social/mass_mailing_custom_unsubscribe/security/ir.model.access.csv

1	id	name	model_id:id	group_id:id	perm_read	perm_write	perm_create	perm_unlink
2	read_unsubscription_reason_public	Public users can read unsubscription reasons	model_mail_unsubscription_reason	base.group_public	1	0	0	0
3	read_unsubscription_reason_employee	Employee users can read unsubscription reasons	model_mail_unsubscription_reason	base.group_user	1	0	0	0
4	write_unsubscription_reason	Mass mailing managers can manage unsubscription reasons	model_mail_unsubscription_reason	mass_mailing.group_mass_mailing_user	1	1	1	1
5	read_unsubscription	Marketing users can read unsubscriptions	model_mail_unsubscription	mass_mailing.group_mass_mailing_user	1	0	0	0
6	write_unsubscription	Admins can change unsubscriptions	model_mail_unsubscription	base.group_system	1	1	1	1