If you get the following error "members for file postmaster more than maximum allowed", you will need to run a purge from the keyesmail menu.
Keyesmail, keeps a log of all emails sent and if that file gets full, you will get the error.
From the keyesmail menu:
Take option 4-Purge keyesmail
You will be presented with another screen - Change the following parameters:
Period ending date: If you specify a date, it needs to be in the same format as your I-Series. Note: If you are unsure of your system's date format you can use the command DSPSYSVAL QDATFMT to see what it is.
Type of purge: *delete
Leave other options as default.
Keywords - Article Keyesmail