Log Message:
Update to 3.4.2.

Changes:

BUGFIX: Minior memory leaks in multi-word tokenizer
BUGFIX: When using --classify, the system/user log is appended to
BUGFIX: Using signatureLocation=headers should prefer signature in headers
BUGFIX: History-based training only works for admins
BUGFIX: Long usernames malformatted in dspam_stats
BUGFIX: Daemon connection deadlocks when NULL characters are sent
BUGFIX: Other minor memory leaks
BUGFIX: PostgreSQL connections stay open in daemon mode