OT: IP address reputation, BorderWare

Dennis Willson taz at taz-mania.com
Fri Mar 23 22:56:23 CET 2007

Except in SMF-SAV it doesn't call back with <>. There is an entry in 
the config where you put the 'from' address. Last time I tried, it 
complained and would not start if I set that to blank (<>).

On Fri, 23 Mar 2007 12:22:04 -0400
  DAve <dave.list at pixelhammer.com> wrote:
>Dennis Willson wrote:
>>Why yes, I know how SAV handles greylisting.
>>When SAV receives a temp failure, SAV returns a temp failure. A real 
>>mail server will try again later which will cause SAV to verify again 
>>when the sending server retrys. This works just fine. However, if you 
>>run greylisting too, this adds a double delay on th delivery of the 
>We have several real mail servers, they all retry within 30 minutes. 
>My question was would the tuple expire from the greylist DB *before* 
>the retry took place. Checking the SAV archives and then the config 
>for milter-greylist I see this,
># This option attempts to make milter-greylist more
># friendly with sender callback systems. When the
># message is from <>, it will be temporarily
># rejected at the DATA stage instead of the RCPT
># stage of the SMTP transaction. In the case of a
># multi recipient DSN, whitelisted recipient will
># not be honoured.
>So milter-greylist is already making exceptions so we don't break 
>SAV. That is good to know, though we hadn't any complaints.
>>I can live with that.
>>DAve wrote:
>>>Chris Yuzik wrote:
>>>>Res wrote:
>>>>>The key here, you spoke to a salesman.
>>>>Heh. It could have been worse...I might have talked to a marketing 
>>>>guy. ;-)
>>>>>Many ISP's are doing this and it upsets their stats so of course 
>>>>>they dont want you to use it. Word gets around that it does this, 
>>>>>more people will shy away from their product, they dont care at all 
>>>>>about you protecting your users...unless you buy and use their 
>>>>>Keep using the milter.
>>>>Apparently, Matt is working on a modification to SMF-SAV that will 
>>>>change the order of the checks so that the sender is only verified IF 
>>>>they're sending to a real recipient on our end. As soon as that comes 
>>>>out, we'll implement that.
>>>Does anyone know how greylisting affects milter-sav? What happens 
>>>I send an email to you and you attempt to verify me, and I greylist 
>>>your attempt? You surely don't try to hold my delivery connection for 
>>>5 minutes waiting to try again do you?
>>>If you refuse the delivery, I'll try again later and the whole cycle 
>>>would begin anew because without a successful connection within a 
>>>specified time, you will never get make it into my whitelist correct?
>Three years now I've asked Google why they don't have a
>logo change for Memorial Day. Why do they choose to do logos
>for other non-international holidays, but nothing for
>Maybe they forgot who made that choice possible.
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Dennis Willson

taz at taz-mania.com

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