A communication apparatus and a communication method capable of selecting desired sender-information in a short time from multiple of registered sender-information are presented. Sender-default information of the communication apparatus is stored in a default information table of the memory section, and sender-information including password is stored in sender-information table. The apparatus collates the sender-information stored in the sender-information table by an input password, selects sender-information matched in password, and attaches the sender-information to a transmitted data.