60 logins per hour in 3600 second interval

[palawanisland]

Time: Thu Dec 6 10:53:56 2012 +0800
Account: cvemail
Application: pop3d
IP: 124.104.xxx.xx (PH/Philippines/124.104.xx.xx.p)
Logins: 61
Interval: 2245
Allowable: 60 logins per hour in 3600 second interval
Flushed in: 1355 seconds

what the line Interval: 2245 mean?
in 2245 seconds there where 61 logins?
client set pop checking/download every 3-5mins. how can mailer have 61 logins..

[peterelsner]

Are they checking from multiple devices? IE: computer, phone, tablet... each one will be a login and if they are checking every 3 to 5 minutes on phone and every 3 to 5 minutes on computer etc... Then that will quickly add up.