Innovation: Stealth

Active only first 2 min of each hour

Jul 24 15:00:08 skapet spop3d[26766]: authentication failed: no such user: 5ce830d - ns35.hostinglotus.net (122.155.16.125)

Jul 24 15:00:11 skapet spop3d[4351]: authentication failed: no such user: 6b272a3f - samhain.z8.ru (80.93.62.126)

Jul 24 15:00:47 skapet spop3d[16430]: authentication failed: no such user: 9402e3231 - server.esbi.com.tr (92.42.38.73)

Jul 24 15:01:14 skapet spop3d[32245]: authentication failed: no such user: 6a64fe17e - n22.netmark.pl (188.116.35.5)

Jul 24 15:01:21 skapet spop3d[6908]: authentication failed: no such user: 2d74e83 - server1.ommforhire.com (173.233.93.184)

Jul 24 15:01:25 skapet spop3d[16471]: authentication failed: no such user: annaduraikolcu - 10.183.96.66.static.eigbox.net (66.96.183.10)

Jul 24 15:02:01 skapet spop3d[13654]: authentication failed: no such user: 1adf6645 - p30.progreso.pl (77.79.246.210)

Jul 24 16:00:16 skapet spop3d[25654]: authentication failed: no such user: aleks - fe58.hc.ru (79.174.73.74)

Jul 24 16:00:48 skapet spop3d[25599]: authentication failed: no such user: 55ef390a - 198.154.210.164

Jul 24 16:00:56 skapet spop3d[25360]: authentication failed: no such user: admin - 81.31.150.163

Jul 24 16:01:01 skapet spop3d[30376]: authentication failed: no such user: 8cada7110 - h2136188.stratoserver.net (85.214.43.20)

Jul 24 16:01:35 skapet spop3d[29880]: authentication failed: no such user: anna4ab15f - h2.hosting9000.com (178.33.191.210)

Jul 24 16:01:39 skapet spop3d[28881]: authentication failed: no such user: arran6 - 91.202.171.103

Jul 24 16:02:02 skapet spop3d[20188]: authentication failed: no such user: abtavl - 50.97.161.230-static.reverse.softlayer.com (50.97.161.230)

But on the other hand -