dcc client feature suggestion

Craig Hughes craig@hughes-family.org
Thu Apr 3 23:47:30 UTC 2003


Might be useful to coordinate this info with the data the senderbase 
folks are collecting and publishing (www.senderbase.org)

C

On Thursday, April 3, 2003, at 05:51 AM, Valentin Chopov wrote:

> Vernon,
>
> Maybe the database can contain  {IP address, rejections/[hdw]}
> In this case we will keep avarage rejections per hour/day/week from 
> the IP
> address. If this amount of rejections/[hdw] are less then
> "limit-rej-thold",  "hard-rej-thold" will be in action, if these
> rejections reach "limit-rej-thold", "soft-rej-thold" will be action.
>
> Thanks,
> Val
>
>
> On Wed, 2 Apr 2003, Vernon Schryver wrote:
>
>>> From: Tim Wicinski <tim@meer.net>
>>> To: Valentin Chopov <valentin@valcho.net>
>>
>>>> "rej-thold".
>>>> "hard-rej-thold" - this is the same as thw current "rej-thold"
>>>> "soft-rej-thold" and "limit-rej-thold"
>>>> I'll try to explain my idea with an example:
>>>> hard-rej-thold=1000
>>>> soft-rej-thold=100
>>>> limit-rej-thold=10
>>>>
>>>> If we rejected  at least 10 messages with "hard-rej-thold=1000" from
>>>> the IP address A.B.C.D, after that to start rejecting messages with
>>>> "soft-rej-thold=100" from the same IP address.
>>
>> That's interesting, but I see implementation hassles in maintaining
>> the database {IP address, recent rejections}.
>>
>> Or do I understand the idea?
>> It seems that every time you rejected a message, you'd increment a
>> counter corresponding to the IP address of the SMTP client.  
>> Separately,
>> the rejection threshold would be affected by the previous total number
>> of rejected messages.  The rejection counter for each IP address would
>> decrease, perhaps by exponential decay, as in halving it once per day
>> or week.
>>
>> Is that right?
>>
>>
>> Vernon Schryver    vjs@rhyolite.com
>> _______________________________________________
>> DCC mailing list      DCC@rhyolite.com
>> http://www.rhyolite.com/mailman/listinfo/dcc
>>
>>
>
> _______________________________________________
> DCC mailing list      DCC@rhyolite.com
> http://www.rhyolite.com/mailman/listinfo/dcc
>
>




More information about the DCC mailing list

Contact vjs@rhyolite.com by mail or use the form.