Adapt to Jakarta Activation and Jakarta Mail upgrades (#272)

pom.xml

@@ -1,3 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
@@ -36,6 +37,18 @@
         <scope>import</scope>
         <type>pom</type>
       </dependency>
+      <!-- TODO Remove once in BOM -->
+      <dependency>
+        <groupId>io.jenkins.plugins</groupId>
+        <artifactId>jakarta-activation-api</artifactId>
+        <version>2.1.3-1</version>
+      </dependency>
+      <!-- TODO Remove once in BOM -->
+      <dependency>
+        <groupId>io.jenkins.plugins</groupId>
+        <artifactId>jakarta-mail-api</artifactId>
+        <version>2.1.3-1</version>
+      </dependency>
     </dependencies>
   </dependencyManagement>
 
@@ -53,18 +66,6 @@
       <groupId>org.jenkins-ci.modules</groupId>
       <artifactId>instance-identity</artifactId>
     </dependency>
-    <!--
-      This must come before jakarta-mail-api in the class path in order to avoid eclipse-ee4j/mail#350.
-    -->
-    <dependency>
-      <groupId>org.jvnet.mock-javamail</groupId>
-      <artifactId>mock-javamail</artifactId>
-      <version>2.1</version>
-      <scope>test</scope>
-    </dependency>
-    <!--
-      This must come after mock-javamail in the class path in order to avoid eclipse-ee4j/mail#350.
-    -->
     <dependency>
       <groupId>io.jenkins.plugins</groupId>
       <artifactId>jakarta-mail-api</artifactId>
@@ -84,12 +85,6 @@
       <groupId>org.jenkins-ci.plugins.workflow</groupId>
       <artifactId>workflow-basic-steps</artifactId>
       <scope>test</scope>
-      <exclusions>
-        <exclusion> <!-- Not even sure how this was possible to begin with? -->
-          <groupId>org.jenkins-ci.plugins</groupId>
-          <artifactId>mailer</artifactId>
-        </exclusion>
-      </exclusions>
     </dependency>
     <dependency>
       <groupId>org.jenkins-ci.plugins.workflow</groupId>
@@ -116,6 +111,34 @@
       <artifactId>script-security</artifactId>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>org.jvnet.mock-javamail</groupId>
+      <artifactId>mock-javamail</artifactId>
+      <version>2.2</version>
+      <scope>test</scope>
+      <exclusions>
+        <!-- Provided by jakarta-activation-api plugin -->
+        <exclusion>
+          <groupId>jakarta.activation</groupId>
+          <artifactId>jakarta.activation-api</artifactId>
+        </exclusion>
+        <!-- Provided by jakarta-mail-api plugin -->
+        <exclusion>
+          <groupId>jakarta.mail</groupId>
+          <artifactId>jakarta.mail-api</artifactId>
+        </exclusion>
+        <!-- Provided by jakarta-activation-api plugin -->
+        <exclusion>
+          <groupId>org.eclipse.angus</groupId>
+          <artifactId>angus-activation</artifactId>
+        </exclusion>
+        <!-- Provided by jakarta-mail-api plugin -->
+        <exclusion>
+          <groupId>org.eclipse.angus</groupId>
+          <artifactId>angus-mail</artifactId>
+        </exclusion>
+      </exclusions>
+    </dependency>
     <!-- JCasC compatibility -->
     <dependency>
       <groupId>io.jenkins</groupId>
@@ -146,4 +169,20 @@
       <url>https://repo.jenkins-ci.org/public/</url>
     </pluginRepository>
   </pluginRepositories>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-surefire-plugin</artifactId>
+        <configuration>
+          <systemPropertyVariables>
+            <mail.smtp.class>org.jvnet.mock_javamail.MockTransport</mail.smtp.class>
+            <mail.pop3.class>org.jvnet.mock_javamail.MockStore</mail.pop3.class>
+            <mail.imap.class>org.jvnet.mock_javamail.MockStore</mail.imap.class>
+          </systemPropertyVariables>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
 </project>