How to restart service sendmail. (Sun, Linux, AIX)
use single line command for stop and start (restart):
Sun Solaris
/etc/init.d/sendmail stop;sleep 10;/etc/init.d/sendmail start;
Linux
/etc/rc.d/sendmail stop;sleep 10;/etc/init.d/sendmail start;
--or postfix
service postfix restart;
service postfix restart;
AIX
stopsrc -s sendmail;sleep 10;startsrc -s sendmail -a "-bd -q30m";
stopsrc -s sendmail;sleep 10;startsrc -s sendmail -a "-bd -q30m";