>>>>> "Rod" == Rod Whitworth <[EMAIL PROTECTED]> writes:
Rod> As a result spammers target secondaries strongly in preference to Rod> primaries. As a project I listed a secondary for a server I support Rod> using an alias on the same machine. All of the mail sent to the Rod> secondary address (unless I missed one or two) was spam. Only about 60% Rod> directed to the primary was spam. $ host -t mx stonehenge.com stonehenge.com mail is handled by 666 spamtrap.stonehenge.com. stonehenge.com mail is handled by 5 blue.stonehenge.com. Any mail delivered to spamtrap gets the following response: 450 Violation of RFC2821 Section 5 Paragraph 8 correlates highly with spamming and is therefore rejected. And yes, that's the paragraph that says "deliver to lowest MX first". I'm skipping about *half* of the incoming spam just with this one trick. For more details, find the PDF I wrote titled "you had me at HELO" via google. -- Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095 <merlyn@stonehenge.com> <URL:http://www.stonehenge.com/merlyn/> Perl/Unix/security consulting, Technical writing, Comedy, etc. etc. See PerlTraining.Stonehenge.com for onsite and open-enrollment Perl training!
