diff --git a/README.md b/README.md
index 1dae2ca..b49d64e 100644
--- a/README.md
+++ b/README.md
@@ -307,7 +307,7 @@ Some points to note: <ul> <li>Only files present in the <b>vault</b> can be atta
 #### Action Parameters
 PARAMETER | REQUIRED | DESCRIPTION | TYPE | CONTAINS
 --------- | -------- | ----------- | ---- | --------
-**from** |  optional  | Sender Address, domain can not include 'phantom', 'splunk', or 'cisco' | string |  `email` 
+**from** |  optional  | Sender Address | string |  `email` 
 **to** |  required  | List of recipients email addresses | string |  `email` 
 **cc** |  optional  | List of recipients email addresses to include on cc line | string |  `email` 
 **bcc** |  optional  | List of recipients email addresses to include on bcc line | string |  `email` 
@@ -367,7 +367,7 @@ If the <b>from</b> parameter is not provided, then the action will consider the
 #### Action Parameters
 PARAMETER | REQUIRED | DESCRIPTION | TYPE | CONTAINS
 --------- | -------- | ----------- | ---- | --------
-**from** |  optional  | Sender Address, domain can not include 'phantom', 'splunk', or 'cisco' | string |  `email` 
+**from** |  optional  | Sender Address | string |  `email` 
 **to** |  required  | List of recipients email addresses | string |  `email` 
 **cc** |  optional  | List of recipients email addresses to include on cc line | string |  `email` 
 **bcc** |  optional  | List of recipients email addresses to include on bcc line | string |  `email` 
diff --git a/release_notes/3.2.1.md b/release_notes/3.2.1.md
new file mode 100644
index 0000000..8f8a5b0
--- /dev/null
+++ b/release_notes/3.2.1.md
@@ -0,0 +1 @@
+* Removed doamin restrictions for 'from' field in **send email** and **send htmlemail** actions as they were too strict [PAPP-34625]
\ No newline at end of file
diff --git a/smtp.json b/smtp.json
index 1a24b8d..c52ff41 100644
--- a/smtp.json
+++ b/smtp.json
@@ -6,7 +6,7 @@
     "type": "email",
     "main_module": "smtp_connector.py",
     "app_version": "3.3.0",
-    "utctime_updated": "2023-01-23T18:26:04.000000Z",
+    "utctime_updated": "2024-03-06T13:04:08.000000Z",
     "package_name": "phantom_smtp",
     "product_vendor": "Generic",
     "product_name": "SMTP",
@@ -135,7 +135,7 @@
             "read_only": false,
             "parameters": {
                 "from": {
-                    "description": "Sender Address, domain can not include 'phantom', 'splunk', or 'cisco'",
+                    "description": "Sender Address",
                     "data_type": "string",
                     "order": 0,
                     "contains": [
@@ -404,7 +404,7 @@
             "read_only": false,
             "parameters": {
                 "from": {
-                    "description": "Sender Address, domain can not include 'phantom', 'splunk', or 'cisco'",
+                    "description": "Sender Address",
                     "data_type": "string",
                     "order": 0,
                     "primary": true,
diff --git a/smtp_connector.py b/smtp_connector.py
index 078aa1a..d24d4d8 100644
--- a/smtp_connector.py
+++ b/smtp_connector.py
@@ -238,21 +238,6 @@ def _validate_integer(self, action_result, parameter, key, allow_zero=False):
 
         return phantom.APP_SUCCESS, parameter
 
-    def _validate_sender_email(self, action_result, input_data):
-        # sender emails also have additional restriction
-        # to not include splunk related terms in the domain name
-        restricted_domains = ["splunk", "cisco", "phantom"]
-        domain = input_data.split("@")[-1].lower()
-
-        if any(restricted_domain in domain for restricted_domain in restricted_domains):
-            return action_result.set_status(
-                phantom.APP_ERROR,
-                "The domain provided in email is restricted (contains one of : splunk, cisco, phantom).\
-                    Please use a different email in the 'from' field."
-            )
-
-        return action_result.set_status(phantom.APP_SUCCESS)
-
     def make_rest_call(self, action_result, url, verify=False):
 
         try:
@@ -812,7 +797,6 @@ def _is_html(self, body):
         return False
 
     def _send_email(self, param, action_result):
-        action_id = self.get_action_identifier()
 
         # username = self.get_config()[phantom.APP_JSON_USERNAME]
         config = self.get_config()
@@ -821,12 +805,6 @@ def _send_email(self, param, action_result):
         sender_address = config.get('sender_address', config.get(phantom.APP_JSON_USERNAME))
         email_from = param.get(SMTP_JSON_FROM, sender_address)
 
-        # validate sender email if inputted as a parameter
-        if action_id != "test_connectivity" and param.get(SMTP_JSON_FROM):
-            ret_val = self._validate_sender_email(action_result, email_from)
-            if phantom.is_fail(ret_val):
-                return action_result.get_status()
-
         encoding = config.get(SMTP_ENCODING, False)
         smtputf8 = config.get(SMTP_ALLOW_SMTPUTF8, False)
         body = param[SMTP_JSON_BODY]
@@ -1048,12 +1026,6 @@ def _handle_send_htmlemail(self, param):  # noqa: C901
         sender_address = config.get('sender_address', config.get(phantom.APP_JSON_USERNAME))
         email_from = param.get(SMTP_JSON_FROM, sender_address)
 
-        # validate sender email if inputted as a parameter
-        if param.get(SMTP_JSON_FROM):
-            ret_val = self._validate_sender_email(action_result, email_from)
-            if phantom.is_fail(ret_val):
-                return action_result.get_status()
-
         email_to = param['to']
         email_cc = param.get('cc')
         email_bcc = param.get('bcc')