diff --git a/addons/crm/data/digest_data.xml b/addons/crm/data/digest_data.xml
index 9da9d78e512..d044815d18e 100644
--- a/addons/crm/data/digest_data.xml
+++ b/addons/crm/data/digest_data.xml
@@ -16,9 +16,9 @@
 <div>
     <t t-set="record" t-value="object.env['crm.team'].search([('alias_name', '!=', 'False')], limit=1)" />
     <p class="tip_title">Tip: Convert incoming emails into opportunities</p>
-    <t t-if="record and record.alias_domain">
-        <p class="tip_content">Did you know emails sent to <t t-out="record.alias_id.display_name or ''"></t> generate opportunities in your pipeline?<br/>
-        <a t-attf-href="mailto:{{record.alias_id.display_name}}" target="_blank">Try sending an email</a> to your CRM. This email address is configurable by sales team members.</p>
+    <t t-if="record.alias_email">
+        <p class="tip_content">Did you know emails sent to <t t-out="record.alias_email"></t> generate opportunities in your pipeline?<br/>
+        <a t-attf-href="mailto:{{record.alias_email}}" target="_blank">Try sending an email</a> to your CRM. This email address is configurable by sales team members.</p>
     </t>
     <t t-else="">
         <p class="tip_content">Did you know emails sent to a Sales Team alias generate opportunities in your pipeline?</p>
diff --git a/addons/crm/models/crm_lead.py b/addons/crm/models/crm_lead.py
index 1bcea9ed084..d8c789384e1 100644
--- a/addons/crm/models/crm_lead.py
+++ b/addons/crm/models/crm_lead.py
@@ -1276,10 +1276,9 @@ class Lead(models.Model):
             ('alias_force_thread_id', '=', False)
         ], limit=1)
 
-        if alias_record and alias_record.alias_domain and alias_record.alias_name:
-            email = f'{alias_record.alias_name}@{alias_record.alias_domain}'
+        if alias_record.alias_domain and alias_record.alias_name:
             sub_title = Markup(_('Use the <i>New</i> button, or send an email to %(email_link)s to test the email gateway.')) % {
-                'email_link': Markup("<b><a href='mailto:%s'>%s</a></b>") % (email, email),
+                'email_link': Markup("<b><a href='mailto:%s'>%s</a></b>") % (alias_record.display_name, alias_record.display_name),
             }
         return super().get_empty_list_help(
             f'<p class="o_view_nocontent_smiling_face">{help_title}</p><p class="oe_view_nocontent_alias">{sub_title}</p>'
diff --git a/addons/crm/models/crm_team.py b/addons/crm/models/crm_team.py
index 4ada6a3b3b2..40ccee93b3d 100644
--- a/addons/crm/models/crm_team.py
+++ b/addons/crm/models/crm_team.py
@@ -24,9 +24,7 @@ class Team(models.Model):
 
