Once you have created a mail campaign, you can always go back an edit it to get better results. Click this link to know more about Campaigns.
Step 1. Click Mailers.
Step 2. Click Campaigns.
Step 3. Click the campaign you want to edit.
Step 4. Edit any steps or add new steps.
Step 5. Save the campaign.
Hope this helped! If you have more questions, please reach out to our Customer Support Team using the Help & Support option in your account.
They're available every day including weekends from 9am - 9pm EST.