Parallels Plesk 9.5.1/9.5.2 and Greylisting
In April’s Plesk 9.5.1 update (following on from 9.3.x – apparently Parallels can’t count so just skipped 9.4.x and 9.5.0 entirely…) they managed to seriously break one of the great Plesk 9 features for Postfix users… greylisting! One of the big improvements when Plesk 9 was released (apart from ditching QMail!) was that it no longer relied upon unsupported third...