Before I send out an email campaign with MailChimp, it lets me test whether my emails will be caught by spam filters of the various major ISPs. If I were to inc

Before I send out an email campaign with MailChimp, it lets me test whether my emails will be caught by spam filters of the various major ISPs. If I were to include any of the earlier listed keywords in the subject line, I can be sure that those emails wouldn't arrive in all of my recipients' mailboxes. That's why I refrain from using those, even though I only send out commercial emails that cusatomers have signed up for themselves.