You're right, it does require the recipient domain to implement SPF checking, but I think it's better than nothing.
It could at least help prevent from having your domain name end up on some auto-populated spam lists like aol, yahoo, etc like he originally said he was having problems with... although usually I've seen that happen with IPs rather than domain names themselves. -Matt On Tue, 2009-12-29 at 11:24 -0500, Nick Olsen wrote: > This assumes that the receiving party drops mail based on SPF. > And still, most of the time it will bounce the message saying it failed > spam checks or something like that. > > Nick Olsen > Brevard Wireless > (321) 205-1100 x106 > > > ---------------------------------------- > > From: "Matt Hardy" <[email protected]> > Sent: Tuesday, December 29, 2009 11:08 AM > To: "WISPA General List" <[email protected]> > Subject: Re: [WISPA] domain spam attack - JoeJob > > You can implement the use of SPF records in your dns/mx settings. This > will tell mail servers which use SPF checking (which many do) to only > allow mail from your domain name to come from the mail servers / IPs > that you specify (in the SPF records) are allowed. Any mail coming from > non-allowed IPs are blocked... > > -Matt > > On Wed, 2009-12-30 at 10:31 -0500, Kurt Fankhauser wrote: > > Does anyone have any experience with having an attack done on your > domain > > where the sender spoofs the header and then puts your domain in it as > the > > sender. I think this is called a JoeJob and we are getting 1000's of the > > bounced messages because of it and are now having difficulty sending to > some > > of the bigger email providers like aol, yahoo, and hotmail. I tracked > the > > originating IP down to somewhere in Asia and reported them to the holder > of > > the Whois information there. Anything else I can do? > > > > > > > > Kurt Fankhauser > > WAVELINC > > P.O. Box 126 > > Bucyrus, OH 44820 > > 419-562-6405 > > www.wavelinc.com > > > > > > > > > > > > > > > > > > > > > ---------------------------------------------------------------------------- > ---- > > WISPA Wants You! Join today! > > http://signup.wispa.org/ > > > ---------------------------------------------------------------------------- > ---- > > > > WISPA Wireless List: [email protected] > > > > Subscribe/Unsubscribe: > > http://lists.wispa.org/mailman/listinfo/wireless > > > > Archives: http://lists.wispa.org/pipermail/wireless/ > > ---------------------------------------------------------------------------- > ---- > WISPA Wants You! Join today! > http://signup.wispa.org/ > ---------------------------------------------------------------------------- > ---- > > WISPA Wireless List: [email protected] > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ > > > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: [email protected] > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ -------------------------------------------------------------------------------- WISPA Wants You! Join today! http://signup.wispa.org/ -------------------------------------------------------------------------------- WISPA Wireless List: [email protected] Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
