diff --git a/progit/notify.py b/progit/notify.py
new file mode 100644
index 0000000..d64fd17
--- /dev/null
+++ b/progit/notify.py
@@ -0,0 +1,77 @@
+#-*- coding: utf-8 -*-
+
+"""
+ (c) 2014 - Copyright Red Hat Inc
+
+ Authors:
+   Pierre-Yves Chibon <pingou@pingoured.fr>
+
+progit notifications.
+"""
+
+import smtplib
+
+import progit
+
+from email.mime.text import MIMEText
+
+
+def send_email(text, subject, to_mail, from_mail=None):
+    ''' Send an email with the specified information.
+
+    :arg text: the content of the email to send
+    :arg subject: the subject of the email
+    :arg to_mail: a string representing a list of recipient separated by a
+        coma
+    :kwarg from_mail: the email address the email is sent from.
+        Defaults to nobody@progit
+
+    '''
+    msg = MIMEText(text.encode('utf-8'), 'plain', 'utf-8')
+    msg['Subject'] = '[Progit] %s' % subject
+    if not from_mail:
+        from_email = 'progit@fedoraproject.org'
+    msg['From'] = from_email
+    msg['To'] = to_mail.replace(',', ', ')
+
+    # Send the message via our own SMTP server, but don't include the
+    # envelope header.
+    smtp = smtplib.SMTP(progit.APP.config['SMTP_SERVER'])
+    smtp.sendmail(
+        from_email,
+        to_mail.split(','),
+        msg.as_string())
+    smtp.quit()
+    return msg
+
+
+def notify_new_comment(comment):
+    ''' Notify the people following an issue that a new comment was added
+    to the issue.
+    '''
+    text = """
+%s added a new comment has been added to an issue you are following.
+
+New comment:
+
+``
+%s
+``
+
+%s
+""" % (
+    comment.user.user,
+    comment.comment,
+    '%s/%s/issue/%s' % (
+        progit.APP.config['APP_URL'],
+        comment.issue.project.name,
+        comment.issue.id,
+    ),
+    )
+    mail_to = set([cmt.user.emails[0].email for cmt in comment.issue.comments])
+    mail_to.add(comment.issue.project.user.emails[0].email)
+    send_email(
+        text,
+        'Update to issue `%s`' % comment.issue.title,
+        ','.join(mail_to)
+    )