> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://alltheleads.crisp.help/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# How do I track which leads have received mail?

The CRM tracks the mail schedule and shows when each piece was sent, but we also send you a seed mailer to your provided address each time a campaign goes out the door. That way you will know when your leads have likely received their letters, making it simple to know when to follow-up!