     use_leads = fields.Boolean('Leads', help="Check this box to filter and qualify incoming requests as leads before converting them into opportunities and assigning them to a salesperson.")
     use_opportunities = fields.Boolean('Pipeline', default=True, help="Check this box to manage a presales process with opportunities.")
-    alias_id = fields.Many2one(
-        'mail.alias', string='Alias', ondelete="restrict", required=True,
-        help="The email address associated with this channel. New emails received will automatically create new leads assigned to the channel.")
+    alias_id = fields.Many2one(help="The email address associated with this channel. New emails received will automatically create new leads assigned to the channel.")
     # assignment
     assignment_enabled = fields.Boolean('Lead Assign', compute='_compute_assignment_enabled')
     assignment_auto_enabled = fields.Boolean('Auto Assignment', compute='_compute_assignment_enabled')
diff --git a/addons/crm/tests/test_crm_lead.py b/addons/crm/tests/test_crm_lead.py
index 0b5e33f0492..8cf4b4a20f3 100644
--- a/addons/crm/tests/test_crm_lead.py
+++ b/addons/crm/tests/test_crm_lead.py
@@ -627,7 +627,7 @@ class TestCRMLead(TestCrmCommon):
         new_lead = self.format_and_process(
             INCOMING_EMAIL,
             'unknown.sender@test.example.com',
-            '%s@%s' % (self.sales_team_1.alias_name, self.alias_domain),
+            self.sales_team_1.alias_email,
             subject='Delivery cost inquiry',
             target_model='crm.lead',
         )
diff --git a/addons/crm/tests/test_crm_lead_multicompany.py b/addons/crm/tests/test_crm_lead_multicompany.py
index 7b6118d5b3a..ff1d57f9544 100644
--- a/addons/crm/tests/test_crm_lead_multicompany.py
+++ b/addons/crm/tests/test_crm_lead_multicompany.py
@@ -314,7 +314,7 @@ class TestCRMLeadMultiCompany(TestCrmCommon):
         new_lead = self.format_and_process(
             INCOMING_EMAIL,
             customer_company.email,
-            '%s@%s' % (self.sales_team_1.alias_name, self.alias_domain),
+            self.sales_team_1.alias_email,
             subject='Team having partner in company',
             target_model='crm.lead',
         )
diff --git a/addons/crm/views/crm_helper_templates.xml b/addons/crm/views/crm_helper_templates.xml
index f3610e25e58..6cd44f01253 100644
--- a/addons/crm/views/crm_helper_templates.xml
+++ b/addons/crm/views/crm_helper_templates.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <odoo>
     <template id="crm_action_helper" name="crm action helper">
-        <t t-if="team.alias_name and team.alias_domain">
+        <t t-if="team.alias_email">
             <p class="o_view_nocontent_smiling_face">
                 Create an opportunity to start playing with your pipeline.
             </p><p>Use the <i>New</i> button, or send an email to
-            <a t-attf-href="mailto:#{team.alias_id.display_name}"><t t-esc="team.alias_id.display_name"/></a>
+            <a t-attf-href="mailto:#{team.alias_email}"><t t-esc="team.alias_email"/></a>
             to test the email gateway.</p>
         </t>
         <t t-else="">
diff --git a/addons/hr_expense/models/hr_expense.py b/addons/hr_expense/models/hr_expense.py
index 1ebfe49499a..fc045bf89b9 100644
--- a/addons/hr_expense/models/hr_expense.py
+++ b/addons/hr_expense/models/hr_expense.py
@@ -488,13 +488,12 @@ class HrExpense(models.Model):
         use_mailgateway = self.env['ir.config_parameter'].sudo().get_param('hr_expense.use_mailgateway')
         expense_alias = self.env.ref('hr_expense.mail_alias_expense') if use_mailgateway else False
         if expense_alias and expense_alias.alias_domain and expense_alias.alias_name:
-            alias_email = f'{expense_alias.alias_name}@{expense_alias.alias_domain}'
             # encode, but force %20 encoding for space instead of a + (URL / mailto difference)
             params = werkzeug.urls.url_encode({'subject': _("Lunch with customer $12.32")}).replace('+', '%20')
             return Markup(
                 """<p>%(send_string)s <a href="mailto:%(alias_email)s?%(params)s">%(alias_email)s</a></p>"""
             ) % {
-                'alias_email': alias_email,
+                'alias_email': expense_alias.display_name,
                 'params': params,
                 'send_string': _("Or send your receipts at"),
             }
diff --git a/addons/hr_recruitment/data/digest_data.xml b/addons/hr_recruitment/data/digest_data.xml
index 9434c1ee7a9..683ff349912 100644
--- a/addons/hr_recruitment/data/digest_data.xml
+++ b/addons/hr_recruitment/data/digest_data.xml
@@ -17,8 +17,8 @@
     <p class="tip_content">
         By setting an alias to a job position, emails sent to this address create applications automatically. You can even use multiple trackers to get statistics according to the source of the application: LinkedIn, Monster, Indeed, etc.
         <t t-set="record" t-value="object.env['hr.job'].search([('alias_name', '!=', False)], limit=1)" />
-        <t t-if="record and record.alias_domain">
-            <a t-attf-href="mailto:{{record.alias_id.display_name}}" target="_blank" style="color: #875a7b; text-decoration: none;">Try sending an email</a>
+        <t t-if="record.alias_email">
+            <a t-attf-href="mailto:{{record.alias_email}}" target="_blank" style="color: #875a7b; text-decoration: none;">Try sending an email</a>
         </t>
     </p>
 </div>
diff --git a/addons/hr_recruitment/models/hr_applicant.py b/addons/hr_recruitment/models/hr_applicant.py
index bed42f0f48f..94ea43c45e6 100644
--- a/addons/hr_recruitment/models/hr_applicant.py
+++ b/addons/hr_recruitment/models/hr_applicant.py
@@ -336,11 +336,11 @@ class Applicant(models.Model):
 
