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 inbox of the user. Filters work to sort out unwanted spam and malicious content. Besides spammy looking email content, there are some other reasons for the ISPs email blocking or filtering such as too many spam complaints, too many invalid addresses on the list, and technical sending issues. Understanding why ISPs block some emails and how to avoid the problems will help you to improve your email deliverability and increase your email open rate. 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 you can make to improve the chances of deliverability. Here is the list of some leading tools that are used to evaluate the SPAM quotient of an email:
1. Postmark: Postmark is an email spam testing tool. Postmark’s sending infrastructure works to quickly, and accurately deliver the user’s transactional emails to their customers’ inboxes. There is an API available which helps users to score the quality of their outbound emails.
2. SendForensics: SendForensics provides one of the most advanced email deliverability solutions available. It helps users to safe-guard their reputation, boost their revenue, sail into any inbox and test the effects of their campaign before it can affect their sending reputation.
3. Mailtester: MailPoet has developed its own spam score tool called mail-tester which is available for free. Premium users can simply test their spam score while editing any newsletters. The spam score decides the reputation of the user.
4. IsNotSpam: IsNotSpam online spam checker was created to help the user test email and newsletter content, and alert them if it is likely to trigger spam filters. It generates a spam score which tells the reputation of the user who is sending the email.
5. Lyris: Lyris checks the HTML and the content of the user’s email and gives them a score based on where the email will end up. Lyris’s website gives users a quick analysis and then they send an email with more info and links to help users understand email delivery and how they can improve their reputation.