email send not functions?help..

[exca]

help me, after i install some add on, i realize that my email confirmation not function, so when customer order, they not get email, and when i update order, they aslo not get email, anyone can help me where is change?

 

when i try from contact us, it work proper, send email, and

for extra email for order, they aslo send email.

 

but for update order and user order why no email send? please.......

 

my setinh email not cahnge, it work before