Joe jobbing

[fanf]

While upgrading the Exim configuration on ppswitch, I noticed that the Computer Lab is suffering from a fairly vicious joe-job. It started just over a week ago and seems to be centred on three addresses; fortunately all of them are invalid. It has upped their junk email counts by just over a factor of ten and it's still increasing. The following are daily rejections for the last fortnight in blog order...

.00     528711 (8 messages per second)
.01     281682
.02     128430
.03     124632 (1 Jan 2006)
.04     169562
.05     166818
.06     190821
.07     204235
.08      67480
.09      29091
.10      31859 (Newton's birthday)
.11      30676
.12      42042
.13      39324
.14      44769