From: Steve <steeeeev...@gmx.net>
> To: postfix-users@postfix.org >Sent: Sunday, December 4, 2011 4:59 AM >Subject: Re: OT: Yahoo spam load (was: Dead Destination configuration) > > >> >I wish there was a chart for spam sent FROM yahoo. 99% of our spam comes >> from yahoo (that gets through postscreen). >> >On my end it is hotmail. Anyway.... postscreen is as good as you configure and >use it. There is IMHO no universal valid conclusion about quality when you >write "that goes through postscreen". > >IMHO there is a reason for content filters. They are able to catch those >remaining messages passing such filter types like postscreen. From the >viewpoint of such filters (like postscreen) the mail coming from yahoo (or in >my case hotmail) are legitimate since they are coming from the proper sources, >obey EHLO/HELO delays, are often digitally signed, are in no blacklist, etc... > > >You guys are reading too much into what I wrote! I was not complaining or >saying we could not control said yahoo spam. Was just saying that spam like >yahoo (and hotmail, msn, etc.) gets through postscreen, but, postscreen does a >great job of the other types of spam. postscreen is not the only technique we >use and certainly did not imply (or mean to imply) that. Still, my point is that yahoo needs to do a better job of not letting all that spam get OUT of it's system. I'd simply love to know how much does, though, that would be hard to calculate.
