Re: [SAtalk] MX Values

2002-07-18 Thread Simon Lyall
On Thu, 18 Jul 2002, Martin Nile wrote: > Yes I see this on a regular basis. In my case the secondary MX forwards > to the spamassassin machine so most of it gets caught anyway. A > quick grep of the last 2 months of spam shows that 533 out of 6057 > spams came in via my secondary MX. I just c

Re: [SAtalk] MX Values

2002-07-18 Thread Vivek Khera
> "SE" == Steve Evans <[EMAIL PROTECTED]> writes: SE> I have SpamAssassin installed on Yoda but not SkyWalker. I'm receiving SE> spam and it is going through SkyWalker. Has anyone ever heard of SE> spammers purposely avoiding the higher MX value? It doesn't appear that SE> any non-spam is

Re: [SAtalk] MX Values

2002-07-18 Thread Theo Van Dinter
On Thu, Jul 18, 2002 at 10:10:53AM -0700, Craig R.Hughes wrote: > fallback". Unfortunately, the spammers have caught on to that > now. Well, it's also a good idea because if your backup mail server is run by your ISP or the like, they're much less likely to block open relays and such. Since yo

Re: [SAtalk] MX Values

2002-07-18 Thread Craig R . Hughes
Smarter spammers who are trying to avoid Postini etc. will also be smarter at avoiding our filters. C On Thursday, July 18, 2002, at 09:56 AM, Martin Nile wrote: > However it seems that a higher percentage of SPAM that slips in beneath > spamassassin came in via the secondary MX. -

Re: [SAtalk] MX Values

2002-07-18 Thread Craig R . Hughes
I think this is a side effect of the way Postini (and some others) do mail filtering for enterprises -- basically they sell a mail forwarding service, which you create as your low-score MX record, they scrub mail, then forward to your "real" mail server. The sales pitch says "If our service g

Re: [SAtalk] MX Values

2002-07-18 Thread Ross Vandegrift
On Thu, Jul 18, 2002 at 12:13:38PM -0400, Rick Macdougall wrote: > Yes I get that all the time myself. Instead of hitting the main (lower mx) > value, they always hit the higher MX value. Not much you can do about it > really, since the second mail server needs to accept the mail in case the > p

Re: [SAtalk] MX Values

2002-07-18 Thread Martin Nile
Yes I see this on a regular basis. In my case the secondary MX forwards to the spamassassin machine so most of it gets caught anyway. A quick grep of the last 2 months of spam shows that 533 out of 6057 spams came in via my secondary MX. However it seems that a higher percentage of SPAM that s

RE: [SAtalk] MX Values

2002-07-18 Thread Steve Thomas
> Has anyone ever heard of spammers purposely avoiding > the higher MX value? I've seen them do that, as well as try and connect to the host directly (i.e. example.com instead of mailhost1.example.com or mailhost2.example.com). St- --- This

Re: [SAtalk] MX Values

2002-07-18 Thread Rick Macdougall
Hi, Yes I get that all the time myself. Instead of hitting the main (lower mx) value, they always hit the higher MX value. Not much you can do about it really, since the second mail server needs to accept the mail in case the primary server is down. I've also seen my primary mail server refuse