any body who meet this problem? cannot send email

[scotti]

I use RHEL-AS4-U1 and zabbix-1.1b4,
use the default sendmail as smtp; but it can't send emails,

the problem is same as here:

http://www.zabbix.com/forum/showthread.php?t=1194

the trigger I use: ({2.64:net.if.out[eth0].min(300)})>100K
'2.64' is defined as '192.168.2.64'
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