Different From Email for Selected Domains by Period Email Report This report shows the number of different local parts from some domains that sended at least an email through the mail system in a given period. This parameter controls the time period which will be used to compute different user. For example, if you use 1d here, you'll get the number of different email addresses' from the selected domains that sended email through your server in one day. This parameter contains a regexp that will be used to select the domains for which different from addresses will be computed. Different From Users from Domain matching "$select_domain" by $period Period