MailPoet has developed its own spam score tool called mail-tester which is available for free. Users can simply test their spam score while editing any newsletters. The spam score decides the reputation of the user.
MailTester.com allows you to verify if an e-mail address is valid or not.This can help you keep your contacts database up to date.MailTester performs a series of tests (DNS lookups, SMTP checks) on an e-mail address to determineEmail Spam Testing Tools Mail Tester
The Spam Score is a number assigned to each email by applying a set of rules and it is filtered by the spam firewall. The score is established based on a number of spam filtering tests performed on each email. The higher the SpamEmail Spam Testing Tools