     def get_empty_list_help(self, help_message):
         if 'active_id' in self.env.context and self.env.context.get('active_model') == 'hr.job':
-            alias_id = self.env['hr.job'].browse(self.env.context['active_id']).alias_id
+            hr_job = self.env['hr.job'].browse(self.env.context['active_id'])
         elif self.env.context.get('default_job_id'):
-            alias_id = self.env['hr.job'].browse(self.env.context['default_job_id']).alias_id
+            hr_job = self.env['hr.job'].browse(self.env.context['default_job_id'])
         else:
-            alias_id = False
+            hr_job = self.env['hr.job']
 
         nocontent_body = Markup("""
 <p class="o_view_nocontent_smiling_face">%(help_title)s</p>
@@ -350,11 +350,10 @@ class Applicant(models.Model):
             'para_2': _("You can search into attachment's content, like resumes, with the searchbar."),
         }
 
-        if alias_id and alias_id.alias_domain and alias_id.alias_name:
-            email = alias_id.display_name
+        if hr_job.alias_email:
             nocontent_body += Markup('<p class="o_copy_paste_email oe_view_nocontent_alias">%(helper_email)s <a href="mailto:%(email)s">%(email)s</a></p>') % {
                 'helper_email': _("Create new applications by sending an email to"),
-                'email': email
+                'email': hr_job.alias_email,
             }
 
         return super().get_empty_list_help(nocontent_body)
diff --git a/addons/hr_recruitment/models/hr_job.py b/addons/hr_recruitment/models/hr_job.py
index f1292f83805..8b6e1b2ddec 100644
--- a/addons/hr_recruitment/models/hr_job.py
+++ b/addons/hr_recruitment/models/hr_job.py
@@ -49,9 +49,7 @@ class Job(models.Model):
         help="Person responsible of validating the employee's contracts.")
     document_ids = fields.One2many('ir.attachment', compute='_compute_document_ids', string="Documents", readonly=True)
     documents_count = fields.Integer(compute='_compute_document_ids', string="Document Count")
-    alias_id = fields.Many2one(
-        'mail.alias', "Alias", ondelete="restrict", required=True,
-        help="Email alias for this job position. New emails will automatically create new applicants for this job position.")
+    alias_id = fields.Many2one(help="Email alias for this job position. New emails will automatically create new applicants for this job position.")
     color = fields.Integer("Color Index")
     is_favorite = fields.Boolean(compute='_compute_is_favorite', inverse='_inverse_is_favorite')
     favorite_user_ids = fields.Many2many('res.users', 'job_favorite_user_rel', 'job_id', 'user_id', default=_get_default_favorite_user_ids)
diff --git a/addons/hr_recruitment/models/hr_recruitment_source.py b/addons/hr_recruitment/models/hr_recruitment_source.py
index 7bd11eb8428..ca65cec23b2 100644
--- a/addons/hr_recruitment/models/hr_recruitment_source.py
+++ b/addons/hr_recruitment/models/hr_recruitment_source.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
-from odoo import api, fields, models
+from odoo import fields, models
 
 
 class RecruitmentSource(models.Model):
@@ -12,11 +12,12 @@ class RecruitmentSource(models.Model):
     email = fields.Char(related='alias_id.display_name', string="Email", readonly=True)
     has_domain = fields.Char(compute='_compute_has_domain')
     job_id = fields.Many2one('hr.job', "Job", ondelete='cascade')
-    alias_id = fields.Many2one('mail.alias', "Alias ID")
+    alias_id = fields.Many2one('mail.alias', "Alias ID", ondelete='restrict')
     medium_id = fields.Many2one('utm.medium', default=lambda self: self.env.ref('utm.utm_medium_website'))
 
     def _compute_has_domain(self):
-        self.has_domain = bool(self.env["ir.config_parameter"].sudo().get_param("mail.catchall.domain"))
+        for source in self:
+            source.has_domain = bool(source.alias_id.alias_domain)
 
     def create_alias(self):
         campaign = self.env.ref('hr_recruitment.utm_campaign_job')
@@ -36,10 +37,9 @@ class RecruitmentSource(models.Model):
             }
             source.alias_id = self.env['mail.alias'].create(vals)
 
-    @api.model
-    def _get_view(self, view_id=None, view_type='form', **options):
-        arch, view = super()._get_view(view_id, view_type, **options)
-        if view_type == 'tree' and not bool(self.env["ir.config_parameter"].sudo().get_param("mail.catchall.domain")):
-            email = arch.xpath("//field[@name='email']")[0]
-            email.getparent().remove(email)
-        return arch, view
+    def unlink(self):
+        """ Cascade delete aliases to avoid useless / badly configured aliases. """
+        aliases = self.alias_id
+        res = super().unlink()
+        aliases.sudo().unlink()
+        return res
diff --git a/addons/hr_recruitment/views/hr_recruitment_source_views.xml b/addons/hr_recruitment/views/hr_recruitment_source_views.xml
index 9843d6cb7c0..280871825c6 100644
--- a/addons/hr_recruitment/views/hr_recruitment_source_views.xml
+++ b/addons/hr_recruitment/views/hr_recruitment_source_views.xml
@@ -46,7 +46,8 @@
                     <field name="source_id" placeholder="e.g. LinkedIn" decoration-bf="1" attrs="{'readonly': [('id', '!=', False)]}"/>
                     <field name="medium_id" optional="hidden"/>
                     <field name="job_id" attrs="{'readonly': [('id', '!=', False)]}"/>
-                    <field name="email" attrs="{'invisible': [('email', '=', False)]}" widget="email"/>
+                    <field name="email" widget="email"
+                           attrs="{'invisible': ['|', ('email', '=', False), ('has_domain', '=', False)]}"/>
                     <button name="create_alias" string="Generate Email" class="btn btn-primary" type="object" attrs="{'invisible': ['|', ('has_domain', '=', False), ('email', '!=', False)]}"/>
                 </tree>
             </field>
diff --git a/addons/mail/models/mail_alias_mixin_optional.py b/addons/mail/models/mail_alias_mixin_optional.py
index de3014dc415..94cf427418e 100644
--- a/addons/mail/models/mail_alias_mixin_optional.py
+++ b/addons/mail/models/mail_alias_mixin_optional.py
@@ -22,11 +22,21 @@ class AliasMixinOptional(models.AbstractModel):
     alias_name = fields.Char(related='alias_id.alias_name', readonly=False)
     alias_domain = fields.Char('Alias domain', compute='_compute_alias_domain')
     alias_defaults = fields.Text(related='alias_id.alias_defaults')
+    alias_email = fields.Char('Email Alias', compute='_compute_alias_email')
 
     @api.depends('alias_name')
     def _compute_alias_domain(self):
         self.alias_domain = self.env["ir.config_parameter"].sudo().get_param("mail.catchall.domain")
 
+    @api.depends('alias_domain', 'alias_name')
+    def _compute_alias_email(self):
+        """ Alias email can be used in views, as it is Falsy when having no domain
+        or no name. Alias display name itself contains more info and cannot be
+        used as it is in views. """
+        self.alias_email = False
+        for record in self.filtered(lambda rec: rec.alias_name and rec.alias_domain):
+            record.alias_email = f"{record.alias_name}@{record.alias_domain}"
+
     # --------------------------------------------------
     # CRUD
     # --------------------------------------------------
diff --git a/addons/mail_group/__manifest__.py b/addons/mail_group/__manifest__.py
index 2a826c87cf5..dff07319647 100644
--- a/addons/mail_group/__manifest__.py
+++ b/addons/mail_group/__manifest__.py
@@ -7,7 +7,7 @@
     'description': """
         Manage your mailing lists from Odoo.
     """,
-    'version': '1.0',
+    'version': '1.1',
     'depends': [
         'mail',
         'portal',
diff --git a/addons/mail_group/models/mail_group.py b/addons/mail_group/models/mail_group.py
index b6e71dd72ae..8b7a1ced173 100644
--- a/addons/mail_group/models/mail_group.py
+++ b/addons/mail_group/models/mail_group.py
@@ -45,8 +45,6 @@ class MailGroup(models.Model):
 
     active = fields.Boolean('Active', default=True)
     name = fields.Char('Name', required=True, translate=True)
-    alias_name = fields.Char('Alias Name', copy=False, related='alias_id.alias_name', readonly=False)
-    alias_fullname = fields.Char('Alias Full Name', compute='_compute_alias_fullname')
     description = fields.Text('Description')
     image_128 = fields.Image('Image', max_width=128, max_height=128)
     # Messages
@@ -85,14 +83,6 @@ class MailGroup(models.Model):
     # UI
     can_manage_group = fields.Boolean('Can Manage', help='Can manage the members', compute='_compute_can_manage_group')
 
