[wellylug] Postfix error

[Peter Lynch]

My postfix server stopped receiving and sending emails on Tuesday, and I
found these entries in my syslog.  Can anyone explain what might have
caused this, and how I can use monit to restart the necessary services
if this happens again?
 
Many thanks,
Peter Lynch

Jul  7 21:17:10 helena postfix/master[30661]: warning: process
/usr/lib/postfix/qmgr pid 31795 killed by signal 9 
Jul  7 21:17:10 helena postfix/master[30661]: warning: process
/usr/lib/postfix/tlsmgr pid 1834 killed by signal 9 
Jul  7 21:17:10 helena postfix/master[30661]: warning: process
/usr/lib/postfix/pickup pid 27957 killed by signal 9 
Jul  7 21:17:10 helena authdaemond: stopping authdaemond children 
Jul  7 21:17:10 helena authdaemond: restarting authdaemond children 
Jul  7 21:17:10 helena authdaemond: modules="authmysql", daemons=5 
Jul  7 21:17:10 helena authdaemond: Uninstalling authmysql 
Jul  7 21:17:10 helena authdaemond: Installing libauthmysql 
Jul  7 21:17:10 helena avahi-daemon[6063]: Disconnected from D-Bus,
exiting. 
Jul  7 21:17:10 helena avahi-daemon[6063]: Got SIGQUIT, quitting. 
Jul  7 21:17:10 helena avahi-daemon[6063]: write() failed: Broken pipe 
Jul  7 21:17:10 helena authdaemond: Installation complete: authmysql 
Jul  7 21:17:10 helena avahi-daemon[6063]: write() failed: Broken pipe 
 

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