pf ruleset for imap

[Steven =?unknown-8bit?Q?Bj=F8rken?= Vang]

hello.

just installed pf, everything is looking good.
except my imap is blocked. what do i need to add, where?

#####  FreeBSD [i386]
#####  my.hostname.com
#####  City, Country

# pfctl -F a ; pfctl -Nf /etc/pf.conf ; pfctl -sr

int_if="ep0"
ext_if="lnc0"

# *** Options
#
set     block-policy drop

# *** Scrub incoming packets
#
scrub   in all

# *** NAT
#
nat     on $ext_if from $int_if:network to any -> ($ext_if)
rdr     on $int_if proto tcp from any to any \
        port 21 -> 127.0.0.1 port 8021

# *** Default deny policy
#
block   drop log all

# *** Pass loopback traffic
#
pass    quick on lo0 all

# *** Outgoing
#
#
pass    out on $ext_if inet proto tcp \
        from any to any flags S/SA keep state
pass    out on $ext_if inet proto { udp, icmp } \
        from ($ext_if) to any keep state

# *** Bootstrap
#
pass    out on $ext_if inet proto udp \
        from any port 68 to any port 67 keep state

# *** DNS and NTP
#
pass    out on $ext_if inet proto udp \
        from ($ext_if) to any port { 53, 123 } keep state

# *** SSH and HTTP
#
pass    in on $ext_if inet proto tcp \
        from any to ($ext_if) port { 22, 80 } flags S/SA keep state

# *** Active FTP
#
pass    in on $ext_if inet proto tcp \
        from port 20 to ($ext_if) user proxy flags S/SA keep state

I guess that's it.
Thanks all,

-- Steven