-------- Original-Nachricht -------- > Datum: Mon, 17 Jan 2011 11:13:19 +0100 (CET) > Von: Maarten Bezemer <mcbdove...@robuust.nl> > An: Dovecot Mailing List <dovecot@dovecot.org> > Betreff: Re: [Dovecot] SSD drives are really fast running Dovecot
> > On Mon, 17 Jan 2011, Steve wrote: > > > Spam does not bump the average mail size considerably. Average spam > > mails is way smaller then average normal mails. The reason for this is > > very simple: Spammers need to reach as many end users as possible. And > > they need to get those mails out as fastest as possible. > > Somewhat correct. Due to a lot of spamfilter setups skip messages above a > certain size, we've seen an increase of such big messages. These affect > the average quite severely. > > An average, however, is only just that: an average. There may not even be > 1 message that has exactly the average size... > > When looking at last two weeks worth of spam that didn't come from obvious > blacklisted sources, I see: > 45 messages below 4KB (including quite some miserable failures that forgot > to include a message body...) > 127 messages above 8KB, of which only 14 above 20KB > 940 messages between 4KB and 8KB > > Yet, the _average_ was well above 8KB, due to a few 500KB+ messages. > You get 500Kb+ sized spam messages? That is not usual. I have not done any computation on my part but I remember seen last year (or so) a study showing that spam messages are usually below 64Kb. Anyway... Why is this so ultra important how big spam messages are? > So, mean, median, or whatever, it's just lies, damn lies, and statistics. > > > -- > Maarten -- NEU: FreePhone - kostenlos mobil telefonieren und surfen! Jetzt informieren: http://www.gmx.net/de/go/freephone
