diff --git a/app/config.py b/app/config.py
index 81bab624e..f3cb2e040 100644
--- a/app/config.py
+++ b/app/config.py
@@ -144,8 +144,8 @@ class Config(object):
 
     # these should always add up to 100%
     SMS_PROVIDER_RESTING_POINTS = {
-        'mmg': 50,
-        'firetext': 50
+        'mmg': 70,
+        'firetext': 30
     }
 
     NOTIFY_SERVICE_ID = 'd6aa2c68-a2d9-4437-ab19-3ae8eb202553'
@@ -459,7 +459,7 @@ class Preview(Config):
     INVALID_PDF_BUCKET_NAME = 'preview-letters-invalid-pdf'
     TRANSIENT_UPLOADED_LETTERS = 'preview-transient-uploaded-letters'
     LETTER_SANITISE_BUCKET_NAME = 'preview-letters-sanitise'
-    CBC_PROXY_URL = 'https://notify-stub-cbc-sandbox.cloudapps.digital'
+    CBC_PROXY_URL = 'https://notify-stub-cbc-preview.cloudapps.digital'
     FROM_NUMBER = 'preview'
     API_RATE_LIMIT_ENABLED = True
     CHECK_PROXY_HEADER = False
@@ -477,7 +477,7 @@ class Staging(Config):
     INVALID_PDF_BUCKET_NAME = 'staging-letters-invalid-pdf'
     TRANSIENT_UPLOADED_LETTERS = 'staging-transient-uploaded-letters'
     LETTER_SANITISE_BUCKET_NAME = 'staging-letters-sanitise'
-    CBC_PROXY_URL = 'https://notify-stub-cbc-sandbox.cloudapps.digital'
+    CBC_PROXY_URL = 'https://notify-stub-cbc-staging.cloudapps.digital'
     FROM_NUMBER = 'stage'
     API_RATE_LIMIT_ENABLED = True
     CHECK_PROXY_HEADER = True
@@ -496,7 +496,7 @@ class Live(Config):
     INVALID_PDF_BUCKET_NAME = 'production-letters-invalid-pdf'
     TRANSIENT_UPLOADED_LETTERS = 'production-transient-uploaded-letters'
     LETTER_SANITISE_BUCKET_NAME = 'production-letters-sanitise'
-    CBC_PROXY_URL = 'https://notify-stub-cbc-sandbox.cloudapps.digital'
+    CBC_PROXY_URL = 'https://notify-stub-cbc-production.cloudapps.digital'
     FROM_NUMBER = 'GOVUK'
     PERFORMANCE_PLATFORM_ENABLED = True
     API_RATE_LIMIT_ENABLED = True
diff --git a/migrations/versions/0325_int_letter_rates_fix.py b/migrations/versions/0325_int_letter_rates_fix.py
new file mode 100644
index 000000000..16f0b47fb
--- /dev/null
+++ b/migrations/versions/0325_int_letter_rates_fix.py
@@ -0,0 +1,32 @@
+"""
+
+Revision ID: 0325_int_letter_rates_fix
+Revises: 0324_int_letter_rates
+Create Date: 2020-07-15 10:09:17.218183
+
+"""
+from datetime import datetime
+
+from alembic import op
+from sqlalchemy.sql import text
+
+revision = '0325_int_letter_rates_fix'
+down_revision = '0324_int_letter_rates'
+
+
+old_start_date = datetime(2020, 7, 1, 0, 0)
+new_start_date = datetime(2020, 6, 30, 23, 0)
+
+
+def upgrade():
+    conn = op.get_bind()
+    conn.execute(text(
+        """UPDATE letter_rates SET start_date = :new_start_date WHERE start_date = :old_start_date"""
+    ), new_start_date=new_start_date, old_start_date=old_start_date)
+
+
+def downgrade():
+    conn = op.get_bind()
+    conn.execute(text(
+        """UPDATE letter_rates SET start_date = :old_start_date WHERE start_date = :new_start_date"""
+    ), old_start_date=old_start_date, new_start_date=new_start_date)