Edited wiki page HowToSetupBuildbotForMelange through web user interface.
diff --git a/HowToSetupBuildbotForMelange.wiki b/HowToSetupBuildbotForMelange.wiki
index 915047e..b50aea8 100644
--- a/HowToSetupBuildbotForMelange.wiki
+++ b/HowToSetupBuildbotForMelange.wiki
@@ -74,9 +74,20 @@
   [smtp.gmail.com]:587    USERNAME@gmail.com:PASSWORD
   # USERNAME being the buildbot's email id, and PASSWORD being well, password.
 
+  # Next, run the following commands in your shell.
+  $ sudo chmod 400 /etc/postfix/sasl_passwd
+  $ sudo postmap /etc/postfix/sasl_passwd
+  $ cat /etc/ssl/certs/Thawte_Premium_Server_CA.pem | sudo tee -a /etc/postfix/cacert.pem
+  $ sudo service postfix reload
 
+  # After that try to send an email from the instance.
+  $ printf 'Subject: test\r\n\r\npassed' | sendmail EMAIL@EXAMPLE.COM
 
+  # The email sending should ideally fail, but then go to the logs -
+  $ tail -50 /var/log/mail.log
 
-
-
+  # You'll find that Gmail has sent a URL to authenticate.
+  # Point your browser to this URL, and authenticate.
+  # Next, try sending email again, and you should be good to go.
+  # Hooray!
 }}}
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