prevent jenkins log to grow >100G in size. thanks to nthykier for the hint

Signed-off-by: Holger Levsen <holger@layer-acht.org>

hosts/jenkins/etc/default/jenkins

@@ -32,6 +32,7 @@ JAVA_ARGS="$JAVA_ARGS -XX:+UseG1GC "
 
 # make jenkins listen on IPv4 address
 #JAVA_ARGS="-Djava.net.preferIPv4Stack=true"
+JAVA_ARGS="$JAVA_ARGS -Dhudson.DNSMultiCast.disabled=true"
 
 PIDFILE=/var/run/$NAME/$NAME.pid
 

hosts/osuosl-build173-amd64/etc/postfix/main.cf

@@ -21,6 +21,7 @@ readme_directory = no
 smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
 smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
 smtpd_use_tls=yes
+smtp_enforce_tls = yes
 smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
 smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
 
@@ -32,7 +33,7 @@ alias_maps = hash:/etc/aliases
 alias_database = hash:/etc/aliases
 myorigin = /etc/mailname
 mydestination = osuosl-build173-amd64.debian.net, localhost
-relayhost = mail.holgerlevsen.de
+relayhost = smtp.osuosl.org:587
 #mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
 mynetworks = 127.0.0.0/8
 mailbox_size_limit = 0