diff --git a/docs/en_US/release_notes_8_12.rst b/docs/en_US/release_notes_8_12.rst
index 48f800296..3c21bf6d1 100644
--- a/docs/en_US/release_notes_8_12.rst
+++ b/docs/en_US/release_notes_8_12.rst
@@ -21,6 +21,7 @@ New features
 ************
 
   | `Issue #1900 <https://github.com/pgadmin-org/pgadmin4/issues/1900>`_ -  Added feature to restore preferences to their default values.
+  | `Issue #6222 <https://github.com/pgadmin-org/pgadmin4/issues/6222>`_ -  Add a new config variable - ALLOW_SPECIAL_EMAIL_DOMAINS to allow special domains for pgAdmin user emails.
   | `Issue #7293 <https://github.com/pgadmin-org/pgadmin4/issues/7293>`_ -  Allow running non-continuous selected SQL code blocks in the query tool.
 
 Housekeeping
diff --git a/web/config.py b/web/config.py
index 53145d159..a49ba1f09 100644
--- a/web/config.py
+++ b/web/config.py
@@ -400,6 +400,7 @@ SECURITY_EMAIL_SUBJECT_PASSWORD_CHANGE_NOTICE = \
 CHECK_EMAIL_DELIVERABILITY = False
 SECURITY_EMAIL_VALIDATOR_ARGS = \
     {"check_deliverability": CHECK_EMAIL_DELIVERABILITY}
+ALLOW_SPECIAL_EMAIL_DOMAINS = []
 
 ##########################################################################
 # Upgrade checks
diff --git a/web/pgadmin/evaluate_config.py b/web/pgadmin/evaluate_config.py
index 54475eac6..ac1384b0f 100644
--- a/web/pgadmin/evaluate_config.py
+++ b/web/pgadmin/evaluate_config.py
@@ -10,6 +10,7 @@
 import os
 import sys
 import keyring
+import email_validator
 
 # User configs loaded from config_local, config_distro etc.
 custom_config_settings = {}
@@ -136,4 +137,13 @@ def evaluate_and_patch_config(config: dict) -> dict:
             'SESSION_COOKIE_PATH': os.environ["SCRIPT_NAME"],
         }))
 
+    # Allow special email domains
+    try:
+        email_validator.SPECIAL_USE_DOMAIN_NAMES = [
+            d for d in email_validator.SPECIAL_USE_DOMAIN_NAMES
+            if d not in config.get('ALLOW_SPECIAL_EMAIL_DOMAINS', [])
+        ]
+    except Exception:
+        pass
+
     return config