-    @api.depends('alias_name', 'alias_domain')
-    def _compute_alias_fullname(self):
-        for group in self:
-            if group.alias_name and group.alias_domain:
-                group.alias_fullname = f'{group.alias_name}@{group.alias_domain}'
-            else:
-                group.alias_fullname = group.alias_name
-
     @api.depends('mail_group_message_ids.create_date', 'mail_group_message_ids.moderation_status')
     def _compute_mail_group_message_last_month_count(self):
         month_date = datetime.today() - relativedelta.relativedelta(months=1)
@@ -436,11 +426,11 @@ class MailGroup(models.Model):
                     'Precedence': 'list',
                     'X-Auto-Response-Suppress': 'OOF',  # avoid out-of-office replies from MS Exchange
                 }
-                if self.alias_name and self.alias_domain:
+                if self.alias_email:
                     headers.update({
-                        'List-Id': f'<{self.alias_name}.{self.alias_domain}>',
-                        'List-Post': f'<mailto:{self.alias_name}@{self.alias_domain}>',
-                        'X-Forge-To': f'"{self.name}" <{self.alias_name}@{self.alias_domain}>',
+                        'List-Id': f'<{self.alias_email}>',
+                        'List-Post': f'<mailto:{self.alias_email}>',
+                        'X-Forge-To': f'"{self.name}" <{self.alias_email}>',
                     })
 
                 if message.mail_message_id.parent_id:
@@ -448,7 +438,7 @@ class MailGroup(models.Model):
 
                 # Add the footer (member specific) in the body
                 template_values = {
-                    'mailto': f'{self.alias_name}@{self.alias_domain}',
+                    'mailto': f'{self.alias_email}',
                     'group_url': f'{base_url}/groups/{slug(self)}',
                     'unsub_label': f'{base_url}/groups?unsubscribe',
                     'unsub_url':  f'{base_url}/groups?unsubscribe&group_id={self.id}&token={access_token}&email={email_url_encoded}',
diff --git a/addons/mail_group/views/mail_group_views.xml b/addons/mail_group/views/mail_group_views.xml
index 2248cff9905..821cb438ef2 100644
--- a/addons/mail_group/views/mail_group_views.xml
+++ b/addons/mail_group/views/mail_group_views.xml
@@ -6,7 +6,7 @@
         <field name="arch" type="xml">
             <tree sample="1">
                 <field name="name"/>
-                <field name="alias_fullname" string="Alias"/>
+                <field name="alias_email" string="Alias"/>
                 <field name="moderation" string="Moderated"/>
                 <field name="member_count" string="Members"/>
             </tree>
diff --git a/addons/mail_group/views/portal_templates.xml b/addons/mail_group/views/portal_templates.xml
index 579bdd52b19..49f6d0783a2 100644
--- a/addons/mail_group/views/portal_templates.xml
+++ b/addons/mail_group/views/portal_templates.xml
@@ -30,10 +30,10 @@
                         <div t-else="" class="o_image_64_cover float-start me-3 d-lg-block d-md-none"/>
                         <div class="d-flex flex-row">
                             <strong><a t-attf-href="/groups/#{ slug(group) }" t-esc="group.name"/></strong>
-                            <div t-if="group.alias_id and group.alias_id.alias_name and group.alias_id.alias_domain"
+                            <div t-if="group.alias_email"
                                 class="d-flex align-items-center ms-3">
                                 <i class="fa fa-envelope-o me-1" role="img" aria-label="Alias" title="Alias"/>
-                                <a class="text-break" t-attf-href="mailto:#{group.alias_id.alias_name}@#{group.alias_id.alias_domain}" t-field="group.alias_id"/>
+                                <a class="text-break" t-attf-href="mailto:#{group.alias_email}" t-field="group.alias_email"/>
                             </div>
                         </div>
                         <div t-field="group.description" class="text-muted d-flex"/>
@@ -277,9 +277,9 @@
 
