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Re: [OCLUG-Tech] Fwd: Fwd: Undelivered Mail Returned to Sender

  • Subject: Re: [OCLUG-Tech] Fwd: Fwd: Undelivered Mail Returned to Sender
  • From: Richard Guy Briggs <rgb [ at ] tricolour [ dot ] net>
  • Date: Sun, 1 Aug 2010 22:30:39 -0400
On Sat, Jul 31, 2010 at 05:07:11PM +0000, Lisa wrote:
> Thank you Dave, for your help with this.  There's been some discussion
> by the Board, actually, that both hardware and much of the software on
> Tux need upgrading.

We have been donated a replacement for tux: Peter Sjoberg gave us a Dell
PowerEdge 1800 with two 250GB SATA disks (3GHz?, 2GB?).  I've been
playing around with trying to get software raid 1/dm-crypt/lvm booting
on it.

It is in my rack.

> IMHO, this issue unfortunately shows that there is far too much
> complexity in our current setup.  The difficulty we've had in
> determining who administers what, and emergency preparedness, for me
> has served as a disturbing wake-up call.  I would be all for
> offloading some functionality to reliable outside sources as you
> suggest, and documenting as we go so we have a clear action plan in
> case things really go awry.
> 
> I say the less items we have to stay on top of, the better.  If we can
> offload the mailing list functionality altogether, or use a single
> piece of software to accomplish this along with other services/needs,
> all the better.
> 
> Still reading...
> 
> Lisa
> Sent from my BlackBerry device on the Rogers Wireless Network
> 
> -----Original Message-----
> From: "Dave O'Neill" <dmo+oclug [ at ] dmo [ dot ] ca>
> Date: Sat, 31 Jul 2010 07:55:48 
> To: Lisa L<exexpat2 [ at ] gmail [ dot ] com>
> Cc: Prof. John C Nash<nashjc [ at ] uottawa [ dot ] ca>; Brenda J. Butler<bjb [ at ] credil [ dot ] org>; linux<linux [ at ] lists [ dot ] oclug [ dot ] on [ dot ] ca>; Mike<kenziem [ at ] sympatico [ dot ] ca>; Eric Brackenbury<eric [ dot ] brackenbury [ at ] gmail [ dot ] com>; R RENAUD<rjrenaud [ at ] rogers [ dot ] com>; John Sebastien Taylor<johnsebastientaylor [ at ] gmail [ dot ] com>
> Subject: Re: [OCLUG-Tech] Fwd: Fwd: Undelivered Mail Returned to Sender
> 
> On Fri, Jul 30, 2010 at 05:54:34PM -0400, Lisa L wrote:
> > I'll paste below the contents of the files John sent.  To me, it
> > appears to be a Viagra ad coming from a host in Spain, with a link to
> > a website in Russia.  What we're trying to determine is whether (1)
> > Tux has been compromised by crackers and is being exploited as a spam
> > relay, (2) we are receiving this message in error because Tux' mail
> > server has been configured to relay Board messages, and the error was
> > intended for the spammer, or (3) something went awry with Google's
> > Gmail servers.  Note, 204.225.221.10 is Tux' IP.
> 
> Based on the headers in that message, it looks like it's partly (2) -- 
> the spammer is sending to board-members [ at ] oclug [ dot ] on [ dot ] ca, and Tux is just 
> expanding the alias and relaying the mail onwards.  However, you're not 
> receiving the rejection messages in error, exactly, because as far as 
> Google cares, you're contributing to the spam problem by not blocking 
> the original instead of passing it on.  Servers that relay mail are 
> responsible for the mail they emit, even if they didn't originate it.
> 
> I'd suggest that someone needs to upgrade the spam filtering on Tux... 
> if the header added is correct, you're running SpamAssassin 3.1.7, which 
> is pretty much an antique as far as spam filtering goes -- it's almost 4 
> years old.  Version 3.3.1 has been out since March 2010.  I'm guessing 
> that Tux is running something outdated (etch, or perhaps sarge), as 
> stock Debian Lenny has 3.2.5, with 3.3.1 being available from backports.
> 
> It might be possible for me to set up free hosted antispam for OCLUG 
> through my employer, if you're interested.  It would remove the need to 
> have someone maintain cutting-edge-current inbound spam filtering on 
> Tux.  I can find out on Tuesday if this is possible (unless David is 
> still reading linux@... and would like to respond).
> 
> Cheers,
> Dave
> _______________________________________________
> Linux mailing list
> Linux [ at ] lists [ dot ] oclug [ dot ] on [ dot ] ca
> http://oclug.on.ca/mailman/listinfo/linux

	slainte mhath, RGB

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