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On 09/12/10 20:30, Karsten Bräckelmann wrote:
> On Thu, 2010-12-09 at 20:18 +0000, Cedric Knight wrote:
>> I noticed some bad false positives on email sent from certain web
>> servers that haven't (yet) been properly configured. For example, a
>> trusted header line starting:
> Ah, so they are operational, just poorly configured. That's what you
> just said in other words, right? :)
Yes, I was trying to think of a tactful way of putting it without
showing exasperation :). It appears that a client can easily set up
hosting using cPanel or something without ever setting the rDNS or
hostname to anything other than the numeric default.
I don't actually know if rDNS or hostname are directly under client
control, but I've advised senders to ask their hosting company to deal
> Anyway, why are *web* servers sending out mail at all? Other than maybe
> cron junk and friends, which would warrant bypassing SA or extending
> your internal network. If they are indeed intended to send out mail to
> third-parties, they better be configured properly first.
In the case that actually caused me to write, orders from a shop. Or it
might be running PHPList or CiviCRM or any CMS that authenticates users
>> Received: from 184.108.40.206.srvlist.ukfast.net
>> (220.127.116.11.srvlist.ukfast.net [18.104.22.168])
> Looks like a dynamic hostname indeed.
The "srv" might raise suspicions. In fact, I suppose it's not a totally
unreasonable form of rDNS for a large server farm, but personally I give
all the cows on my farm names.
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