Miscellany

flush     unix  n       -       -       1000?   0       flush
proxymap  unix  -       -       n       -       -       proxymap
trace     unix  -       -       -       -       0       bounce
verify    unix  -       -       -       -       1       verify
tlsmgr    unix  -       -       -       1000?   1       tlsmgr
anvil     unix  -       -       -       -       1       anvil
scache    unix  -       -       -       -       1       scache
discard   unix  -       -       -       -       -       discard
relay     unix  -       -       n       -       -       smtp -o fallback_relay=
#       -o smtp_helo_timeout=5 -o smtp_connect_timeout=5