BCC/CC support about mailmerge

[awdeorio]

It looks like this will require parsing the CC and BCC fields and adding those addresses to the send_email() function call.

https://www.blog.pythonlibrary.org/2013/06/26/python-102-how-to-send-an-email-using-smtplib-email/

[rupertlevene]

This seems to work for me. It's untested in python 3 but hopefully works there too.

--- api.py	2017-07-13 17:01:50.000000000 +0100
+++ /Users/rupert/code/mailmerge/mailmerge/api.py	2017-07-15 11:08:07.000000000 +0100
@@ -11,6 +11,7 @@
 import sys
 import smtplib
 import email.parser
+import email.utils
 import configparser
 import getpass
 import csv
@@ -23,6 +24,22 @@
 CONFIG_FILENAME_DEFAULT = "mailmerge_server.conf"
 
 
+def parsemail(text):
+    """Parse message headers, then remove BCC header."""
+    message = email.parser.Parser().parsestr(text)
+    addrs = email.utils.getaddresses(message.get_all("to", [])) + \
+            email.utils.getaddresses(message.get_all("cc", [])) + \
+            email.utils.getaddresses(message.get_all("bcc", []))
+    recipients = [x[1] for x in addrs]
+    message.__delitem__("bcc")
+
+    for recipient in recipients:
+        print("RCPT TO:<" + recipient + ">")
+    print(message.as_string())
+
+    return (message,recipients)
+
+
 def sendmail(text, config_filename):
     """Send email message using Python SMTP library."""
     # Read config file from disk to get SMTP server host, port, username
@@ -46,8 +63,7 @@
                                                       sendmail.host)
         sendmail.password = getpass.getpass(prompt)
 
-    # Parse message headers
-    message = email.parser.Parser().parsestr(text)
+    (message,recipients)=parsemail(text)
 
     # Connect to SMTP server
     if sendmail.security == "SSL/TLS":
@@ -69,12 +85,12 @@
     # Send message
     try:
         # Python 3.x
-        smtp.send_message(message)
+        smtp.send_message(message, recipients)
     except AttributeError:
         # Python 2.7.x
         smtp.sendmail(
             message["from"],
-            message["to"],
+            recipients,
             message.as_string(),
             )
     smtp.close()
@@ -200,10 +216,10 @@
 
             # Fill in template fields using fields from row of CSV file
             message = template.render(**row)
-            print(message)
 
             # Send message
             if dry_run:
+                parsemail(message)
                 print(">>> sent message {} DRY RUN".format(i))
             else:
                 sendmail(message, config_filename)

[awdeorio]

Thanks for the patch! I'll integrate and test this soon.