diff --git a/addons/microsoft_outlook/models/ir_mail_server.py b/addons/microsoft_outlook/models/ir_mail_server.py
index 14515b8abc6..1fa457a28ed 100644
--- a/addons/microsoft_outlook/models/ir_mail_server.py
+++ b/addons/microsoft_outlook/models/ir_mail_server.py
@@ -33,7 +33,7 @@ class IrMailServer(models.Model):
             'To extend its use, you should set a "mail.default.from" system parameter.')
         super(IrMailServer, self - outlook_servers)._compute_smtp_authentication_info()
 
-    @api.constrains('smtp_authentication', 'smtp_pass', 'smtp_encryption', 'from_filter', 'smtp_user')
+    @api.constrains('smtp_authentication', 'smtp_pass', 'smtp_encryption', 'smtp_user')
     def _check_use_microsoft_outlook_service(self):
         outlook_servers = self.filtered(lambda server: server.smtp_authentication == 'outlook')
         for server in outlook_servers:
@@ -47,11 +47,6 @@ class IrMailServer(models.Model):
                     'Incorrect Connection Security for Outlook mail server %r. '
                     'Please set it to "TLS (STARTTLS)".', server.name))
 
-            if server.from_filter != server.smtp_user:
-                raise UserError(_(
-                    'This server %r can only be used for your personal email address. '
-                    'Please fill the "from_filter" field with %r.', server.name, server.smtp_user))
-
             if not server.smtp_user:
                 raise UserError(_(
                             'Please fill the "Username" field with your Outlook/Office365 username (your email address). '