Hi thanks everyone for the advice,
i've turned on SPF in courier, specifically added " opt BOFHSPFMAILFROM=pass,none " to my bofh file so this should take care of it as I'm filtering for valid "FROM". I haven't looked at SpamAssassins SPF checks, but I will also J Arik Raffael Funke wrote: >Hi, > >is that not already covered by any SPF checks? Given that you have >defined a SP for your domain, SpamAssassin should already be taking care >of this. Have you enabled SpamAssassin's SPF checks? If you are not >using SA, I believe I have seen a SPF script for TMDA somewhere in the >wiki or you could look for a stand-alone SPF checker. > >Best regards, >Arik > > >Julie S. Lin wrote: > > >>Hi >> >>what yer saying is absolutely correct, hence my desire to filter by >>specifying a mail server >>is this possible? i'm hopping spammers can't easily forge outgoing >>server identity >> >>David Hoffman wrote: >> >> >> >>>If what you mean is that spam is getting through because the spammer >>>forges an address that is on your whitelist, then the simple answer is >>>don't put that address in your whitelist. >>> >>>If you put your own address into your whitelist, or your own domain, >>>then any spammer can forge it, and it will go through. >>> >>>See: >>>http://wiki.tmda.net/TmdaFaq#head-e81137818ea55d7e15d5822687715793af7062ea >>> >>> >>> >>>----- Original Message ---- >>>From: Julie S. Lin <[EMAIL PROTECTED]> >>>To: tmda-users@tmda.net >>>Sent: Monday, December 4, 2006 1:14:12 PM >>>Subject: filter by mailserver >>> >>>Hi >>> >>>is there a way to filter by originating mailserver? >>> >>>the rule "from [EMAIL PROTECTED] ok" still allows spam clever enough to >>>forge the from field. >>> >>>i'd like to write the filter such that mail originating from >>>"[EMAIL PROTECTED]" is OK. >>> >>>or have spammers figured out how to forge originating mail server >>>identity too? >>> >>>J >>> >>>_____________________________________________ >>>tmda-users mailing list (tmda-users@tmda.net) >>>http://tmda.net/lists/listinfo/tmda-users >>> >>> >>>------------------------------------------------------------------------ >>>Check out the all-new Yahoo! Mail beta >>><http://us.rd.yahoo.com/evt=43257/*http://advision.webevents.yahoo.com/mailbeta> >>> >>>- Fire up a more powerful email and get things done faster. >>> >>> >> >> > >_____________________________________________ >tmda-users mailing list (tmda-users@tmda.net) >http://tmda.net/lists/listinfo/tmda-users > > _____________________________________________ tmda-users mailing list (tmda-users@tmda.net) http://tmda.net/lists/listinfo/tmda-users
