Alaska Certificate of Service by Certified Mail is a document that is used to prove that a certain document or papers was sent to an individual or entity using a certified mail service. It is used as proof of service in a court of law. There are two types of Alaska Certificate of Service by Certified Mail. The first type is one that is used when a document is sent to a single individual or entity. The second type is used when a document is sent to multiple individuals or entities. The Alaska Certificate of Service by Certified Mail contains information such as the date sent, the address of the person or entity to whom the document was sent, the contents of the envelope, and the signature of the person sending the document. It also includes a statement from the certified mail service confirming that the document was delivered.