![]() ![]() So, this means I didn’t have the luxury of using automatic configuration that comes in majority of email clients to simply connect to Office365. I hope you’ve found this article helpful.The first problem encountered in my situation was that we don’t currently use Office365 like probably majority of current people does for hosting their Exchange accounts, we currently use an on premises Exchange server and a very old version of it. And here’s how the email looks like in GMail: Those are common code examples for sending emails in a Spring Boot application. nd(message) Note that you must specify cid value for the image tag, where a picture will be embedded to. ![]() String content = "Dear guru,Please look at this nice picture."įileSystemResource resource = new FileSystemResource(new File("picture.png")) ![]() Code Example for Sending Email with Inline ImagesYou can also inline a picture right inside the email content, as shown in the following code example: String from = to = message = mailSender.createMimeMessage() Below is how the email looks like in GMail:ħ. nd(message) As you can see, the code reads a PDF file from file system and attach it into the outgoing email. Helper.addAttachment("FreelanceSuccess.pdf", file) tText("Dear friend,Please find the book attached.", true) įileSystemResource file = new FileSystemResource(new File("Book.pdf")) MimeMessageHelper helper = new MimeMessageHelper(message, true) Code Example for Sending Email with AttachmentIt’s also simple to send an HTML with an attachment, as shown in the code example below: String from = to = message = mailSender.createMimeMessage() And below is how the email looks like in GMail: 6. nd(message) You see, you can embed HTML tags directly into the body text of the email message. tText("Hey guys,Welcome to my new home", html) MimeMessageHelper helper = new MimeMessageHelper(message) Code Example for Sending HTML EmailAnd the following code example shows you how to send an email in HTML format: String from = to = message = mailSender.createMimeMessage() And this is how the email looks like in GMail: 5. The send() method may throw MailException which is a runtime exception in case of error – so you can decide to catch this exception or not. nd(message) You see, the code is simple and self-explanatory. tText("Hello guys! This is a plain text email.") Code Example for Sending Simple Email (Plain Text)The code snippet below demonstrates how to send a plain text email: String from = to = message = new SimpleMailMessage() tJavaMailProperties(properties) So you can see, in a Spring Boot application, you just need to declare the mail properties and then you’re ready to use the JavaMailSender. Properties properties = new Properties() in a JUnit test), you must create a new instance of JavaMailSenderImpl – the default implementation of JavaMailSender like this: JavaMailSenderImpl mailSender = new JavaMailSenderImpl() Or in any Spring-managed component as follows: class BusinessComponent JavaMailSender mailSender }Also in a business/service class: class BusinessService JavaMailSender mailSender ![]() After configuring mail properties in the application.properties file, you can tell Spring framework to inject the default implementation of JavaMailSender into a Spring MVC controller class like this: class AppController JavaMailSender mailSender Configure a JavaMailSenderSpring Mail provides JavaMailSender which is the key interface that defines common methods for sending emails. In case you use GMail, you must enable SMTP in your GMail account settings and generate an access password (not your email password) for better security. Of course you can use settings of your own SMTP server. =trueThis is the configuration for using GMail’s SMTP server with connection encrypted (using TLS). Configure Mail PropertiesIn order to send email from your application, you need to configure SMTP server settings in the Spring Boot application configuration file ( application.properties) as follows: = So declare the following dependency in the Maven project file: Declare Dependency for Spring Boot MailSpring Boot Starter Mail is a thin wrapper around Jakarta Mail (the new name of JavaMail), which makes it easier to integrate emailing functionality into Spring-based applications. Then you will be able to implement email sending functions in Java applications based on Spring framework, such as sending user registration verification email, sending One-Time Password (OTP) email, sending order confirmation email, etc. In this tutorial, I would like to share with you some code examples for sending emails in a Spring Boot application, from sending a plain text email to an HTML email with inline images. ![]()
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