Allow to go through Hotspot IMAP / POP3 / SMTP?
Port TCP:
143,220,993 (IMAP)
110,995 (POP3)
25,587,485 (SMTP)
/ip hotspot walled-garden ip
add action=accept comment=smtp-relay.gmail.com disabled=no !dst-address dst-host=smtp-relay.gmail.com !dst-port protocol=tcp !src-address
add action=accept comment=smtp.gmail.com disabled=no !dst-address dst-host=smtp.gmail.com !dst-port protocol=tcp !src-address
add action=accept comment=aspmx.l.google.com disabled=no !dst-address dst-host=aspmx.l.google.com dst-port=443 protocol=tcp !src-address
add action=accept comment=smtp-relay.gmail.com disabled=no !dst-address dst-host=smtp-relay.gmail.com dst-port=443 protocol=tcp !src-address
add action=accept comment=smtp.gmail.com disabled=no !dst-address dst-host=smtp.gmail.com dst-port=443 protocol=tcp !src-address
add action=accept comment=aspmx.l.google.com disabled=no !dst-address dst-host=aspmx.l.google.com !dst-port protocol=tcp !src-address
add action=accept comment=80 disabled=no !dst-address dst-port=80 protocol=tcp !src-address
add action=accept comment=433 disabled=yes !dst-address dst-port=443 protocol=tcp !src-address
/ip firewall filter
add action=accept chain=forward comment=SMTP dst-address=10.5.50.0/24 protocol=tcp src-port=25
add action=accept chain=forward dst-port=25 protocol=tcp src-address=10.5.50.0/24
add action=accept chain=forward comment=443 dst-address=10.5.50.0/24 protocol=tcp src-port=443
add action=accept chain=forward dst-port=443 protocol=tcp src-address=10.5.50.0/24
add action=accept chain=forward comment=pop dst-address=10.5.50.0/24 protocol=tcp src-port=110
add action=accept chain=forward dst-port=110 protocol=tcp src-address=10.5.50.0/24
add action=accept chain=forward comment=pops dst-address=10.5.50.0/24 protocol=tcp src-port=995
add action=accept chain=forward dst-port=995 protocol=tcp src-address=10.5.50.0/24
add action=passthrough chain=unused-hs-chain comment="place hotspot rules here" disabled=yes