Implement welcome emails, fixes #107

core/admin/mailu/__init__.py

@@ -42,7 +42,10 @@ default_config = {
     'WEBMAIL': 'none',
     'AUTH_RATELIMIT': '10/minute;1000/hour',
     'RATELIMIT_STORAGE_URL': 'redis://redis',
-    'DISABLE_STATISTICS': 'False'
+    'DISABLE_STATISTICS': 'False',
+    'WELCOME': 'False',
+    'WELCOME_SUBJECT': 'Dummy welcome topic',
+    'WELCOME_BODY': 'Dummy welcome body'
 }
 
 # Load configuration from the environment if available

core/admin/mailu/ui/views/base.py

@@ -3,9 +3,7 @@ from mailu.ui import ui, forms, access
 
 import flask
 import flask_login
-import smtplib
 
-from email.mime import text
 from urllib import parse
 
 
@@ -50,20 +48,13 @@ def services():
 @ui.route('/announcement', methods=['GET', 'POST'])
 @access.global_admin
 def announcement():
-    from_address = '{}@{}'.format(
-        app.config['POSTMASTER'], app.config['DOMAIN'])
     form = forms.AnnouncementForm()
     if form.validate_on_submit():
-        with smtplib.SMTP('smtp', port=10025) as smtp:
-            for recipient in [user.email for user in models.User.query.all()]:
-                msg = text.MIMEText(form.announcement_body.data)
-                msg['Subject'] = form.announcement_subject.data
-                msg['From'] = from_address
-                msg['To'] = recipient
-                smtp.sendmail(from_address, [recipient], msg.as_string())
+        for user in models.User.query.all():
+            user.sendmail(form.announcement_subject.data,
+                form.announcement_body.data)
         # Force-empty the form
         form.announcement_subject.data = ''
         form.announcement_body.data = ''
         flask.flash('Your announcement was sent', 'success')
-    return flask.render_template('announcement.html', form=form,
-        from_address=from_address)
+    return flask.render_template('announcement.html', form=form)

core/admin/mailu/ui/views/users.py

@@ -35,6 +35,7 @@ def user_create(domain_name):
             user.set_password(form.pw.data)
             db.session.add(user)
             db.session.commit()
+            user.send_welcome()
             flask.flash('User %s created' % user)
             return flask.redirect(
                 flask.url_for('.user_list', domain_name=domain.name))

docs/compose/.env

@@ -81,6 +81,12 @@ RECIPIENT_DELIMITER=+
 DMARC_RUA=admin
 DMARC_RUF=admin
 
+# Weclome email, enable and set a topic and body if you wish to send welcome
+# emails to all users.
+WELCOME=false
+WELCOME_SUBJECT=Welcome to your new email account
+WELCOME_BODY=Welcome to your new email account, if you can read this, then it is configured properly!
+
 ###################################
 # Web settings
 ###################################