Email Marketing is one of the most popular forms of driving traffic and connecting with your user base. Unfortunately, many emails that are created for this purpose are flagged by email clients as SPAM and do not get the the inbox of the user. There are many tools, that evaluates the HTML, content and subject of an email to figure out it will make it to the inbox or get flagged as SPAM. The tools suggest modifications your can make to improve the chances of deliverability. Analyzo has listed the leading tools that are used to evaluate the SPAM quotient of an email.