On Wed, 5 Mar 2008, Andy Smith wrote: > > If you haven't done so already you should implement SPF for all domains > for which you send email. To be effective this also relies > on the recieving side server supporting SPF but its pretty widespread so > should have a very positive impact on your problem if > you arent already using it. The other good thing is its technically very > simple and easy to implement. > The site for this is www.openspf.org which explains what it does and how to > implement it, >
Does SPF really help *that* much? I have several customers that use it, and we didn't see much reduction in blowback at all. (And anyway, unless I misread earlier bits of this thread, the problem was the exim instance accepting stuff for non- existant recipients, and then post-DATA bouncing to forged return-paths.) -- -------------------------------------------------------- Dave Lugo [EMAIL PROTECTED] LC Unit #260 TINLC Have you hugged your firewall today? No spam, thanks. -------------------------------------------------------- Are you the police? . . . . No ma'am, we're sysadmins. -- ## 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/
