added pluggable email backends for aws ses, sendgrid, mandrill, mailgun, can send mail to active/inactive email ids with respective email senders

crm/helper.py

@@ -0,0 +1,62 @@
+import boto.ses
+import sendgrid
+import requests
+import mandrill
+from django.core.mail import EmailMultiAlternatives
+from django.conf import settings
+
+
+def send_mail(mto, mfrom, msubject, mbody, user_active):
+    if mfrom:
+        mfrom = mfrom
+    else:
+        mfrom = settings.DEFAULT_FROM_EMAIL
+    if user_active:
+        mail_sender = settings.MAIL_SENDER
+    else:
+        mail_sender = settings.INACTIVE_MAIL_SENDER
+    if mail_sender == 'AMAZON':
+        # conn=SESConnection(settings.AM_ACCESS_KEY, settings.AM_PASS_KEY)
+        conn = boto.ses.connect_to_region(
+            settings.AWS_REGION,
+            aws_access_key_id=settings.AM_ACCESS_KEY,
+            aws_secret_access_key=settings.AM_PASS_KEY
+        )
+        response = conn.send_email(mfrom, msubject, mbody, mto, format='html')
+    elif mail_sender == 'MAILGUN':
+        response = requests.post(
+            settings.MGUN_API_URL,
+            auth=('api', settings.MGUN_API_KEY),
+            data={
+                'from': mfrom,
+                'to': mto,
+                'subject': msubject,
+                'html': mbody,
+            })
+    elif mail_sender == 'SENDGRID':
+        sg = sendgrid.SendGridClient(settings.SG_USER, settings.SG_PWD)
+        sending_msg = sendgrid.Mail()
+        sending_msg.set_subject(msubject)
+        sending_msg.set_html(mbody)
+        sending_msg.set_text(msubject)
+        sending_msg.set_from(mfrom)
+        sending_msg.add_to(mto)
+        response = sg.send(sending_msg)
+    elif mail_sender == 'MANDRILL':
+        api_key = settings.MANDRILL_API_KEY
+        mandrill_client = mandrill.Mandrill(api_key)
+
+        message = {
+            "html": mbody,
+            "subject": msubject,
+            "from_email": mfrom,
+            "from_name": "Django CRM",
+            "to": [{'email': i, 'type': 'to'} for i in mto]
+        }
+        response = mandrill_client.messages.send(message=message)
+
+    else:
+        msg = EmailMultiAlternatives(msubject, mbody, mfrom, [mto])
+        msg.attach_alternative(mbody, "text/html")
+        response = msg.send()
+    return response

crm/settings.py

@@ -171,3 +171,19 @@ COMPRESS_PRECOMPILERS = (
 COMPRESS_OFFLINE_CONTEXT = {
     'STATIC_URL': 'STATIC_URL',
 }
+
+DEFAULT_FROM_EMAIL = 'no-reply@django-crm.micropyramid.com'
+MAIL_SENDER = 'AMAZON'
+INACTIVE_MAIL_SENDER = 'MANDRILL'
+
+AM_ACCESS_KEY = os.getenv('AM_ACCESS_KEY', '')
+AM_PASS_KEY = os.getenv('AM_PASS_KEY', '')
+AWS_REGION = os.getenv('AWS_REGION', '')
+
+MGUN_API_URL = os.getenv('MGUN_API_URL', '')
+MGUN_API_KEY = os.getenv('MGUN_API_KEY', '')
+
+SG_USER = os.getenv('SG_USER', '')
+SG_PWD = os.getenv('SG_PWD', '')
+
+MANDRILL_API_KEY = os.getenv('MANDRILL_API_KEY', '')