     <template id="group_name">
         <h1 class="text-center" t-esc="group.name"/>
-        <h4 class="text-center text-muted" t-if="group.alias_id and group.alias_id.sudo().alias_name and group.alias_id.sudo().alias_domain">
+        <h4 class="text-center text-muted" t-if="group.alias_email">
             <i class="fa fa-envelope-o" role="img" aria-label="Alias" title="Alias"/>
-            <a class="text-break" t-attf-href="mailto:#{group.alias_id.sudo().display_name}" t-field="group.alias_id"/>
+            <a class="text-break" t-attf-href="mailto:#{group.alias_email}" t-field="group.alias_email"/>
         </h4>
     </template>
 
diff --git a/addons/maintenance/models/maintenance.py b/addons/maintenance/models/maintenance.py
index 63c9b71f9d4..c4ad06339ac 100644
--- a/addons/maintenance/models/maintenance.py
+++ b/addons/maintenance/models/maintenance.py
@@ -47,9 +47,7 @@ class MaintenanceEquipmentCategory(models.Model):
     equipment_count = fields.Integer(string="Equipment Count", compute='_compute_equipment_count')
     maintenance_ids = fields.One2many('maintenance.request', 'category_id', copy=False)
     maintenance_count = fields.Integer(string="Maintenance Count", compute='_compute_maintenance_count')
-    alias_id = fields.Many2one(
-        'mail.alias', 'Alias', ondelete='restrict', required=True,
-        help="Email alias for this equipment category. New emails will automatically "
+    alias_id = fields.Many2one(help="Email alias for this equipment category. New emails will automatically "
         "create a new equipment under this category.")
     fold = fields.Boolean(string='Folded in Maintenance Pipe', compute='_compute_fold', store=True)
 
diff --git a/addons/project/__manifest__.py b/addons/project/__manifest__.py
index 3e41a747514..81eca7903c0 100644
--- a/addons/project/__manifest__.py
+++ b/addons/project/__manifest__.py
@@ -3,7 +3,7 @@
 
 {
     'name': 'Project',
-    'version': '1.2',
+    'version': '1.3',
     'website': 'https://www.odoo.com/app/project',
     'category': 'Services/Project',
     'sequence': 45,
diff --git a/addons/project/data/digest_data.xml b/addons/project/data/digest_data.xml
index 7fba15b1a85..8be2e75226c 100644
--- a/addons/project/data/digest_data.xml
+++ b/addons/project/data/digest_data.xml
@@ -30,8 +30,8 @@
 <div>
     <t t-set="project_record" t-value="object.env['project.project'].search([('alias_name', '!=', False)], limit=1, order='sequence asc')"/>
     <p class="tip_title">Tip: Create tasks from incoming emails</p>
-    <t t-if="project_record and project_record.alias_domain">
-        <p class="tip_content">Emails sent to <a t-attf-href="mailto:{{project_record.alias_value}}" target="_blank" style="color: #875a7b; text-decoration: none;"><t t-out="project_record.alias_value" /></a> will generate tasks in your <t t-out="project_record.name"></t> project.</p>
+    <t t-if="project_record.alias_email">
+        <p class="tip_content">Emails sent to <a t-attf-href="mailto:{{project_record.alias_email}}" target="_blank" style="color: #875a7b; text-decoration: none;"><t t-out="project_record.alias_email" /></a> will generate tasks in your <t t-out="project_record.name"></t> project.</p>
     </t>
     <t t-else="">
         <p class="tip_content">Create tasks by sending an email to the email address of your project.</p>
diff --git a/addons/project/models/project_project.py b/addons/project/models/project_project.py
index e07d0aeb8ba..e4ca767ebf6 100644
--- a/addons/project/models/project_project.py
+++ b/addons/project/models/project_project.py
@@ -130,10 +130,8 @@ class Project(models.Model):
     color = fields.Integer(string='Color Index')
     user_id = fields.Many2one('res.users', string='Project Manager', default=lambda self: self.env.user, tracking=True)
     alias_enabled = fields.Boolean(string='Use Email Alias', compute='_compute_alias_enabled', readonly=False)
-    alias_id = fields.Many2one('mail.alias', string='Alias', ondelete="restrict", required=True,
-        help="Internal email associated with this project. Incoming emails are automatically synchronized "
-             "with Tasks (or optionally Issues if the Issue Tracker module is installed).")
-    alias_value = fields.Char(string='Alias email', compute='_compute_alias_value')
+    alias_id = fields.Many2one(help="Internal email associated with this project. Incoming emails are automatically synchronized "
+                                    "with Tasks (or optionally Issues if the Issue Tracker module is installed).")
     privacy_visibility = fields.Selection([
             ('followers', 'Invited internal users (private)'),
             ('employees', 'All internal users'),
@@ -217,7 +215,7 @@ class Project(models.Model):
 
