Merge pull request hack4impact#143 from ozbek/config

Move mail configurations to config

Author: sandlerben

config.py

@@ -28,11 +28,13 @@ class Config:
         print('SECRET KEY ENV VAR NOT SET! SHOULD NOT SEE IN PRODUCTION')
     SQLALCHEMY_COMMIT_ON_TEARDOWN = True
 
-    MAIL_SERVER = 'smtp.sendgrid.net'
-    MAIL_PORT = 587
-    MAIL_USE_TLS = True
+    MAIL_SERVER = os.environ.get('MAIL_SERVER') or 'smtp.sendgrid.net'
+    MAIL_PORT = os.environ.get('MAIL_PORT') or 587
+    MAIL_USE_TLS = os.environ.get('MAIL_USE_TLS') or True
+    MAIL_USE_SSL = os.environ.get('MAIL_USE_SSL') or False
     MAIL_USERNAME = os.environ.get('MAIL_USERNAME')
     MAIL_PASSWORD = os.environ.get('MAIL_PASSWORD')
+    MAIL_DEFAULT_SENDER = os.environ.get('MAIL_DEFAULT_SENDER')
 
     ADMIN_PASSWORD = os.environ.get('ADMIN_PASSWORD') or 'password'
     ADMIN_EMAIL = os.environ.get(