You need to download the JavaMail API, and put the relevant jar files in your classpath.

急！！！在线等--> 软件包javax.mail 不存在问题[java]-CSDN论坛

https://bbs.csdn.net/topics/360019564

2011年1月20日 ... 本教程将帮助您掌握使用本地Java库通过SMTP通过Java应用程序发送电子邮件的 过程。尽管它很简单，但Jakarta Mail（以前称为JavaMail）使您 ...

package javax.mail and javax.mail.internet do not exist - Stack ...

https://stackoverflow.com/questions/6606529/package-javax-mail-and-javax-mail-internet-do-not-exist

12 Answers · Extract the mail. · Right click the project node (JavaMail), click Properties to change properties of the project · Now go to Libraries Tab ...

IntelliJ IDEA 出现" java: 程序包javax.servlet不存在、 java: 程序包 ...

https://blog.csdn.net/wust_lh/article/details/73469789

2017年6月19日 ... 在IDEA中建立Servlet使用javax.servlet.http.HttpServlet等类时，出现了如下错误： 原因：IntelliJ IDEA 没有导入servlet-api.jar 这个.jar包，需要 ...

IntelliJ IDEA 出现" java: 程序包javax.servlet不存在、 java: 程序包 ...

https://www.cnblogs.com/Yimi/p/11978315.html

2019年12月3日 ... 在IDEA中建立Servlet使用javax.servlet.http.HttpServlet等类时，出现了如下错误： 原因：IntelliJ IDEA 没有导入servlet-api.jar 这个.

Package Javax.Mail does not exist — oracle-tech

https://community.oracle.com/tech/developers/discussion/1590368/package-javax-mail-does-not-exist

Jul 17, 2008 ... ... and Settings\DCosta\Netbeans\6.0\workspace\DPSLib\src\com\agois\dps\util\ SMTPAuthenticator.java:8: package javax.mail does not exist

Error:(15,36) java: 程序包javax.validation.constraints不存在_一个长 ...

https://blog.csdn.net/qq_43012792/article/details/108919426

2020年10月4日 ... 直接看报错（今天在使用人人开源的renren-fast后台项目时，报这个错误了）： 错误原因：SpringBoot 新版本没有自动导入validation 程序包解决 ...

【Maven问题】 错误: 程序包xxx 不存在- 简书

https://www.jianshu.com/p/5ce832ede830

2018年7月2日 ... 首先，大概猜下为啥这个包不存在我们是在编译java文件的时候需要依赖这个包中 的class，也就是 mvn compile 调用的编译程序的classpath中 ...

package javax.mail does not exist at line

https://network.informatica.com/thread/88168

Sep 18, 2019 ... An error occurred during compilation: Java transformation [Java] compilation failed with the following error(s): package javax.mail does not exist ...

Solved: package javax.mail.internet does not exist - Adobe ...

https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/package-javax-mail-internet-does-not-exist/qaq-p/325049

Solved: I have imported the below package in my sling servlet but getting below ... package javax.mail.internet does not exist ... MessagingException not found.

java - Finding JAVAX.Mail Jar - Ask Ubuntu

https://askubuntu.com/questions/1223840/finding-javax-mail-jar

eMail.java:7: error: package javax.mail does not exist ... As far as I know the mail library has always been an external ... If you developed on Windows first you have to take into account what Build Paths your project had in there. ... by your projects are(Just IMHO, don't take this as a personal attack please ;)).

[SOLVED] package Flags does not exist - JavaMail

https://www.linuxquestions.org/questions/linux-software-2/package-flags-does-not-exist-javamail-4175437778/

msgshow.java:36: package javax.mail.internet does not exist import javax.mail. internet.*; ^ msgshow.java:241: cannot find symbol symbol ...

package javax.mail does not exist| JBoss.org Content Archive (Read ...

https://developer.jboss.org/thread/57803

package javax.mail does not exist error. However, if I list the class loader resources with the following code: java.util.Enumeration resources ...

Package Javax.mail.* does not exists | SAP Community

https://answers.sap.com/questions/10936286/package-javaxmail-does-not-exists.html

May 26, 2014 ... Hi All, I am trying to create an UDF and getting the following error. Package javax. mail.* does not exists. I am using PO 7.4 its a java only ...

Where do I put javax.mail.jar and activation.jar? (OSX ...

https://www.reddit.com/r/learnprogramming/comments/9d1dqu/where_do_i_put_javaxmailjar_and_activationjar_osx/

* does not exist" and "package javax.activation.*" does not exist. Things that I have tried: - In intelliJ under File --> Project Structure --> Libraries I tried ...

Although activation.jar,mail.jar are in the same folder I get in compile ...

https://coderanch.com/t/505726/java/activation-jar-mail-jar-folder

Aug 6, 2010 ... SMTPApplet.java: 2 : package javax.mail does not exist. import javax.mail.*;. ^. SMTPApplet.java: 3 : package javax.mail.internet does not exist.