O QueueLA=100
O RefuseLA=100
и перезапускаем sendmail
За решение спасибо: http://itblog.su/sendmail-rejecting-connections-on-daemon-mta-load-average.html
O QueueLA=100
O RefuseLA=100
/etc/init.d/sendmail restart
Shutting down sm-client: [FAILED]
Shutting down sendmail: [ OK ]
Starting sendmail: [ OK ]
Starting sm-client: can not chdir(/var/spool/clientmqueue/): Permission denied
/etc/init.d/sendmail restart
Shutting down sm-client: [FAILED]
Shutting down sendmail: [ OK ]
Starting sendmail: [ OK ]
Starting sm-client: [ OK ]