diff --git a/docs/my-website/docs/proxy/config_settings.md b/docs/my-website/docs/proxy/config_settings.md
index 4a10cea7ab..83b6535f75 100644
--- a/docs/my-website/docs/proxy/config_settings.md
+++ b/docs/my-website/docs/proxy/config_settings.md
@@ -488,12 +488,12 @@ router_settings:
 | SLACK_DAILY_REPORT_FREQUENCY | Frequency of daily Slack reports (e.g., daily, weekly)
 | SLACK_WEBHOOK_URL | Webhook URL for Slack integration
 | SMTP_HOST | Hostname for the SMTP server
-| SMTP_PASSWORD | Password for SMTP authentication
+| SMTP_PASSWORD | Password for SMTP authentication (do not set if SMTP does not require auth)
 | SMTP_PORT | Port number for SMTP server
 | SMTP_SENDER_EMAIL | Email address used as the sender in SMTP transactions
 | SMTP_SENDER_LOGO | Logo used in emails sent via SMTP
 | SMTP_TLS | Flag to enable or disable TLS for SMTP connections
-| SMTP_USERNAME | Username for SMTP authentication
+| SMTP_USERNAME | Username for SMTP authentication (do not set if SMTP does not require auth)
 | SPEND_LOGS_URL | URL for retrieving spend logs
 | SSL_CERTIFICATE | Path to the SSL certificate file
 | SSL_VERIFY | Flag to enable or disable SSL certificate verification
diff --git a/litellm/model_prices_and_context_window_backup.json b/litellm/model_prices_and_context_window_backup.json
index ded43b9d02..30912186e5 100644
--- a/litellm/model_prices_and_context_window_backup.json
+++ b/litellm/model_prices_and_context_window_backup.json
@@ -8205,6 +8205,24 @@
         "litellm_provider": "perplexity", 
         "mode": "chat" 
     },
+    "perplexity/sonar": { 
+        "max_tokens": 127072,
+        "max_input_tokens": 127072,
+        "max_output_tokens": 127072,
+        "input_cost_per_token": 0.000001, 
+        "output_cost_per_token": 0.000001,  
+        "litellm_provider": "perplexity", 
+        "mode": "chat" 
+    },
+    "perplexity/sonar-pro": { 
+        "max_tokens": 200000,
+        "max_input_tokens": 200000,
+        "max_output_tokens": 8096,
+        "input_cost_per_token": 0.000003, 
+        "output_cost_per_token": 0.000015,  
+        "litellm_provider": "perplexity", 
+        "mode": "chat" 
+    },
     "perplexity/pplx-7b-chat": { 
         "max_tokens": 8192,
         "max_input_tokens": 8192,
diff --git a/litellm/proxy/utils.py b/litellm/proxy/utils.py
index da98c2540f..c1b2409007 100644
--- a/litellm/proxy/utils.py
+++ b/litellm/proxy/utils.py
@@ -2322,12 +2322,6 @@ async def send_email(receiver_email, subject, html):
     if smtp_host is None:
         raise ValueError("Trying to use SMTP, but SMTP_HOST is not set")
 
-    if smtp_username is None:
-        raise ValueError("Trying to use SMTP, but SMTP_USERNAME is not set")
-
-    if smtp_password is None:
-        raise ValueError("Trying to use SMTP, but SMTP_PASSWORD is not set")
-
     # Attach the body to the email
     email_message.attach(MIMEText(html, "html"))
 
@@ -2337,8 +2331,9 @@ async def send_email(receiver_email, subject, html):
             if os.getenv("SMTP_TLS", "True") != "False":
                 server.starttls()
 
-            # Login to your email account
-            server.login(smtp_username, smtp_password)  # type: ignore
+            # Login to your email account only if smtp_username and smtp_password are provided
+            if smtp_username and smtp_password:
+                server.login(smtp_username, smtp_password)  # type: ignore
 
             # Send the email
             server.send_message(email_message)
diff --git a/model_prices_and_context_window.json b/model_prices_and_context_window.json
index ded43b9d02..30912186e5 100644
--- a/model_prices_and_context_window.json
+++ b/model_prices_and_context_window.json
@@ -8205,6 +8205,24 @@
         "litellm_provider": "perplexity", 
         "mode": "chat" 
     },
+    "perplexity/sonar": { 
+        "max_tokens": 127072,
+        "max_input_tokens": 127072,
+        "max_output_tokens": 127072,
+        "input_cost_per_token": 0.000001, 
+        "output_cost_per_token": 0.000001,  
+        "litellm_provider": "perplexity", 
+        "mode": "chat" 
+    },
+    "perplexity/sonar-pro": { 
+        "max_tokens": 200000,
+        "max_input_tokens": 200000,
+        "max_output_tokens": 8096,
+        "input_cost_per_token": 0.000003, 
+        "output_cost_per_token": 0.000015,  
+        "litellm_provider": "perplexity", 
+        "mode": "chat" 
+    },
     "perplexity/pplx-7b-chat": { 
         "max_tokens": 8192,
         "max_input_tokens": 8192,
diff --git a/tests/local_testing/test_mock_request.py b/tests/local_testing/test_mock_request.py
index 16dc608496..6842767d9d 100644
--- a/tests/local_testing/test_mock_request.py
+++ b/tests/local_testing/test_mock_request.py
@@ -175,4 +175,6 @@ def test_router_mock_request_with_mock_timeout_with_fallbacks():
     print(response)
     end_time = time.time()
     assert end_time - start_time >= 3, f"Time taken: {end_time - start_time}"
-    assert "gpt-35-turbo" in response.model, "Model should be azure gpt-35-turbo"
+    assert (
+        "gpt-3.5-turbo-0125" in response.model
+    ), "Model should be azure gpt-3.5-turbo-0125"