in period settings for RPTARQEMAIL, you should SINCE LAST RUN
also, check if these are used.
Please can you check this
SM37 > ABAP program name RSWUWFML and RSWUWFML2.
This is the way it scheduled
1. Create a Leave Request
2. Execute the report RPTARQEMAIL.
3. Approve the Leave Request.
4. Execute the report RPTARQPOST.
5. Execute the report RPTARQEMAIL.
With the radio button 'With All Documents'
which make sure that individual mails are sent to each requestor.
In the standard scenario the radio button 'With General Notification'
all the requestors are grouped together for sending the mails. The main
reason for this is to reduce the load on the mail server.