On Thu, 2010-07-08 at 12:01 +0100, Phil (Medway Hosting) wrote: > ----- Original Message ----- > From: "Emmanuel Noobadmin" <[email protected]> > To: "exim-users" <[email protected]> > Sent: Thursday, July 08, 2010 6:16 AM > Subject: [exim] Problem with Barracuda Networks > > > > I have a problem with Barracuda Networks blocking various dynamically > > assigned IP addresses that my clients have the misfortune to be > > assigned to every few weeks or so. > > I seem to remember something on Spam-l recently regarding "deep header > inspection" of header IP's and Barracudas. > > I believe (so someone may like to correct me on this) that Barracudas have > the ability to deep scan the IP addresses in ALL received headers and check > against various blacklists. This is obviously a stupid practice unless VERY > carefully controlled. > > The point is though, that it is optional to use this function (and I believe > the default is "OFF"), so it would NOT be Barracuda that you would need to > contact - It would be the Sys-Admins of the recipient's servers to tell them > they are being dumb !! > > All the best > > Phil > (Now waiting for someone to tell me I'm wrong). > > Darn - forgot about that. Are people still mis-setting that? The only time that should ever be on is if the Barracuda is in front of a device that puts it's only header in the first 'received from' line. (Some ALG's/Gateways/Hosts)
Turn it off otherwise.... >>>> DEEP HEADER SCAN V4x Menu: Block/Accept > IP REPUTATION > (third item down) DEEP HEADER SCAN http://bayimg.com/kanPjaACI DEEP HEADER SCAN V3x Menu: Block/Accept > IP REPUTATION > (third item down) DEEP HEADER SCAN http://bayimg.com/kANPmAAcI -- ## List details at http://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
