Has everyone you send email to, given you permission?
According to several studies, 30% of recipients click the spam button for marketing emails…even if they specifically requested you to send email content from the sender!
All Internet Service Providers (ISPs) have different thresholds for spam complaints, but a .01% spam complaint rate can easily get you blacklisted. ISPs like AOL, Gmail, Yahoo, Hotmail, and others, will no longer accept and deliver your marketing emails, meaning you will not be able to send to subscribers at those ISPs. Because your sender reputation is attached to your IP address, it is incredibly difficult to get removed from a blacklist without changing Email Service Providers and setting up new IP addresses. Rather than obsess about what to do if you get blacklisted, be on the offensive by implementing email list maintenance best practices. Read more