period 1 = before he is blocked and in which he has posted to much.
period 2 = how long he is blocked.
Which is the time period we can set here? Or is is choosen period for both periods the same?
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From docs.moodle.org
Post threshold for warning
Students (only) will be blocked from posting after a specified number of posts in a given period - this option is for setting the number of posts a Student may make before receiving a warning.
Post threshold for blocking
This option is for setting the number of posts a Student may make in the period defined below.
Time period for blocking
This option defines the period in which a student may make a the number of posts specified in "Post threshold for blocking".