-u list full users
-uuser
show user config
-uuserauth-ID
create new user or set new auth-ID
-qusers:quota
set new disk quota (MB) for sender user
-quserr:quota
set new disk quota (MB) for recipient user
-Ruser
restrict user: only internal recipients allowed
-rruser
edit user recipients restriction
-ruuser
edit user upload restriction
-rduser
edit user download restriction
-duser
delete user
-Duser[yn]
disable user (yes,no)
-auser[ynd]
set user autodelete default (yes, no, delay)
-nuser[fsn]
set user notification defalt (full, short, no)
-kuserdays
set user keep default in days
-Cuser[yn]
set user captive (yes, no)
-yuser[yn]
set user "fex yourself" web default (yes, no)
-Sfup file upload statistics
-Sfop file download statistics
-Aalias:hostname
add new virtual server
-v show server config
-c edit server config
-l list pending files with download URLs
-M list pending files with TO/FROM/FILE
-MTO/FROM/FILE
resend notification e-mail
-w watch fexsrv.log (continuously)
-mreason
enter maintenance mode (reason "exit" to leave)
-Vvirtualhost
operations on virtualhost (alias or hostname)
EXAMPLESfac -u framstag@domain.example schwubbeldidu
Changes the auth-ID for user framstag@domain.example to schwubbeldidu
fac -q framstag@domain.example s:10000
Sets sender quota for user framstag@domain.example to 10000 MB