HD. It ran for almost 2 years non-stop. I recently upgraded
to a decomissioned Dell server. Dual 667 and SCSI. Our mail volume has
increased and I wanted the SCSI performance. But it wasn't a mandatory
upgrade.
We have the added benefit of using SpamAssassin and other neat tools to
scrub some of the trash out of the mail stream before it ever touches
our Exchange environment.
Once it is up and running, you rarely touch it.
Learning something besides MS is a good thing.
Since when is anything in our network environment not a hack?
________________________________
From: Bryan D. Andrews [mailto:bandrews@xxxxxxxxxxxxx]
Sent: Wednesday, June 01, 2005 10:16 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: SPF problem: was RE: Publishing an Exchange
Server and email still going out through the default IP
http://www.ISAserver.org
That assumes the following:
* That there is someone who knows linux
* That there is an extra workstation
* That they want another point of failure for email
* That they want to spend the time configuring this
I just feel like this is a hack and it should not be this way.
Might be out of luck huh....?
-----Original Message-----
From: Steve Moffat [mailto:steve@xxxxxxxxxx]
Sent: Wednesday, June 01, 2005 9:50 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: SPF problem: was RE: Publishing an Exchange
Server and email still going out through the default IP
http://www.ISAserver.org
Can't they afford an old workstation, with freebie Linux, and one of the
many flavours of mailserver available???
S
-----Original Message-----
From: Bryan D. Andrews [mailto:bandrews@xxxxxxxxxxxxx]
Sent: Wednesday, June 01, 2005 10:33 AM
To: ISA Mailing List
Subject: [isalist] RE: SPF problem: was RE: Publishing an Exchange
Server and email still going out through the default IP
http://www.ISAserver.org
Hehe - that is what I am saying... a relay server is not an option at
this point.
I guess I am really trying to find out if there is any movement on this
issue at MS? Or will there be? I know this group would know if there
was... :)
Does checkpoint or other popular firewalls have this issue? I would
think the answer is no.
This should be taken seriously considering the SenderID. Not every
company can afford to create relay servers in a dmz.
Thanks Tom for the reply.
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