Search results
May 31, 2013 · Please resolve conflict between mail.jar and mailapi.jar by: Removing mailapi.jar (if it is there in the classpath). OR just keep one pair of mailapi.jar and smtp.jar in the classpath and remove mail.jar. OR just keep one pair of mail.jar and activation.jar in the classpath (clean approach).
- Error 2: A1 Bad Invalid SASL Argument🔗
- Error 3: Using Authenticator Just to Supply Username and Password 🔗
- Error 4: You May Get Empty Multipart Error While Sending Attachment 🔗
This error mainly occurs when you try to configure an SSL connection with an SMTP host in the wrong way. Previously Java Mail API (up to JavaMail 1.3) did not have built-in support for SSL connection and it was necessary to set socketFactory properties: From the later version of Java Mail API (greater than 1.3). The easiest way to enable SSL suppor...
This can occur due to incorrect imports or issues in handling javax.mail.authenticator. While using an authenticator can be a valid approach, it might introduce complexity and make debugging more challenging. To simplify and avoid potential errors, you can opt for alternative methods: When connecting to a Store (e.g., for receiving emails), you can...
This error may occur when you are not embedding attachment in a defined way. A simple solution to this is to make sure to add MIMEBODYPART class object into the Multipart class object using addBodyPart(multipart) method Here is a code snippet: Sending an attachment as described above may result in your email not being delivered, owing to the securi...
Aug 3, 2022 · JavaMail API supports both TLS and SSL authentication for sending emails. Today we will learn how to use JavaMail API to send emails using SMTP server with no authentication, TLS and SSL authentication and how to send attachments and attach and use images in the email body.
Based on this situation, point out three possible causes for the problem. I gave my shot as follows: 1 - There's a firewall between the application server (192.168.5.5) subnet and the internal mail server (192.168.7.1) blocking port 25. 2 - The DNS entry for "mx.intranet" is incorrectly configured in the internal DNS server.
Jan 9, 2024 · Popular providers include Gmail, Outlook, and your organization’s SMTP server. Ensure that you have the correct server address, port, and authentication details. In this article, we will be using the Gmail SMTP server. properties.put("mail.smtp.host", "smtp.gmail.com"); properties.put("mail.smtp.port", "587"); 4.2 Authentication
Jul 22, 2021 · While the JavaMail API specification does not mandate support for specific protocols, JavaMail typically includes support for POP3, IMAP, and SMTP. How does Email Work? Prerequisite: Have access to an SMTP server. You must know the hostname, port number, and security settings for your SMTP server.
People also ask
Why do I get SMTP email sending errors in Java?
Does JavaMail API support TLS and SSL authentication?
What is JavaMail API?
Why can't I connect to the SMTP server?
Why is my server not using SMTP AUTH?
Why is JavaMail not able to find a configuration file?
Mar 12, 2020 · To check TLS run openssl s_client -connect outgoingHost:587 -starttls smtp. No, the mail server belongs to a client. openssl is able to connect to the server, as well I am able to connect from Thunderbird email client using same settings (host/port/tls). When you use SSL (smtps), you don't use STARTTLS (msa) and vice versa.
