diff --git a/UPGRADING.rst b/UPGRADING.rst
index 31a1e5f0e2..0e0190cfb2 100644
--- a/UPGRADING.rst
+++ b/UPGRADING.rst
@@ -19,16 +19,6 @@ branch that does not have the listed changes, the steps would need to be
 reverted. This is all fairly informal and loosely defined. Hopefully we won't
 have too many entries in this file.
 
-#5246 Route SNS notifications through a Lambda function
-=======================================================
-
-Operator
-~~~~~~~~
-
-Manually deploy the ``shared`` & ``gitlab`` components (in that order)
-of any main deployment just before pushing the merge commit to the
-GitLab instance in that deployment.
-
 
 #5612 AWS Inspector fails to post findings to SNS topic
 =======================================================
diff --git a/src/azul/indexer/notify_service.py b/src/azul/indexer/notify_service.py
index f2a371cb8f..615964611e 100644
--- a/src/azul/indexer/notify_service.py
+++ b/src/azul/indexer/notify_service.py
@@ -28,8 +28,11 @@ def notify_group(self, subject: str, message: str) -> None:
         else:
             body = json.dumps(body, indent=4)
         response = aws.ses.send_email(
-            FromEmailAddress=f'Azul {config.deployment_stage} Monitoring'
-                             f'<notify@{config.domain_name}>',
+            FromEmailAddress=' '.join(['Azul',
+                                       config.deployment_stage,
+                                       'Monitoring',
+                                       '<monitoring@' + config.api_lambda_domain('notify') + '>'
+                                       ]),
             Destination={
                 'ToAddresses': [config.monitoring_email]
             },
diff --git a/terraform/api_gateway.tf.json.template.py b/terraform/api_gateway.tf.json.template.py
index 92bcbdeaa8..c1e460dffa 100644
--- a/terraform/api_gateway.tf.json.template.py
+++ b/terraform/api_gateway.tf.json.template.py
@@ -136,11 +136,22 @@ def for_domain(cls, domain):
     'data': [
         {
             'aws_route53_zone': {
-                zone.slug: {
-                    'name': zone.name,
-                    'private_zone': False
-                }
-                for zone in set(zones_by_domain.values())
+                **{
+                    zone.slug: {
+                        'name': zone.name,
+                        'private_zone': False
+                    }
+                    for zone in set(zones_by_domain.values())
+                },
+                **(
+                    {
+                        'gitlab': {
+                            'name': config.domain_name + '.',
+                            'private_zone': False
+                        }
+                    } if config.enable_monitoring else
+                    {}
+                ),
             },
             'aws_vpc': {
                 'gitlab': {
@@ -499,7 +510,20 @@ def for_domain(cls, domain):
                                    }
                                })
                         } for i, domain in enumerate(app.domains)
-                    }
+                    },
+                    **(
+                        {
+                            'notify_ses': {
+                                'zone_id': '${data.aws_route53_zone.gitlab.id}',
+                                # WIP: `config.api_lambda_domain`, name doesn't match
+                                'name': '_amazonses.' + config.api_lambda_domain('notify'),
+                                'type': 'TXT',
+                                'ttl': '600',
+                                'records': ['${aws_ses_domain_identity.notify.verification_token}']
+                            }
+                        } if app.name == 'indexer' and config.enable_monitoring else
+                        {}
+                    )
                 },
                 'aws_cloudwatch_log_group': {
                     app.name: {
@@ -621,6 +645,42 @@ def for_domain(cls, domain):
                         }
                     )
                 },
+                **(
+                    {
+                        'aws_ses_domain_identity': {
+                            'notify': {
+                                'domain': config.api_lambda_domain('notify')
+                            }
+                        },
+                        'aws_ses_identity_policy': {
+                            'notify': {
+                                'identity': '${aws_ses_domain_identity.notify.arn}',
+                                'name': config.qualified_resource_name('notify'),
+                                'policy': json.dumps({
+                                    'Version': '2012-10-17',
+                                    'Statement': [
+                                        {
+                                            'Effect': 'Allow',
+                                            'Principal': {
+                                                'AWS': 'arn:aws:sts::' + aws.account
+                                                       + '/'.join([':assumed-role',
+                                                                   config.qualified_resource_name(app.name),
+                                                                   config.qualified_resource_name(app.name,
+                                                                                                  '-notify')
+                                                                   ])
+                                            },
+                                            'Action': [
+                                                'ses:SendEmail',
+                                                'ses:SendRawEmail'
+                                            ],
+                                            'Resource': '${aws_ses_domain_identity.notify.arn}',
+                                        }
+                                    ]
+                                })
+                            }
+                        }
+                    } if app.name == 'indexer' and config.enable_monitoring else {}
+                ),
                 **(
                     {
                         'aws_lb': {
diff --git a/terraform/gitlab/gitlab.tf.json.template.py b/terraform/gitlab/gitlab.tf.json.template.py
index 291950f96d..8f27910e91 100644
--- a/terraform/gitlab/gitlab.tf.json.template.py
+++ b/terraform/gitlab/gitlab.tf.json.template.py
@@ -301,11 +301,6 @@ def qq(*words):
                 'private_zone': False
             }
         },
-        'aws_ses_domain_identity': {
-            'notify': {
-                'domain': config.domain_name
-            }
-        },
         'aws_s3_bucket': {
             'logs': {
                 'bucket': aws.logs_bucket,
@@ -1365,13 +1360,6 @@ def qq(*words):
                     'zone_id': '${aws_lb.gitlab_nlb.zone_id}',
                     'evaluate_target_health': False
                 }
-            },
-            'notify_ses': {
-                'zone_id': '${data.aws_route53_zone.gitlab.id}',
-                'name': f'_amazonses.{config.domain_name}',
-                'type': 'TXT',
-                'ttl': '600',
-                'records': ['${data.aws_ses_domain_identity.notify.verification_token}']
             }
         },
         'aws_network_interface': {
diff --git a/terraform/shared/shared.tf.json.template.py b/terraform/shared/shared.tf.json.template.py
index 974412ecfb..f0013e3612 100644
--- a/terraform/shared/shared.tf.json.template.py
+++ b/terraform/shared/shared.tf.json.template.py
@@ -898,34 +898,6 @@ def paren(s: str) -> str:
                 })
             }
         },
-        'aws_ses_domain_identity': {
-            'notify': {
-                'domain': config.domain_name
-            }
-        },
-        'aws_ses_identity_policy': {
-            'notify': {
-                'identity': '${aws_ses_domain_identity.notify.arn}',
-                'name': config.qualified_resource_name('notify'),
-                'policy': json.dumps({
-                    'Version': '2012-10-17',
-                    'Statement': [
-                        {
-                            'Effect': 'Allow',
-                            'Principal': {
-                                'AWS': f'arn:aws:sts::{aws.account}:assumed-role/{config.indexer_name}/'
-                                       f'{config.indexer_function_name("notify")}'
-                            },
-                            'Action': [
-                                'ses:SendEmail',
-                                'ses:SendRawEmail'
-                            ],
-                            'Resource': '${aws_ses_domain_identity.notify.arn}',
-                        }
-                    ]
-                })
-            }
-        },
         'aws_sns_topic_subscription': {
             'monitoring': {
                 'topic_arn': '${aws_sns_topic.monitoring.arn}',