Alert Doesn't Email Everyone

by May 13, 2010

I'm a new administrator of an up.time 5.2.107 installation. Here is the trouble:

My Alert Profiles are getting activated, emails are going out to the notification groups but of the users in the notification groups, there is at least ONE that doesn't get notified. However, if I click Test Alert Profile, this particular user DOES get notified.

The user in question is NOT tagged as “away on vacation”.

Any ideas what is going wrong? What am I missing?