you can delete the content that is inside / var / qmail / simscam?
ls -lah /var/qmail/simscam 1191595938.800430.10430 1195224345.50318.5 1168514964.810114.1026 1191595928.140878.10358 1167996442.589270.26093 1168515121.270204.2653 1191595427.934396.5668 1167996400.104964.25873 1192108271.518917.16959 1191595819.947716.9341 1167997754.114544.8890 1195176845.657536.9423 1173232130.140856.29163 1192055839.357248.8957 1162850350.251999.25118 1169755567.270201.23208
