Disabling NAT (port forward) rule does not disable the associated firewall rule
Plus Target Version:
As per subject. Worked just fine with 2.2.x.
# pfctl -vvsr | grep ActiveSync @248(1418347164) pass in quick on igb1 reply-to (igb1 188.xx.xx.xx) inet proto tcp from any to 10.0.0.10 port = https flags S/SA keep state label "USER_RULE: NAT Mailserver ActiveSync"