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Build emails with attachments using SMTP, MIME standard (AWS SES Case)

To send an email with AWS SES service, there are two options: Connecting directly to the AWS SMTP server with SMTP protocols. Or call AWS API over HTTPS. The SMTP is easier, but …

Posted by Ghassan Karwchan on Thu, Dec 8, 2016

Token Based Authentication and JWT.

HTTP protocol specified only two standard authentication mechanisms, which are implemented in every browser, the [HTTP basic authentication]({% post_url …

Posted by Ghassan Karwchan on Fri, Apr 29, 2016

Making sense of SSL, RSA, X509 and CSR

This is the second part of learning about SSL/TLS. The first part was how to protect the site with SSL. This part is about explaining more the terms, technologies, protocols, …

Posted by Ghassan Karwchan on Mon, Apr 18, 2016