Read emails from Exchange Server using Java

connect-exchange-server-ews.java

// Create an instance of IEWSClient class to connect to Exchange Server
IEWSClient client = EWSClient.getEWSClient("https://exchange.domain.com/ews/Exchange.asmx/", "user", "password", "");

connect-exchange-server-imap.java

// Connect to Exchange Server using ImapClient class
ImapClient imapClient = new ImapClient("imap.gmail.com", 993, "username", "password");

read-email-ews.java

// Create instance of ExchangeWebServiceClient class by giving credentials
IEWSClient client = EWSClient.getEWSClient("https://outlook.office365.com/ews/exchange.asmx", "testUser", "pwd", "domain");

// Call ListMessages method to list messages info from Inbox
ExchangeMessageInfoCollection msgCollection = client.listMessages(client.getMailboxInfo().getInboxUri());

// Loop through the collection to get Message URI
for (ExchangeMessageInfo msgInfo : msgCollection) {
	String strMessageURI = msgInfo.getUniqueUri();

	// Now get the message details using FetchMessage()
	MailMessage msg = client.fetchMessage(strMessageURI);

	// Display message details
	System.out.println("Subject: " + msg.getSubject());
	//Console.WriteLine("HTML Body: " + msg.HtmlBody);

	// How many attachments
	System.out.println("Number of attachments: " + msg.getAttachments().size());

	// List the attachments
	for (Attachment att : msg.getAttachments()) {
		System.out.println("Attachment Name: " + att.getName());
	}
}

read-email-imap.java

// Connect to Exchange Server using ImapClient class
ImapClient imapClient = new ImapClient("imap.gmail.com", 993, "username", "password");

// Select the Inbox folder
imapClient.selectFolder(ImapFolderInfo.IN_BOX);

// Get the list of messages
ImapMessageInfoCollection msgCollection = imapClient.listMessages();
for (ImapMessageInfo msgInfo : msgCollection) {
	System.out.println(msgInfo.getSubject());
}