Tag: Greylisting

June 11, 2010

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...

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February 4, 2010

Per-domain/per-account settings for Plesk 9’s greylisting

Plesk 9 introduced the very useful feature of greylisting for the Postfix SMTP server (and presumably the QMail one as well, but I only use Postfix as QMail gives me a headache!). Greylisting basically sends a “resource temporarily unavailable, please try again later” message whenever someone connects and tries to deliver an e-mail. For legitimate SMTP servers, this isn’t a...

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