For most of the companies that send mass e-mails to their clients, delivering e-mails to inbox folder is a painful process. As spammers always develop new techniques to bypass spam filters, the spam filters update their methods and criterias frequently to deny them or place their e-mails into junk folder. In this article, I am going to try to explain what steps you should take to bypass these filters and get your e-mails to be delivered to your clients' inboxes
