On systems that use a lock file, extracting the mail without locking
WILL occasionally cause loss of mail due to timing errors!
- So, if creation of the lock file fails
- due to access permission on the mail spool directory,
- you simply MUST change the permission
- and/or make movemail a setgid program
+ So, if creation of the lock file fails due to access
+ permission on the mail spool directory, you simply MUST
+ change the permission and/or make movemail a setgid program
so it can create lock files properly.
- You might also wish to verify that your system is one
- which uses lock files for this purpose. Some systems use other methods.
+ You might also wish to verify that your system is one which
+ uses lock files for this purpose. Some systems use other methods.
If your system uses the `flock' system call for mail locking,
define MAIL_USE_SYSTEM_LOCK in config.h and recompile movemail.