     def _compute_alias_enabled(self):
         for project in self:
-            project.alias_enabled = project.alias_domain and project.alias_id.alias_name
+            project.alias_enabled = bool(project.alias_email)
 
     def _compute_access_url(self):
         super(Project, self)._compute_access_url()
@@ -337,14 +335,6 @@ class Project(models.Model):
             operator_new = 'not inselect'
         return [('id', operator_new, (query, ()))]
 
-    @api.depends('alias_name', 'alias_domain')
-    def _compute_alias_value(self):
-        for project in self:
-            if not project.alias_name or not project.alias_domain:
-                project.alias_value = ''
-            else:
-                project.alias_value = "%s@%s" % (project.alias_name, project.alias_domain)
-
     @api.depends('collaborator_ids', 'privacy_visibility')
     def _compute_collaborator_count(self):
         project_sharings = self.filtered(lambda project: project.privacy_visibility == 'portal')
diff --git a/addons/project/views/project_project_views.xml b/addons/project/views/project_project_views.xml
index 7417738bbf9..d21cc8dec6b 100644
--- a/addons/project/views/project_project_views.xml
+++ b/addons/project/views/project_project_views.xml
@@ -96,7 +96,7 @@
                                         <!-- Always display the whole alias in edit mode. It depends in read only -->
                                         <field name="alias_enabled" invisible="1"/>
                                         <label for="alias_name" class="fw-bold o_form_label" string="Create tasks by sending an email to"/>
-                                        <field name="alias_value" class="oe_read_only d-inline" readonly="1" widget="email" attrs="{'invisible':  [('alias_name', '=', False)]}" />
+                                        <field name="alias_email" class="oe_read_only d-inline" readonly="1" widget="email" attrs="{'invisible':  [('alias_name', '=', False)]}" />
                                         <span class="oe_edit_only o_row">
                                             <field name="alias_name" class="oe_inline"/>@<field name="alias_domain" class="oe_inline" readonly="1"/>
                                         </span>
@@ -375,7 +375,7 @@
                     <field name="milestone_count"/>
                     <field name="allow_milestones"/>
                     <field name="label_tasks"/>
-                    <field name="alias_id"/>
+                    <field name="alias_email"/>
                     <field name="alias_name"/>
                     <field name="alias_domain"/>
                     <field name="is_favorite"/>
@@ -449,8 +449,8 @@
                                                     <i t-if="record.date.raw_value and record.date_start.raw_value" class="fa fa-long-arrow-right mx-2 oe_read_only" aria-label="Arrow icon" title="Arrow"/>
                                                     <field name="date"/>
                                                 </div>
-                                                <div t-if="record.alias_name.value and record.alias_domain.value" class="text-muted text-truncate" t-att-title="record.alias_id.value">
-                                                    <span class="fa fa-envelope-o me-2" aria-label="Domain Alias" title="Domain Alias"></span><t t-esc="record.alias_id.value"/>
+                                                <div t-if="record.alias_email.value" class="text-muted text-truncate" t-att-title="record.alias_email.value">
+                                                    <span class="fa fa-envelope-o me-2" aria-label="Domain Alias" title="Domain Alias"></span><t t-esc="record.alias_email.value"/>
                                                 </div>
                                                 <div t-if="record.rating_active.raw_value and record.rating_count.raw_value &gt; 0" class="text-muted" groups="project.group_project_rating">
                                                     <b class="me-1">
diff --git a/addons/test_mail/models/test_mail_models.py b/addons/test_mail/models/test_mail_models.py
index 484787c0711..866948ad4a8 100644
--- a/addons/test_mail/models/test_mail_models.py
+++ b/addons/test_mail/models/test_mail_models.py
@@ -331,9 +331,6 @@ class MailTestContainer(models.Model):
     name = fields.Char()
     description = fields.Text()
     customer_id = fields.Many2one('res.partner', 'Customer')
-    alias_id = fields.Many2one(
-        'mail.alias', 'Alias',
-        delegate=True)
 
     def _mail_get_partner_fields(self, introspect_fields=False):
         return ['customer_id']