JavaMail API

Question

                                                      JavaMail

The JavaMail is an API that is used to compose, write and read electronic messages (emails).

The JavaMail API provides protocol-independent and plate form-independent framework for sending and receiving mails.

There are two aspects to which needs to understand, they are Check and Fetch.

• Checking an email in JavaMail is a process where we open the respective folder in the mailbox and get each message. Here we only check the header of each message i.e the From, To, subject. Content is not read.

• Fetching an email in JavaMail is a process where we open the respective folder in the mailbox and get each message. Along with the header we also read the content by recognizing the content-type.

 

There are some protocols that are used in JavaMail API SMTP POP IMAP MIME NNTP and others

JavaMail Architecture

                                        

The java application uses JavaMail API to compose, send and receive emails. The JavaMail API uses SPI (Service Provider Interfaces) that provides the intermediatory services to the java application to deal with the different protocols.

JavaMail API Core Classes

There are two packages that are used in Java Mail API: javax.mail and javax.mail.internet package. These packages contains many classes for Java Mail API. They are:

• javax.mail.Session class

• javax.mail.Message class

• javax.mail.internet.MimeMessage class

• javax.mail.Address class

• javax.mail.internet.InternetAddress class

• javax.mail.Authenticator class

• javax.mail.PasswordAuthentication class

• javax.mail.Transport class

• javax.mail.Store class

• javax.mail.Folder class etc

Go through this video:-