diff --git a/EmailClient.py b/EmailClient.py
index bf32785..ecc9e6e 100644
--- a/EmailClient.py
+++ b/EmailClient.py
@@ -63,7 +63,8 @@ class EmailClient(object):  # pylint: disable=useless-object-inheritance,too-man
             self.encoding = encoding
 
     def forge_message(self, rcpt_to, subject=None, html_body=None, text_body=None, attachment_files=None,
-                      sender_name=None, sender_email=None, encoding=None, template=None, **template_vars):  # pylint: disable=too-many-arguments,too-many-locals
+                      attachment_payloads=None, sender_name=None, sender_email=None, encoding=None,
+                      template=None, **template_vars):  # pylint: disable=too-many-arguments,too-many-locals
         """
         Forge a message
 
@@ -72,6 +73,7 @@ class EmailClient(object):  # pylint: disable=useless-object-inheritance,too-man
         :param html_body:           The HTML body of the email
         :param text_body:           The plain text body of the email
         :param attachment_files:    List of filepaths to attach
+        :param attachment_payloads: List of tuples with filename and payload to attach
         :param sender_name:         Custom sender name (default: as defined on initialization)
         :param sender_email:        Custom sender email (default: as defined on initialization)
         :param encoding:            Email content encoding (default: as defined on initialization)
@@ -122,6 +124,13 @@ class EmailClient(object):  # pylint: disable=useless-object-inheritance,too-man
                     encode_base64(part)
                     part.add_header('Content-Disposition', 'attachment; filename="%s"' % os.path.basename(filepath))
                     msg.attach(part)
+        if attachment_payloads:
+            for filename, payload in attachment_payloads:
+                part = MIMEBase('application', "octet-stream")
+                part.set_payload(payload)
+                encode_base64(part)
+                part.add_header('Content-Disposition', 'attachment; filename="%s"' % filename)
+                msg.attach(part)
         return msg
 
     def send(self, rcpt_to, msg=None, subject=None, just_try=False, **forge_args):