Configuring SSL certificate in Tomcat first time may take lot of time. SSL certificate setup in Tomcat is not straight forward for two reasons: There are different type of SSL certificate files and follow different encodings, depending on the certificate provider There are may differences in configuration steps in different versions of Tomcat I recently configured SSL certificate for one of my website, the certificate was pruchased from SSLS.com for obvious reasons i.e. their rates are very good.  How to get SSL Certificate from SSLs.com Purchased SSL certificate from  www.ssls.com To generate and download SSL certificate, we need to provide CSR (Certificate Signing Request) in SSLs.com account. Enter your website details at  https://www.digicert.com/easy-csr/openssl.htm , it would generate the command.  Enter that command in Linux CLI, it would generate the CSR file and KEY file (its your private key so must be kep confidential). We would later use...

1. Create an account at Mailgun.com , you would get API Key and a sandbox domain for testing. You shall later add your custom domain too. 2. Create a sample project folder and install Composer. mailguntest is out project name, you can change as per your requirement. >mkdir mailguntest >cd mailguntest >curl -sS https://getcomposer.org/installer | php Once Composer is installed, add Mailgun PHP API / library too. >php composer.phar require mailgun/mailgun-php:~1.7.1 I have used version 1.7.1, you can use any. see https://packagist.org/packages/mailgun/mailgun-php for details. 3. In mailguntest folder, create mailer.php file with below contents: Update the code as per your mailgun code settings: <?php require 'vendor/autoload.php'; use Mailgun\Mailgun; $mg = new Mailgun("write your API key here"); $domain = "write-your-sandbox-domain for testing"; $mg->sendMessage($domain, array( 'from' => 'postmaster@write-your-sa...