My apologies, but I got caught out when an RBL-style blacklist operator (of a blacklist shut down by a lawsuit threat) decided to suddenly start blacklisting the whole internet. I thought I was keeping an eye on the relevant places where such things might be announced, but apparently not closely enough.
Anyway, so if you tried to mail me and got this message 550 Your site is realtime-blacklisted (inputs.orbz.org: Mail rejected because the server you are sending to is misconfigured.) then it was my fault (in some sense, anyway) and I'd appreciate it if you'd resend it now that I've fixed the problem. As ever, if you have any kind of problem mailing me, please mail [EMAIL PROTECTED] and I'll help figure out what the problem is, and fix it if it's at my end. That address bypasses all the policy filtering, of course, and gets a lot more rapid attention than most of my other addresses. Thanks, Ian.