Reply To: Clarification on the concept "Email Sending Interval" Home › Forums › Front End PM PRO › Clarification on the concept "Email Sending Interval" › Reply To: Clarification on the concept "Email Sending Interval" January 9, 2020 at 12:22 am #33011 Shamim HasanKeymaster By default, it will send instantly. But if you want, you can set so that all emails go through email queue. You will need to use a filter hook.