Show all recipients in sent-to message

frappe/core/doctype/communication/communication.py

@@ -254,7 +254,10 @@ def make(doctype=None, name=None, content=None, subject=None, sent_or_received =
 		recipients = comm.get_recipients()
 		comm.send(print_html, print_format, attachments, send_me_a_copy=send_me_a_copy, recipients=recipients)
 
-	return ", ".join(recipients) if recipients else None
+	return {
+		"name": comm.name,
+		"recipients": ", ".join(recipients) if recipients else None
+	}
 
 @frappe.whitelist()
 def get_convert_to():

frappe/email/doctype/email_account/test_email_account.py

@@ -90,7 +90,7 @@ class TestEmailAccount(unittest.TestCase):
 		# send
 		sent_name = make(subject = "Test", content="test content",
 			recipients="test_receiver@example.com", sender="test@example.com",
-			send_email=True)
+			send_email=True)["name"]
 
 		sent_mail = email.message_from_string(frappe.get_last_doc("Bulk Email").message)
 		with open(os.path.join(os.path.dirname(__file__), "test_mails", "reply-1.raw"), "r") as f:

frappe/public/js/frappe/views/communication.js

@@ -328,7 +328,7 @@ frappe.views.CommunicationComposer = Class.extend({
 			callback: function(r) {
 				if(!r.exc) {
 					if(form_values.send_email)
-						msgprint(__("Email sent to {0}", [r.message]));
+						msgprint(__("Email sent to {0}", [r.message["recipients"]]));
 					me.dialog.hide();
 
 					if (cur_frm) {