[nycbug-talk] spamd and large providers

[George Rosamond]

On 08/17/10 13:45, Edward Capriolo wrote:
> On Tue, Aug 17, 2010 at 1:21 PM, George Rosamond
> <george at ceetonetechnology.com>  wrote:
>> For spamd users, how are you dealing with the normal delays associated with
>> large providers with varying and multiple pools of SMTP servers?
>>
>> White listing the appropriate networks?
>>
>> Real hassle with Yahoo, Mac.com, XO. . .
>>
>> g
>> _______________________________________________
>> talk mailing list
>> talk at lists.nycbug.org
>> http://lists.nycbug.org/mailman/listinfo/talk
>>
>
> George,
>
> I hope this is relevant. Years back we had clusters of spam scrubbing
> servers running declude. We found that the majority of spam was headed
> to accounts that did not exist. However we were processing all
> messages (wasting CPU) even though these end result was a failed
> delivery regardless.
>
> Do you have this type of checking? As in pre-checking if the user
> exists before spam filtering.

Thanks for the reply Ed.

These are legitimate accounts, so that solution wouldn't apply.

We don't have a lot of non-existent accounts as the destination, and not 
really an issue with wasted cpu cycles. . .

g