Bumped spam filter related limits. Separately, increased
process limit in /etc/default/spampd.
# Before-filter SMTP server. Receive mail from the network and
# pass it to the content filter on localhost port 10025.
#
-smtp inet n - - - 5 smtpd
+smtp inet n - - - 10 smtpd
-o smtpd_proxy_filter=127.0.0.1:10025
- -o smtpd_client_connection_count_limit=10
+ -o smtpd_client_connection_count_limit=15
#
# After-filter SMTP server. Receive mail from the content filter
# on localhost port 10026.