The number of connections to both our primary and (mainly) secondary MX’s dropped by about 50% about 11pm local on Friday.  Perhaps a major spammer has been knocked off?  The effect is quite clear on the front-page graph – we’re accepting mails from a far higher percentage of connections now, merely because the total is less.

Update, Monday:

Hah!  They were trying to fool us.  7:30 this morning, back they come,