In a custom module which is odoo_woo_commerce connector which depends on base,sale,sale_management,website  of odoo12 enterprise. While uploading this custom module getting error from ir_mail_server.py file in the base
,

failed sending mail (id: 32) due to startup parameter.
Traceback (most recent call last):
File "/home/odoo/src/odoo/addons/mail/models/mail_mail.py", line 365, in _send
headers = headers)
File "/ home / odoo / src / odoo / odoo / addons / base / models / ir_mail_server.py ", line 307, in build_email
assert email_from," You must either provide a sender address explicitly or configure "\
AssertionError: You must either provide a sender address or configure a global sender address in the server configuration or with the --email-from startup parameter.