Re: Blocking based on ALL IPs in the header

2006-08-21 Thread jdow
From: "Rob McEwen" <[EMAIL PROTECTED]> Magnus Holmgren said: It depends on the blacklist. Some, like Spamhaus SBL, only list IP addresses known to be operated by spammers (and not unsuspecting home users with hijacked computers). SA scores mail with such IP addresses in ANY Received line. For ot

RE: Blocking based on ALL IPs in the header

2006-08-21 Thread Rob McEwen
Magnus Holmgren said: >It depends on the blacklist. Some, like Spamhaus SBL, >only list IP addresses known to be operated >by spammers (and not unsuspecting home users with >hijacked computers). SA scores mail with such IP >addresses in ANY Received line. For other lists, the >first hop is igno

Re: Blocking based on ALL IPs in the header

2006-08-15 Thread Magnus Holmgren
On Tuesday 08 August 2006 21:32, Rob McEwen (PowerView Systems) took the opportunity to say: > Just thought ya'll would be interested to know that I just spent about 45 > minutes trying to convince an I.T. guy at one of the largest regional banks > in my area that a spam filter should ONLY check t

RE: Blocking based on ALL IPs in the header

2006-08-08 Thread Rob McEwen
FOLLOW-UP: This bank is using GFI for spam filtering: http://www.gfi.com/ And looking at GFI's manual, it seems that GFI treats ALL IPs in the header the same and any one blacklisted is treated just the same as if the sending mail server's IP were blacklisted... with NO option to **only** check