diff --git a/content/collections/reference/configuration.md b/content/collections/reference/configuration.md
index 06b73ad5..39e5916d 100644
--- a/content/collections/reference/configuration.md
+++ b/content/collections/reference/configuration.md
@@ -67,24 +67,6 @@ The fetcher section configures how the engine retrieves documents from the web.
     default="en"
 />}}
 
-### Notifier
-
-The notifier section sets up how notifications are sent when new versions of terms are recorded.
-
-{{< refItem
-    name="notifier.sendInBlue.updatesListId"
-    type="string"
-    description="SendInBlue contacts list ID of persons to notify on terms updates."
-    default="850"
-/>}}
-
-{{< refItem
-    name="notifier.sendInBlue.updateTemplateId"
-    type="string"
-    description="SendInBlue email template ID used for updates notifications."
-    default="7"
-/>}}
-
 ### Logger
 
 The logger section configures logging and error notification settings.
@@ -93,21 +75,18 @@ The logger section configures logging and error notification settings.
     name="logger.smtp.host"
     type="string"
     description="SMTP server hostname."
-    default="smtp-relay.brevo.com"
 />}}
 
 {{< refItem
     name="logger.smtp.port"
     type="number"
     description="SMTP server port."
-    default="587"
 />}}
 
 {{< refItem
     name="logger.smtp.username"
     type="string"
     description="Username for SMTP server authentication."
-    default="admin@opentermsarchive.org"
 />}}
 
 {{< refItem
diff --git a/content/collections/reference/environment-variables.md b/content/collections/reference/environment-variables.md
index a7dceaac..30fec768 100644
--- a/content/collections/reference/environment-variables.md
+++ b/content/collections/reference/environment-variables.md
@@ -11,8 +11,6 @@ This reference documentation details all available environment variables that ca
 
 {{< refItem name="OTA_ENGINE_SMTP_PASSWORD" type="string" description="SMTP password for email error notifications." />}}
 
-{{< refItem name="OTA_ENGINE_SENDINBLUE_API_KEY" type="string" description="API key for SendInBlue." />}}
-
 {{< refItem name="OTA_ENGINE_GITHUB_TOKEN" type="string" description="GitHub token for API access and dataset publishing. If both GitHub and GitLab tokens are configured, GitHub takes precedence for dataset publishing." />}}
 
 {{< refItem name="OTA_ENGINE_GITLAB_TOKEN" type="string" description="GitLab token for API access and dataset publishing. Used only if GitHub token is not configured." />}}
diff --git a/content/deployment/how-to/deploy.md b/content/deployment/how-to/deploy.md
index 430b1047..aa131067 100644
--- a/content/deployment/how-to/deploy.md
+++ b/content/deployment/how-to/deploy.md
@@ -232,7 +232,7 @@ This section describes how to configure the engine to use a specific SMTP server
       },
    ```
 
-   > **Note**: If the default port (587) is blocked by your hosting provider, you can try using 2525 as an alternative.
+   > **Note**: If port 587 is blocked by your hosting provider, you can try using 2525 as an alternative.
 
 3. Store the password in `deployment/.env`: