• The sin:

odoo.addons.base.models.ir_mail_server.MailDeliveryException: ('Fallo de entrega de correo', 'La entrega de correo falló vía el servidor SMTP \'None\'.\nSMTPRecipientsRefused: {\'[email protected]\': (550, b\'Verification failed for <[email protected]>\\nNo Such User Here"\\nSender verify failed\')}')
Binary file (standard input) matches

• Configure Template: Ajustes → Técnico → Correo electrónico: Plantillas → Sales Order: Send by email → Configuración del correo electrónico → De:

"${object.company_id.name|safe}" <${(object.company_id.email)|safe}>

• Configure catchall and bounce: Ajustes → Técnico → Parámetros del sistema:

mail.bounce.alias	bounce
mail.catchall.alias	catchall
​mail.catchall.domain	hotmail.com

• https://www.odoo.com/forum/help-1/question/error-sending-email-71602