Сам себе и помогу )))
Good suggestions above, but I'll bet this is something else.
qmail has a few surprises, and I've seen exactly this situation...the other details (rsync) support the thesis, so:
Check /var/qmail/queue/lock/trigger . It should look like this:
stella# ls -l /var/qmail/queue/lock/trigger
prw--w--w- 1 qmails qmail 0 Dec 17 21:56 /var/qmail/queue/lock/trigger
The first character "p" in the `ls -l` output means that the file is a named pipe (also called a "FIFO"). If it's a regular file ("-"), doesn't exist, or if the ownership/permissions are wrong, qmail-send won't get an immediate notification when new messages are added to the queue, and it won't process them until it hits its scheduled wake-up time, typically every 30 minutes.
It's easy to fix:
mkfifo /var/qmail/queue/lock/trigger
chown qmails:qmail /var/qmail/queue/lock/trigger
chmod 622 /var/qmail/queue/lock/trigger
Good luck.