> On Tue, 2010-10-26 at 14:11 +0300, Покотиленко Костик wrote: > > > > sorbs.net is very agressive, many ISPs get blocked for several years > > and are not willing to delist b/c sorbs doesn't offer free delist > > for them. > > That is complete FUD, yes, I know what their website says, but knowing > the people behind them I can assure you it has never been demanded, it > is a deterrent, a request to their ticketing system is all it takes to > get out, please don't fall for the mistruths by those who have been in > SORBS, infact, better to ask yourself why they were in there in the > first place.
> > So there is problem with false-positives. There are not much of > > them, but all cases needs additional investigation. > > Very little indeed in the eight or so years we have been using them. > > Their spam trap is aggressive, but thats better than to do things like > spamhaus have done and publicly state they will never list gmail, > because I tell you know, gmail accounts for about 15% of spam and > crap that SA deals with here. See other posts > > >From other side this combination (spamhaus.org + sorbs.net) doesn't > > pass spam almost at all, they even doesn't leave anything for > > spamassassin, so I don't want to remove checks. > > That's a bad thing, SA is very good, but it is a resource hog on busy > servers, so the less work it has to do, the better. That's what I'm saying. I'm now suspecting SA almost useless, thinking about trying to turn it off and see if something changes. I'll review SA's logs first when have time. > > So the question is: how it is possible to direct SPAM mail to a > > user's imap spam folder? > > Use something like amavisd or MailScanner, add a specific spam header, > and use sieve amavisd doesn't make DNSBL checks as I see, it can only make some basic checks and use external SA and antivirus. > > If there is a way to set specific header instead of rejecting mail > > it would be easy to move tagged mail to spam folder by SEIVE > > filters. This would be prefered variant. > > An example sieve script we use on internal mail which is only imap > would be > > > require ["fileinto"]; > if header :contains "X-Spam-Status" ["Yes,"] { > fileinto "Junk"; > stop; > } This is simple, I have this. If somebody can tell how to write a script which will move to spam folder a message which have >1.0 score (rate) on this header: X-policyd-weight: using cached result; rate: -6.6 or X-policyd-weight: NOT_IN_DYN_PBL_SPAMHAUS=0 NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5 NOT_IN_BL_NJABL=-1.5 NOT_IN_IX_MANITU=0 CL_IP_EQ_FROM_MX=-3.1; rate: -7.6; <client=[hidden]> <helo=[hidden]> <from=[hidden]> <to=[hidden]> This require regexp which I'm not too familiar with. > We do not offer imap to end users, as they are all pop3, but there is > no reason this wont work the same if you only offer imap, if you also > permit pop3, then it gets tricky, it can be done so the users get the > spam, but it's hardly worth the effort since it defeats your intended > purpose, at least for pop3 users anyway. I was thinking about this. We support corporate users, so they all can be given instruction on how they should use the service. But mostly things are simplier, they use it as you set it up :)