__init__.py

import template_task

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__openerp__.py

{

'name': 'ProjectTask',

'version': '1.1',

'depends': ['project'],

'data': ['task_email_template_data.xml'],

'installable': True,

'auto_install': False,

'application': True,

}

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template_task.py

from openerp import api,fields,models

class task(models.Model):

_inherit = 'project.task'

@api.model

def create(self,vals):

res=super(task,self).create(vals)

self.task_send_mail()

return res

@api.multi

def task_send_mail(self):

mail_ids = []

mail_pool = self.env['mail.mail']

template_id = self.env['ir.model.data'].get_object_reference('task_templatess','task_email_template')[1]

email_obj = self.env['mail.template'].browse(template_id)

mail_id = email_obj.send_mail(template_id)

mail_ids.append(mail_id)

if mail_ids:

res = mail_pool.send(self,mail_ids)

return res 

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task_email_template_data.xml

<?xml version="1.0" encoding="utf-8"?>

<odoo>

<data noupdate="0">

<!--email template-->

<record id="task_email_template" model="mail.template">

<field name="name">Send Email project template</field>

<field name="email_from">pketul94@gmail.com</field>

<field name="subject">New Customer created ${object.name}</field>

<field name="email_to">${object.user_id.email}</field>

<field name="model_id" ref="task_templatess.model_project_task"/>

<field name="auto_delete" eval="True"/>

<field name="body_html"><![CDATA[

<p> HELLLLLLLLLLLLLLLLLO </p>

]]></field>

</record>

</data>

</odoo>

when i create a task its create and send mail but error is the "mail delivery fail" how to fix it