Send_email_signal=django. Dispatch. Signal (
Providing_args=[' emailto ', 'title', 'content']) 

 def send_email (emailto, title, content) : 
The from djangoProject4. Blog_signals import send_email_signal 
Send_email_signal. Send (
Send_email. Magic __class__, 
Emailto=emailto, 
Title=the title, 
The content=content) 

 send_email (
Emailto=[
The user email, 
], 
Title='verify your email, 
The content=content) 

Could you tell me why the user to save, but why hasn't the mail sent out?