diff --git a/CHANGELOG.md b/CHANGELOG.md
index e056e9f..f5e4557 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,11 @@
+v 1.45.1 [20-Ene-2022]
+----------------------
+    - Error: Al enviar correos con la nueva configuración
+    - Error: Al cancelar CFDI
+
+* IMPORTANTE: Revisa tu configuración de correo para verificar que todo funcione.
+
+
 v 1.45.0 [20-Ene-2022]
 ----------------------
     - Importar Carta Porte desde archivo JSON
diff --git a/VERSION b/VERSION
index 3e59ccd..0c15f2f 100644
--- a/VERSION
+++ b/VERSION
@@ -1,2 +1,2 @@
-1.45.0
+1.45.1
 
diff --git a/source/app/controllers/pacs/comerciodigital/comercio.py b/source/app/controllers/pacs/comerciodigital/comercio.py
index 0d1c48f..595624b 100644
--- a/source/app/controllers/pacs/comerciodigital/comercio.py
+++ b/source/app/controllers/pacs/comerciodigital/comercio.py
@@ -245,7 +245,7 @@ class PACComercioDigital(object):
 
         return headers
 
-    def cancel_xml(self, xml, auth={}, cfdi='', info={'tipo': 'cfdi3.3'}):
+    def cancel_xml(self, xml, auth={}, cfdi='', info={'tipo': 'cfdi'}):
         if DEBUG or not auth:
             auth = AUTH
 
diff --git a/source/app/controllers/utils.py b/source/app/controllers/utils.py
index 28e731e..26cccc1 100644
--- a/source/app/controllers/utils.py
+++ b/source/app/controllers/utils.py
@@ -722,14 +722,10 @@ def xml_cancel(xml, auth, cert, name):
 
 
 def get_client_balance(auth, rfc=''):
-    if DEBUG:
-        return '-d'
-
     pac = PACS[auth['pac']]()
     balance = pac.client_balance(auth, rfc)
     if pac.error:
         balance = 'p/e'
-
     return balance
 
 
diff --git a/source/app/models/main.py b/source/app/models/main.py
index 8074856..3c5c2fb 100644
--- a/source/app/models/main.py
+++ b/source/app/models/main.py
@@ -4897,11 +4897,12 @@ class Facturas(BaseModel):
             files = (cls.get_pdf(id, rfc), cls.get_xml(id))
 
         fields = util.make_fields(obj.xml)
+        starttls = bool(int(values.get('correo_starttls', '0')))
         server = {
             'servidor': values['correo_servidor'],
             'puerto': values['correo_puerto'],
             'ssl': bool(int(values['correo_ssl'])),
-            'starttls': bool(int(values['correo_starttls'])),
+            'starttls': starttls,
             'usuario': values['correo_usuario'],
             'contra': utils.decrypt(contra, rfc),
         }
@@ -6335,10 +6336,12 @@ class PreFacturas(BaseModel):
         rfc = Emisor.select()[0].rfc
 
         asunto = 'Enviamos la prefactura: PRE-{}'.format(obj.folio)
+        starttls = bool(int(values.get('correo_starttls', '0')))
         server = {
             'servidor': values['correo_servidor'],
             'puerto': values['correo_puerto'],
             'ssl': bool(int(values['correo_ssl'])),
+            'starttls': starttls,
             'usuario': values['correo_usuario'],
             'contra': utils.decrypt(contra, rfc),
         }
diff --git a/source/app/settings.py b/source/app/settings.py
index 4ca5055..89a6391 100644
--- a/source/app/settings.py
+++ b/source/app/settings.py
@@ -42,7 +42,7 @@ except ImportError:
 
 
 DEBUG = DEBUG
-VERSION = '1.45.0'
+VERSION = '1.45.1'
 EMAIL_SUPPORT = ('soporte@empresalibre.mx',)
 TITLE_APP = '{} v{}'.format(TITLE_APP, VERSION)