blocked, but your entire IP address might be blacklisted. This means that you will never be able to send ANY message to this address again, unless you contact the hostmaster who blacklisted you and beg for forgiveness.
Tools like Listrak, Campaigner, and ExacTarget solve these problems and elegantly handle lists with thousands of names. These services all charge a monthly fee. PHPList and OpenEMM are powerful OpenSource solutions, but require you to provide your own tech support.
The biggest advantage of these tools: they track the e-mails you send. Who opens it, who deletes it, who sends it to a friend, when, and where. You’ll need this data to do follow up, segment your lists, and to tweak your campaign.
MISTAKE #4: – Websites are not doing follow-up for you.
When a user clicks on your perfectly