A couple of weeks ago I enabled SPF checking on my mail server to see if it actually did any good or not, and the answer is a resounding "no". In the time I was running it it only blocked a couple of mails, which almost certainly would have been dropped via other methods anyway, and actually blocked at least one legitimate email. I’ll stick to using a combination of the zen.spamhaus.org DNSBL and greylisting which works perfectly well.
- 09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C0
- Fujitsu Siemens are shit
- Virgin Media