On Sun, Aug 30, 2009 at 05:22:43PM -0700, Michael Papet wrote: > A. Should I even bother? I'm not enough of an admin to know if this > would be a worthwhile endeavor. This may be exploited by spammers > already. You've just rediscovered grey-listing. I however hadn't seen anybody propose to put the keys over (title, body) before. It's usually (server, sender) with the DB being kept for many days so that subsequent valid mails are accepted immediately.
I'm not sure if there's any value in having every new mail from a given source getting delayed like this, other than annoying users that are expecting mail to be more instant. > B. Do more experienced admins have some advice on timestamp logic. A > total shot in the dark is about an hour between the first send and the > second accepted send. Most real mail servers will retry in a couple of minutes for the first failure. Here's the retry table for qmail: http://software.maexotic.de/qmail/times.html -- Robin Hugh Johnson Gentoo Linux: Developer, Trustee & Infrastructure Lead E-Mail : robb...@gentoo.org GnuPG FP : 11AC BA4F 4778 E3F6 E4ED F38E B27B 944E 3488 4E85
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