jem never provided externally facing email. vampire used to, but
doesn't any more. It also doesn't provide a slew of other random
services. Block them all.
allowservices inbound tcp \
ssh \
ident \
- smtp submission \
imaps \
http https rsync \
git
m4_divert(86)m4_dnl
## Externally visible services.
allowservices inbound tcp \
- finger ident \
+ ident \
ssh \
- smtp submission \
- gnutella_svc \
- ftp ftp_data \
- rsync \
- imaps \
- disorder mpd \
- http https squid \
- git \
tor_public tor_directory i2p
allowservices inbound udp \
tripe \