We’ve been very pleased with the Akismet spam filter. It catches over 99% of the spam we receive, and it has historically flagged very few legitimate comments as (erroneously marked) spam. Yesterday and today, it suddenly started acting more persnickety, and ended up flagging 11 legitimate comments as probable spam. (It also blocked 90 real spams in the same timeframe). I just let those comments out of the cage. Hopefully the “smart filter” aspect of Akismet means that the sudden recent increase in false positives is a thing of the past. Meanwhile, apologies if your comment was delayed.