Canada Post is the biggest mail and delivery company in Canada. It consists of many services like Registered Mail, Xpresspost, Personalized Mail, Mail Forwarding, etc. It also offers a unique service i.e, Canada Post Lettermail that is used to send your letters, invoices, personal messages, billing statements, etc. If you want to send these types of documents within Canada then this service will suit you best. Canada Post Lettermail is fast and the cheapest service…