diff --git a/README.md b/README.md
index 5e21155..fce9d97 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ send it via smtp.
 
 ## Installation
 
-    pip install nb2mail
+    pip install git+https://github.com/Thessal/nb2mail.git
 
 ## Usage
 
@@ -15,6 +15,8 @@ send it via smtp.
 ("mail") and postprocessor ("SendMailPostProcessor"). Please see the nbconvert
 documentation and example configuration for more information.
 
+NOTE: BOTH sender and recipient email identities have to be verified to use AWS SES SMTP
+
 ## Example
 
 To generate a mail and send it later with another process (eg `sendmail`):
@@ -25,7 +27,9 @@ To generate a mail and send it later with another process (eg `sendmail`):
 To convert and send a mail via gmail, you can set the environment
 variables and declare a postprocessor with `--post`:
 
-    export TO=example@example.ex GMAIL_USER=user GMAIL_PASS="*****"
+    export FROM=sender@domain.abc TO=receipent@domain.def
+    export SMTP_ADDR=email-smtp.region.amazonaws.com SMTP_PORT=587
+    export SMTP_USER=aws_ses_smtp_auth SMTP_PASS=`echo $SMTP_HASH | base64 -d` 
     jupyter nbconvert --to mail --post=nb2mail.SendMailPostProcessor notebook.ipynb
 
 Alternatively, you can configure the SMTP settings in a config file `config.py`:
diff --git a/nb2mail/__init__.py b/nb2mail/__init__.py
index 61a8807..7a3a513 100644
--- a/nb2mail/__init__.py
+++ b/nb2mail/__init__.py
@@ -154,12 +154,14 @@ def from_notebook_node(self, nb, resources=None, **kw):
 
 class SendMailPostProcessor(PostProcessorBase):
 
+    sender = Unicode(os.getenv("FROM", ''), help="Sender address").tag(config=True)
     recipient = Unicode(os.getenv("TO", ''), help="Recipient address").tag(config=True)
-    smtp_user = Unicode(os.getenv("GMAIL_USER", ''), help="SMTP User" ).tag(config=True)
-    smtp_pass = Unicode(os.getenv("GMAIL_PASS", ''), help="SMTP pass" ).tag(config=True)
-    smtp_addr = Unicode("smtp.gmail.com", help="SMTP addr" ).tag(config=True)
-    smtp_port = Int(587, help="SMTP port" ).tag(config=True)
-
+    smtp_user = Unicode(os.getenv("SMTP_USER", ''), help="SMTP User" ).tag(config=True)
+    smtp_pass = Unicode(os.getenv("SMTP_PASS", ''), help="SMTP pass" ).tag(config=True)
+    smtp_addr = Unicode(os.getenv("SMTP_ADDR", ''), help="SMTP addr" ).tag(config=True)
+    smtp_port = Int(os.getenv("SMTP_PORT", '587'), help="SMTP port" ).tag(config=True)
+    smtp_port = smtp_port.default_value
+    
     def postprocess(self, input):
         " Heavily borrowed from https://www.mkyong.com/python/how-do-send-email-in-python-via-smtplib/ "
         smtpserver = smtplib.SMTP(self.smtp_addr,self.smtp_port)
@@ -180,6 +182,6 @@ def postprocess(self, input):
             # Set To header from config
             email['To'] = self.recipient
 
-        smtpserver.sendmail(self.smtp_user, self.recipient.split(','), email.as_string())
+        smtpserver.sendmail(self.sender, self.recipient.split(','), email.as_string())
 
         smtpserver.close()