switch away from mailgun and to external SMTP

ttadmin/common/mailing.py

@@ -1,35 +1,26 @@
 import logging
-
-import requests
+from smtplib import SMTP_SSL, SMTPException
+from email.message import EmailMessage
 
 from django.conf import settings
 
 logger = logging.getLogger()
 
-ADMIN_NAME='vilmibm'
-EXTERNAL_FROM='root@tilde.town'
-REPLY_TO='tildetown@protonmail.ch'
 
 def send_email(to, body, subject='a message from tilde.town'):
-    """Sends an email using mailgun. Logs on failure."""
-    response =  requests.post(
-        settings.MAILGUN_URL,
-        auth=('api', settings.MAILGUN_KEY),
-        data={
-            'from': EXTERNAL_FROM,
-            'h:Reply-To': REPLY_TO,
-            'to': to,
-            'subject': subject,
-            'text': body
-        }
-    )
+    """Sends an email using external SMTP. Logs on failure."""
+    em = EmailMessage()
+    em['Subject'] = subject
+    em['From'] = 'root@tilde.town'
+    em['To'] = to
+    em.set_content(body)
+    try:
+        with SMTP_SSL(port=settings.SMTP_PORT, host=settings.SMTP_HOST) as smtp:
+            smtp.login('root@tilde.town', settings.SMTP_PASSWORD)
+            smtp.send_message(em)
+            smtp.quit()
+    except SMTPException as e:
+        logger.error(f'failed to send email "{subject}" to {to}: {e}')
+        return False
 
-    success = response.status_code == 200
-
-    if not success:
-        logger.error('{}: failed to send email "{}" to {}'.format(
-            response.status_code,
-            subject,
-            to))
-
-    return success
+    return True

ttadmin/settings.py

@@ -6,7 +6,7 @@ To run this For Real, you'll want to:
  * set a different SECRET_KEY
  * change the password for the database or delete the password and use ident
  * change DEBUG to False
- * set mailgun api info
+ * set smtp password
 """
 import os
 
@@ -101,8 +101,9 @@ STATIC_URL = '/static/'
 # Not used during local development, but used in staging+live environments
 STATIC_ROOT = 'static'
 
-MAILGUN_URL = "OVERWRITE THIS"
-MAILGUN_KEY = "OVERWRITE THIS"
+SMTP_PORT=465
+SMTP_HOST="smtp.zoho.com"
+SMTP_PASSWORD="OVERWRITE THIS"
 
 # Mastodon credentials
 MASTO_CLIENT_ID = "OVERWRITE THIS"