How do you send mail to all users on system?

[bkonner]

Howdy,

How can I send an email to all users on my email system (as root)? I am using Sendmail with RedHat 7.0.

Thanks

 

[RhythmAce]

This link should answer you question:

http://www.sendmail.org/faq/section4.html#4.21

 

[marsd]

#!/bin/sh
#mail_everyone
all_names=$(cat /etc/passwd | awk ' BEGIN { FS = ":" }
{
print $1
}')

for ii in `echo $all_names`
do
echo "My message" | mail $ii
done